WO2023204480A1 - Multi-unit tooth implant - Google Patents

Multi-unit tooth implant Download PDF

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Publication number
WO2023204480A1
WO2023204480A1 PCT/KR2023/004387 KR2023004387W WO2023204480A1 WO 2023204480 A1 WO2023204480 A1 WO 2023204480A1 KR 2023004387 W KR2023004387 W KR 2023004387W WO 2023204480 A1 WO2023204480 A1 WO 2023204480A1
Authority
WO
WIPO (PCT)
Prior art keywords
abutment
holder
screw
coupled
dental implant
Prior art date
Application number
PCT/KR2023/004387
Other languages
French (fr)
Korean (ko)
Inventor
정충현
정열
정인화
Original Assignee
정충현
정열
정인화
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 정충현, 정열, 정인화 filed Critical 정충현
Publication of WO2023204480A1 publication Critical patent/WO2023204480A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0093—Features of implants not otherwise provided for
    • A61C8/0095—Total denture implant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/10—Fastening of artificial teeth to denture palates or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/10—Fastening of artificial teeth to denture palates or the like
    • A61C13/102—Fastening of artificial teeth to denture palates or the like to be fixed to a frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/225—Fastening prostheses in the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/2255—Frames for partial dentures; Lingual bars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/267—Clasp fastening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/70—Tooth crowns; Making thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0027—Frames
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0066—Connecting devices for joining an upper structure with an implant member, e.g. spacers with positioning means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw

Definitions

  • the present invention relates to dental implants, and more specifically, to implanting a plurality of fixtures in the alveolar bone of an edentulous patient and attaching a lower abutment and an upper abutment to each of the plurality of fixtures. It relates to a multi-unit dental implant that can be performed by combining a prosthesis with an upper abutment using a frame made of titanium.
  • Dentures refer to prosthetics with artificial teeth. Dentures can be divided into partial dentures and full dentures. Partial dentures are applied when some natural teeth are missing, and full dentures are applied when there are no natural teeth remaining in the upper or lower jaw. Apply dentures.
  • the present invention is intended to solve the above problems, and the purpose of the present invention is to provide a multi-unit dental implant that can prevent food entrapment that occurs in existing dentures and that can be performed easily and accurately.
  • the multi-unit dental implant according to the present invention for achieving the above object is installed and fixed in the alveolar bone, a coupling groove is formed concavely at the upper end, and a female thread groove formed on the inner peripheral surface of the lower end of the coupling groove communicates.
  • a plurality of fixtures are formed; A plurality of lower abutments, the lower part of which is inserted and coupled into the coupling groove of each of the plurality of fixtures, the upper surface of which is flat, and the lower screw hole is formed coaxially with the female screw groove to penetrate in the vertical direction ( lower abutment); A plurality of upper abutments, the lower surface of which is a plane parallel to the upper surface of each of the plurality of lower abutments, is seated on the upper surface of the lower abutment, and the upper screw hole is formed to penetrate in the vertical direction.
  • a connecting screw that passes through the upper screw hole of the upper abutment and the lower screw hole of the lower abutment and is spirally coupled to the female thread groove of the fixture, thereby coupling the fixture, the lower abutment, and the upper abutment to each other;
  • Crown multi-crown
  • the abutment holder of the frame structure has a long track or oval-shaped cavity in the front-to-back direction, and two of them are placed at the posterior teeth on both sides of the human oral cavity and include a plurality of upper abutments installed in the alveolar bone of the posterior teeth. It can be simultaneously accommodated and combined with the posterior portion of the multi-crown.
  • the frame structure is in the form of a forward convex arch, and both ends are coupled to the front ends of two abutment holders, and an anterior teeth holder (Anterior teeth Holder) is coupled to a portion of the multi-crown corresponding to the anterior teeth of the human oral cavity. ) may further be included.
  • the frame structure further includes an anterior abutment holder in the shape of ' ⁇ ' that is coupled to the anterior prosthesis holder and accommodates and fixes an upper abutment coupled to a fixture installed in the alveolar bone corresponding to the anterior teeth of the oral cavity. can do.
  • the multi-unit dental implant of the present invention has two abutment holders installed in a horizontal state according to the shape of the patient's mouth before injecting the resin for holder bonding into the cavity of the two abutment holders. It may further include a horizontal adjustment unit connecting the abutment holder.
  • the horizontal adjustment unit includes two level control bars formed with long hole-shaped screw fastening slits along the longitudinal direction and connecting the front and rear ends of the two abutment holders while crossing them in an 'X' shape, and the level
  • the two level control bars are connected to the front and rear ends of the two abutment holders by fastening through the screw fastening slit of the control bar and the screw fastening holes formed at the front and rear ends of the two abutment holders, respectively. May include screws.
  • the horizontal adjustment unit consists of two coupling clips that are formed in an inverted 'U' shape to fit on the upper side of each of the two abutment holders and have a fastening boss on one side to which a screw is fastened, and along the longitudinal direction.
  • a long hole-shaped screw fastening slit is formed and may include a level control bar detachably coupled to the coupling clip by screws fastened through both ends of the screw fastening slit and fastening bosses of the two coupling clips.
  • a plurality of rotation-prevention protrusions protruding upward from the upper edge of the lower abutment are arranged at regular intervals along the circumferential direction, and the upper abutment is received and fixed inside the abutment holder of the frame structure.
  • the outer diameter of the holder coupling portion of the upper abutment may have a cone shape that gradually becomes smaller from the top to the bottom.
  • the cavity of the abutment holder may have a tapered shape whose width gradually decreases from the top to the bottom.
  • the multi-unit dental implant of the present invention has a lower abutment and an upper abutment coupled to each of a plurality of fixtures, and the upper abutment is firmly supported by being coupled to the abutment holder of the frame structure with photocurable resin. Since the posterior multi-crown has a structure in which it is coupled to the abutment holder in the edentulous state, there is an advantage that implant surgery for edentulous patients can be performed very easily and easily.
  • a multi-crown made up of multiple implant units can be installed at once with a small number of installation operations, and the advantage of easy distribution of bonding pressure can be obtained.
  • the prosthesis can be physically and mechanically connected to the upper abutment.
  • the accuracy of implant placement can be improved because the frame structure can be created within the oral cavity.
  • Figure 1 is a perspective view showing a multi-unit dental implant according to an embodiment of the present invention.
  • Figures 2a and 2b are perspective views showing an example of a frame structure constituting a multi-unit dental implant according to the present invention.
  • Figure 3a is a cross-sectional view from the side of the posterior portion of a multi-unit dental implant according to an embodiment of the present invention.
  • Figure 3a is a cross-sectional view from the side of a multi-unit dental implant according to an embodiment of the present invention.
  • FIG. 3B is a cross-sectional view from the front of the multi-unit dental implant shown in FIG. 3A.
  • Figure 4 is a cross-sectional view and a plan view showing an embodiment of the lower abutment constituting the multi-unit dental implant according to the present invention.
  • Figure 5 is a plan view showing another embodiment of the lower abutment constituting the multi-unit dental implant according to the present invention.
  • Figure 6 is a cross-sectional view and a plan view showing an embodiment of an upper abutment constituting a multi-unit dental implant according to the present invention.
  • Figure 7 is a diagram showing another embodiment of a frame structure constituting a multi-unit dental implant according to the present invention.
  • Figure 8 is a cross-sectional view of the anterior portion of a multi-unit dental implant using the frame structure shown in Figure 7.
  • Figure 9 is a diagram showing another embodiment of a frame structure constituting a multi-unit dental implant according to the present invention.
  • FIG. 10 is a cross-sectional view of the frame structure shown in FIG. 9.
  • anti-rotation protrusion 30 upper abutment
  • Locking flange 34 Upper threaded hole
  • Abutment holder 51a Pinhole
  • Level control bar 71 Screw fastening slit
  • the upper and lower parts of each component of the multi-unit dental implant are arbitrarily defined based on the drawing, and the cases where the multi-unit dental implant is installed in the upper jaw and the lower jaw are The top and bottom will be opposite each other. That is, when a multi-unit dental implant is installed in the upper jaw of the oral cavity, the upper part in the drawing will be placed in the lower part of the upper jaw of the actual oral cavity, and conversely, the lower part in the drawing will be placed in the upper part of the upper jaw of the actual oral cavity.
  • the multi-unit dental implant includes a plurality of fixtures 10 and a lower abutment installed in each fixture 10. (20), an upper abutment (30) that is seated and coupled to the upper surface of each lower abutment (20), a frame structure that simultaneously accommodates and secures a plurality of upper abutments (30). (framework) 50, and includes a tooth-shaped multi-crown 40 that is seated and coupled to the frame structure 50.
  • the fixture 10 can be constructed by applying a fixture used in known dental implants.
  • a thread is formed on the outer surface so that it can be spirally coupled to a hole drilled in the alveolar bone (B), and a hexagon or square shape is formed at the center of the upper end.
  • a coupling groove 11 in the form of a polygonal groove such as an octagon or a circular groove is formed concavely, and a female thread groove 12 having a thread formed on an inner peripheral surface at the lower end of the coupling groove 11 may be formed in communication.
  • the fixture 10 may be made of titanium material with excellent osseointegration properties, but may also be made of various materials with anti-allergy properties and excellent osseointegration properties.
  • the lower abutment 20 has a polygonal shape and size corresponding to the coupling groove 11 of the fixture 10 and is inserted into the coupling groove 11, and the upper part gradually increases in cross-sectional area toward the top. It has a cone shape that increases in size, and the upper surface is generally flat. And, in the central part of the lower abutment 20, a lower threaded hole 21 that communicates coaxially with the female threaded groove 12 of the fixture 10 is formed to penetrate in the vertical direction.
  • a plurality of anti-rotation protrusions 22 inclined at a certain angle with respect to the vertical axis are arranged at regular intervals along the circumferential direction.
  • the rotation prevention protrusions 22 may be formed at positions corresponding to each lower edge of the polygonal lower abutment 20.
  • the rotation prevention protrusion 22 may have a roughly trapezoidal shape when viewed from the side, but may also have a curved arch shape or a wave shape as shown in FIG. 5.
  • the upper surface of the lower abutment 20 is not flat but has a curved uneven shape along the circumferential direction
  • the lower surface of the upper abutment 30 also has the uneven shape of the lower abutment 20. It may have a corresponding uneven shape so that the unevenness of the lower surface of the upper abutment 30 is aligned with the unevenness of the upper surface of the lower abutment 20 and can be seated.
  • the upper abutment 30 has a lower surface parallel to the upper surface of the lower abutment 20, is seated and coupled to the upper surface of the lower abutment 20, and has an upper screw hole 34 in the center. It is formed to penetrate in the vertical direction.
  • the upper threaded hole 34 communicates coaxially with the lower threaded hole 21 of the lower abutment 20 so that the connecting screw 60 passes through it.
  • the upper screw hole 34 has a larger diameter than the lower part, so that a step on which the head of the connecting screw 60 is hung and supported can be formed at approximately the lower part of the upper screw hole 34.
  • a locking screw 65 that prevents the connecting screw 60 from loosening and secures the multi-crown 40 to the upper abutment 30 is helically coupled to the locking screw thread 35. ) is formed.
  • the upper abutment 30 is made of a metal material such as titanium, and is fixed to the inside of the abutment holder 51 of the frame structure 50 by the holder joining resin 54.
  • the resin for bonding the holder 54 may be a photocurable resin that can be cured by ultraviolet rays or other light in the wavelength range, or other dental resins used in dentistry.
  • the upper abutment 30 includes a pillar-shaped holder coupling portion 31 that is received and fixed inside the abutment holder 51 of the frame structure 50, and the holder coupling portion 31. It includes a base portion 32 that is integrally formed at the lower end and is seated on the upper end of the lower abutment 20.
  • the holder coupling portion 31 may have a polygonal pillar shape such as a hexagon, square, or octagon to prevent rotation inside the abutment holder 51, but may also have a cylindrical or oval pillar shape.
  • the outer diameter of the holder coupling portion 31 as in this embodiment is a cone that gradually becomes smaller from the top to the bottom. ) may have the form.
  • the outer surface of the holder coupling portion 31 may have a curved shape in which the longitudinal middle portion is concave inward in the radial direction, or may be formed in a concave-convex shape, a step shape, etc.
  • the lower edge of the base portion 32 is provided with a locking flange 33 disposed between the rotation prevention protrusions 22 of the lower abutment 20. Due to the engagement of the locking flange 33 of the base portion 32 and the rotation prevention protrusion 22 of the lower abutment 20, the upper abutment 30 rotates relative to the lower abutment 20. It can be combined without doing so.
  • the frame structure (framework) 50 integrally connects the plurality of upper abutments 30 coupled to the plurality of fixtures 10 to each other and couples the multi-crown 40 to the plurality of upper abutments 30.
  • An arch-shaped anterior prosthesis holder (55) coupled to the front end of the abutment holder is injected into the inside of the cavity (52) of the abutment holder (51) to form a plurality of upper abutments (30). It includes a holder bonding resin (54) that is fixed to the butt holder (51).
  • the abutment holders 51 may be made up of two sets, and each is placed in a position corresponding to the posterior teeth on both sides of the human oral cavity.
  • the abutment holder 51 has a cavity 52 in the shape of a long track or ellipse in the front-to-back direction.
  • the cavity 52 is formed to be open up and down, and a plurality of (preferably two to four) upper abutments 30 are accommodated and fixed in each cavity 52.
  • the abutment holder 51 may be made of titanium material with excellent osseointegration properties, but may also be made of various materials with anti-allergy properties and excellent osseointegration properties.
  • the cavity 52 of the abutment holder 51 accommodates the holder coupling portion 31 of the upper abutment 30.
  • the abutment holder 51 has a tapered shape in which the width (D U , D L ) becomes gradually smaller from the top to the bottom.
  • This tapered shape of the abutment holder 51 is In addition to increasing the bonding strength between the abutment holder (51) and the holder joining resin (54), even when the fixture (10) is installed obliquely at a certain angle in the alveolar bone (B), it is attached to the abutment holder (51). It provides the advantage of being able to fix the upper abutment 30.
  • a pinhole 51a is formed to penetrate upward and downward at the rear end or rear end of the abutment holder 51. Therefore, the abutment holder 51 can be fixed to the alveolar bone by inserting an anchor pin (51b) through the pin hole (51a) and coupling it to the alveolar bone.
  • the abutment holder 51 fixes the portion corresponding to the posterior teeth of the multi-crown 40, and the occlusal surface of the posterior portion of the multi-crown 40 must be maintained horizontal. Accordingly, in the process of installing the two abutment holders (51) in the oral cavity, before injecting the holder bonding resin (54) into the cavity (52), the two abutment holders (51) are placed horizontally in order to be installed horizontally. Use an adjustment unit.
  • the horizontal adjustment unit may be composed of two level control bars 70 that intersect in an 'X' shape as shown in FIG. 2B.
  • the level control bar 70 is designed to level the front and rear ends of the two abutment holders 51 by connecting them in an 'X' shape.
  • the two abutment holders 51 can be mounted while maintaining horizontality on the alveolar bones on both sides of the human oral cavity.
  • a long hole-shaped screw fastening slit 71 extending along the longitudinal direction is formed in the two level control bars 70, and the screw fastening slit 71 of each level control bar 70 and the two abutts
  • the level control bar 70 can be removably coupled to the abutment holder 51 by fastening the screw 72 through the screw fastening hole 51c formed at each of the front and rear ends of the abutment holder 51. You can. After fixing the upper abutment 30 to the abutment holder 51, the level control bar 70 injects the holder joining resin 54 into the cavity 52 of the abutment holder 51. It is separated from the abutment holder (51).
  • a holder coupling piece 53 for coupling with the anterior prosthesis holder 55 is integrally formed at the front end of the abutment holder 51.
  • the holder coupling piece 53 has an approximately square plate shape and is formed integrally with the front end of the abutment holder 51, and a plurality of fastening holes 53a into which the screws 59 are fastened are formed to penetrate laterally.
  • the holder coupling piece 53 may be arranged to coincide with the central axis of the abutment holder 51, but the abutment holder ( 51) can be placed in a position biased at a certain distance relative to the central axis.
  • the fastening holes 53a of the holder coupling piece 53 may be arranged on the same horizontal line, but it is preferable that they are formed at intervals up and down and front and rear as in this embodiment to increase coupling force and reduce displacement.
  • the anterior prosthesis holder 55 is for fixing the anterior part of the multi-crown 40.
  • the anterior prosthesis holder 55 is made of an arch-shaped bar that is convex forward and may be made of stainless steel or titanium.
  • the anterior prosthesis holder 55 may be provided with a plurality of through holes 55a through which resin for prosthesis bonding, such as photocurable resin or dental resin for fixing the anterior teeth of the multi-crown 40, can pass.
  • resin for prosthesis bonding such as photocurable resin or dental resin for fixing the anterior teeth of the multi-crown 40
  • a plurality of holder fastening holes 55b into which the screws 59 are fastened correspond to the fastening holes 53a of the holder coupling piece 53 of the abutment holder 51. It is formed.
  • the anterior prosthesis holder 55 may have a height-directed middle portion concave in the thickness direction to increase bonding strength with the prosthesis bonding resin for fixing the multi-crown 40.
  • the multi-crown 40 is a plurality of tooth-shaped prosthesis (crowns) connected as one piece, and the prosthesis may be made of materials such as zirconia, gold, or porcelain.
  • the multi-crown 40 may be composed of a part corresponding to the anterior teeth of the maxilla or mandible and a part corresponding to the posterior teeth, and the part corresponding to the anterior teeth and the part corresponding to the posterior teeth may be formed as an integrated piece as in this embodiment. However, differently, the part corresponding to the anterior teeth and the part corresponding to the posterior teeth may be divided into two parts.
  • the multi-crown 40 may be a ready-made product, and unlike this embodiment, a plurality of prosthetics (crowns) may be integrally connected to each other, but prosthetics in the form of individual teeth may also be used.
  • the part corresponding to the anterior teeth of the multi-crown 40 is coupled to the anterior prosthesis holder 55 of the frame structure 50 with a resin for bonding prosthetics such as photocurable resin or dental resin, and the part corresponding to the posterior teeth is connected to the frame structure. It may be coupled to the abutment holder 51 of (50) with a resin for bonding prosthesis such as photocurable resin or dental resin. And, in the portion corresponding to the posterior teeth of the multi-crown 40, a screw insertion hole 42 communicating with the upper screw hole 34 formed in the plurality of upper abutments 30 is formed to penetrate upward and downward.
  • the multi-crown 40 may be fixed to the frame structure 50 by resin for prosthesis bonding, but as shown in FIGS. 3A and 3B, the screw insertion hole 42 formed in the posterior portion of the multi-crown 40 If the diameter of the lower part is made smaller than the diameter of the head of the locking screw (65) and the head of the locking screw (65) is caught, the locking screw (65) can couple the multi-crown (40) to the upper abutment (30). there is.
  • solid fixing force can be provided by fixing the lower part of the multi-crown 40 to the abutment holder 51 of the frame structure 50 using resin for joining prosthesis.
  • a dental implant having this configuration can be installed in the recipient as follows.
  • the two abutment holders (51) aligned in this way are placed on the posterior teeth on both sides of the mouth, and then the anchor pin (51b) is inserted through the pinhole (51a) formed at the rear end of the abutment holder (51). Fix the abutment holder (51) at the correct position in the oral cavity.
  • a hole is drilled to a certain depth using a drill at the location where the fixture 10 is to be installed through the cavity 52 of the abutment holder 51, and then the fixture 10 is spirally coupled to the inside of the hole to secure it. Fix it.
  • two fixtures 10 are installed in the cavity 52 of one abutment holder 51, but differently, three or three fixtures 10 are installed in the cavity 52 of one abutment holder 51.
  • Four fixtures 10 may be installed.
  • the fixture 10 When installing the fixture 10, the fixture 10 may be installed without installing the abutment holder 51 in the oral cavity.
  • the abutment holder (51) is removed from the oral cavity, and a known healing cap (not shown) is attached to the fixture (10). Wait until osseointegration occurs. After putting on the healing cap, keep it in place for about 3 to 6 months for the upper jaw and 1 to 3 months for the lower jaw until osseointegration is complete.
  • the frame structure 50 is manufactured by fixing both ends of the anterior prosthesis holder 55 to the holder coupling pieces 53 at the front ends of the two abutment holders 51 mounted in the oral cavity with screws 59.
  • two level control bars (70) crossing in an ) can be connected to the front and rear ends with screws (72).
  • the level control bar 70 is removed by loosening the screw after the abutment holder 51 is correctly mounted in the oral cavity.
  • the healing cap (not shown) is removed, the lower abutment 20 and the upper abutment 30 are sequentially seated on the fixture 10, and then the upper part of the upper abutment 30 Insert the connecting screw 60 through the threaded hole 34 and the lower threaded hole 21 of the lower abutment 20, and insert the thread at the bottom of the connecting screw 60 into the female thread groove of the fixture 10 ( 12) to couple the fixture 10, the lower abutment 20, and the upper abutment 30. Then, the abutment holder 51 of the frame structure 50 is placed in the correct position of the posterior teeth in the oral cavity, and then the abutment holder 51 of the frame structure 50 is fixed in the oral cavity with an anchor pin (51b). . At this time, a combination of a plurality of fixtures 10, lower abutment 20, and upper abutment 30 is disposed in the cavity 52 of the abutment holder 51.
  • the holder bonding resin 54 is injected into the cavity 52 of the abutment holder 51, and the holder bonding resin 54 is cured by irradiating light. Then, the holder bonding resin 54 is used to form the abutment.
  • the ment holder 51 and the lower abutment 20 are fixed and integrated.
  • the multi-crown 40 is aligned and seated at the exact position of the frame structure 50, and the multi-crown 40 is placed on the frame structure 50 using a resin for bonding prosthetics such as photocurable resin or other dental resin. combines with At this time, the part corresponding to the posterior teeth of the multi-crown 40 is coupled to the abutment holder 51, and the part corresponding to the anterior teeth is coupled to the anterior prosthesis holder 55.
  • a resin for bonding prosthetics such as photocurable resin or other dental resin.
  • the locking screw 65 is inserted through the screw insertion hole 42 formed in the multi-crown 40 and fastened to the locking screw thread 35 of the upper abutment 30, and the screw insertion hole of the multi-crown 40 ( 42) Implant placement is completed by filling the upper part with resin and hiding it.
  • a lower abutment 20 and an upper abutment 30 are coupled to each of a plurality of fixtures 10, and the upper abutment 30 is a frame structure ( Since the multi-crown 40 is coupled to the abutment holder 51 in a state of being firmly supported by being coupled to the abutment holder 51 of 50 with the resin 54 for holder joining, implant surgery for edentulous patients is possible. It has the advantage of being very easy and easy to accomplish.
  • the fixture 10, the lower abutment 20, and the upper abutment 30 were installed only in the posterior portion and were coupled to the abutment holder 51 with resin, but in Figures 7 and 8
  • the fixture 10, the lower abutment 20, and the upper abutment 30 are installed in the alveolar bone (B) corresponding to the anterior part of the oral cavity, and the anterior prosthesis holder 55 is installed.
  • An anterior abutment holder 57 for fixing the upper abutment 30 coupled to the anterior tooth fixture 10 may be additionally coupled to approximately the center.
  • the anterior abutment holder 57 has an approximately 'L' shape and forms a space in which the upper abutment 30 is accommodated and fixed between the front surface of the anterior prosthesis holder 55. At both ends of the anterior abutment holder 57, fastening pieces 57a having fastening holes 57b for screwing to the anterior prosthesis holder 55 are formed and are bent at approximately a right angle.
  • the fixture 10 installed in the maxillary alveolar bone (B) of the anterior teeth of the oral cavity may be installed obliquely due to the tooth structure.
  • the lower abutment 20 has a lower threaded hole 21 that communicates coaxially with the female thread groove 12 of the fixture 10 at a constant angle with respect to the vertical axis. It is formed to be inclined at an angle and passes through the screw insertion hole 42 of the anterior multi-crown 40 and the upper screw hole 34 of the upper abutment 30 at the upper end where the upper abutment 30 is seated.
  • the tap hole 23 into which the screw 65 is fastened is formed at a predetermined angle with the lower threaded hole 21.
  • the upper abutment (30) accommodated in the space between the anterior abutment holder (57) and the anterior prosthesis holder (55) is made of photocurable resin to form the anterior abutment holder (57) and the anterior prosthesis holder (55). can be fixed to
  • the thickness of the anterior prosthesis holder 55 may be constant from the top to the bottom, but in order to further increase the bonding strength with the resin for bonding the prosthesis, the thickness of the anterior prosthesis holder 55 is adjusted as shown in FIGS. 7 and 8. It may become larger from the top to the bottom, or it may have a longitudinal cross-sectional shape in the shape of a sphere where the thickness of the central part is smaller than the thickness of the upper and lower parts.
  • a retention protrusion (51d) is formed at the lower end of the abutment holder 51 disposed in the posterior tooth to protrude laterally outward, so that the bonding strength with the resin for bonding the holder or the resin for bonding the prosthesis can be significantly increased.
  • the cross-sectional shape characteristics due to the change in thickness of the anterior prosthesis holder 55 and the retention protrusion 51d at the lower end of the abutment holder 51 are similar to those of the anterior prosthesis holder 55 of the frame structure 50 of the first embodiment described above. Of course, it can be applied in the same or similar way to the abutment holder 51.
  • Figures 9 and 10 show another embodiment of the horizontal adjustment unit for leveling the abutment holder 51 of the frame structure 50.
  • the horizontal adjustment unit is installed on both abutment holders 51.
  • a level control in which two coupling clips (75) are roughly in an inverted 'U' shape to be inserted into each upper side, and both ends are detachably attached to each of the two coupling clips (75) through screws (77).
  • the coupling clip 75 includes two side plates 75a spaced apart at an interval corresponding to the width of the abutment holder 51, and an upper connection plate 57b connecting the upper ends of the two side plates 75a. And, of the two side plates (75a), a fastening plate (75a) is formed to extend in an L shape on the upper part of the side plate (75a) located inside the oral cavity and has a fastening boss (75d) to which the screw (77) is fastened ( 75c).
  • level control bar 76 is made of a bar with a long screw fastening slit 71 formed along the longitudinal direction.
  • the present invention can be applied to dental implants installed in the alveolar bone in the human oral cavity.

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Abstract

The present invention relates to a multi-unit tooth implant, the medical procedure of which can be performed by, in a state in which a plurality of fixtures are implanted in the alveolar bone of an edentulous patient and a lower abutment and an upper abutment are then coupled to each of the fixtures, coupling a posterior prosthesis and an anterior prosthesis to the upper abutment by using a framework made of a titanium material.

Description

멀티유닛 치아 임플란트Multi-unit dental implants
본 발명은 치아 임플란트에 관한 것으로, 더욱 상세하게는 무치악 환자의 치조골에 복수의 픽스처를 식립하고, 복수의 픽스처 각각에 하부 어버트먼트(lower abutment)와 상부 어버트먼트(upper abutment)를 결합시킨 상태에서 티타늄 재질의 프레임구조체(framework)를 이용하여 보철물을 상부 어버트먼트(upper abutment)에 결합하여 시술할 수 있는 멀티유닛 치아 임플란트에 관한 것이다. The present invention relates to dental implants, and more specifically, to implanting a plurality of fixtures in the alveolar bone of an edentulous patient and attaching a lower abutment and an upper abutment to each of the plurality of fixtures. It relates to a multi-unit dental implant that can be performed by combining a prosthesis with an upper abutment using a frame made of titanium.
틀니는 인공치아를 갖는 보철물을 의미하며, 틀니는 부분틀니와 전체틀니로 구분할 수 있고 자연 치아의 결손 부위가 일부 일 때는 부분틀니를 적용하고, 상악 또는 하악에 잔존하는 자연치아가 전무한 경우에 전체틀니를 적용한다.Dentures refer to prosthetics with artificial teeth. Dentures can be divided into partial dentures and full dentures. Partial dentures are applied when some natural teeth are missing, and full dentures are applied when there are no natural teeth remaining in the upper or lower jaw. Apply dentures.
최근에는 인공 치근을 식립하여 틀니를 착탈하는 방법이 적용되고 있고, 국내 등록특허 제10-1861165호에 틀니와 어버트먼트(abutment)를 연결하기 위한 틀니 결합장치가 개시되어 있다. Recently, a method of attaching and detaching a denture by implanting an artificial tooth root has been applied, and a denture coupling device for connecting a denture and an abutment is disclosed in Domestic Patent No. 10-1861165.
이러한 종래의 틀니는 보철물을 지지하는 레진 플랜지(resin flange)가 넓어서 음식물이 끼는 빈도가 높아서 픽스처의 수명이 단축되는 문제가 발생한다. In these conventional dentures, the resin flange that supports the prosthesis is wide, so there is a high frequency of food getting caught, which causes the problem of shortening the lifespan of the fixture.
또한 종래의 틀니는 수평을 맞추기 어려워 시술 과정이 복잡하고 시간이 오래 걸리는 문제도 있다.In addition, conventional dentures are difficult to level, making the treatment process complicated and time-consuming.
본 발명은 상기한 문제를 해결하기 위한 것으로, 본 발명의 목적은 기존의 틀니에서 발생하는 음식물 끼임 현상을 방지할 수 있으며, 시술이 용이하고 정확하게 이루어질 수 있는 멀티유닛 치아 임플란트를 제공하는 것이다.The present invention is intended to solve the above problems, and the purpose of the present invention is to provide a multi-unit dental implant that can prevent food entrapment that occurs in existing dentures and that can be performed easily and accurately.
상기한 목적을 달성하기 위한 본 발명에 따른 멀티유닛 치아 임플란트는, 치조골에 식립되어 고정되며, 상단부에 결합홈이 오목하게 형성되고, 상기 결합홈의 하단부에 내주면에 나사산이 형성된 암나사홈이 연통되게 형성되어 있는 복수의 픽스처; 하부가 상기 복수의 픽스처 각각의 결합홈 내측으로 삽입되어 결합되며, 상부면이 평면으로 이루어지고, 상기 암나사홈과 동축상으로 하부 나사공이 상하방향으로 관통되게 형성되어 있는 복수의 하부 어버트먼트(lower abutment); 하부면이 상기 복수의 하부 어버트먼트 각각의 상부면과 나란한 평면으로 되어 하부 어버트먼트의 상부면에 안착되며, 상부 나사공이 상하방향으로 관통되게 형성되어 있는 복수의 상부 어버트먼트(upper abutment); 상기 상부 어버트먼트의 상부 나사공과 하부 어버트먼트의 하부 나사공을 통과하여 상기 픽스처의 암나사홈에 나선 결합되면서 픽스처와 하부 어버트먼트와 상부 어버트먼트를 상호 결합하는 컨넥팅스크류; 상기 상부 어버트먼트가 수용되는 캐비티가 상하로 개방되게 형성되어 있는 어버트먼트홀더(abutment holder)와, 상기 어버트먼트홀더의 캐비티 내측에 주입되어 상부 어버트먼트를 어버트먼트홀더에 대해 고정하는 홀더접합용 레진을 포함하는 프레임구조체(framework); 및, 상기 복수의 상부 어버트먼트 각각의 상부 나사공과 대응하는 복수의 관통공이 형성되고, 상기 프레임구조체 상에 안착된 상태에서 보철물 접합용 레진에 의해 프레임구조체에 결합되는 복수의 치아 형태로 된 멀티크라운(multi-crown);을 포함한다. The multi-unit dental implant according to the present invention for achieving the above object is installed and fixed in the alveolar bone, a coupling groove is formed concavely at the upper end, and a female thread groove formed on the inner peripheral surface of the lower end of the coupling groove communicates. A plurality of fixtures are formed; A plurality of lower abutments, the lower part of which is inserted and coupled into the coupling groove of each of the plurality of fixtures, the upper surface of which is flat, and the lower screw hole is formed coaxially with the female screw groove to penetrate in the vertical direction ( lower abutment); A plurality of upper abutments, the lower surface of which is a plane parallel to the upper surface of each of the plurality of lower abutments, is seated on the upper surface of the lower abutment, and the upper screw hole is formed to penetrate in the vertical direction. ); A connecting screw that passes through the upper screw hole of the upper abutment and the lower screw hole of the lower abutment and is spirally coupled to the female thread groove of the fixture, thereby coupling the fixture, the lower abutment, and the upper abutment to each other; An abutment holder in which the cavity in which the upper abutment is accommodated is formed to be open up and down, and an abutment holder that is injected into the cavity of the abutment holder to fix the upper abutment to the abutment holder. A frame structure containing a resin for bonding a holder; And, a plurality of through holes corresponding to the upper screw holes of each of the plurality of upper abutments are formed, and a multi-layer in the form of a plurality of teeth is coupled to the frame structure by resin for bonding prosthesis while seated on the frame structure. Crown (multi-crown); includes.
상기 프레임구조체의 어버트먼트홀더는 전후방향으로 긴 트랙(track) 또는 타원 형태의 캐비티를 가지며, 2개가 인체의 구강의 양측 구치부 위치에 배치되어 구치부의 치조골에 설치되는 복수의 상부 어버트먼트를 동시에 수용하면서 멀티크라운의 구치부 부분과 각각 결합될 수 있다. The abutment holder of the frame structure has a long track or oval-shaped cavity in the front-to-back direction, and two of them are placed at the posterior teeth on both sides of the human oral cavity and include a plurality of upper abutments installed in the alveolar bone of the posterior teeth. It can be simultaneously accommodated and combined with the posterior portion of the multi-crown.
상기 프레임구조체는, 전방으로 볼록한 아치 형태로 되어 양단부가 2개의 어버트먼트홀더의 전단부에 결합되며, 상기 멀티크라운 중 인체의 구강의 전치부에 해당하는 부분과 결합되는 전치부 보철물홀더(Anterior teeth Holder)를 더 포함할 수 있다. The frame structure is in the form of a forward convex arch, and both ends are coupled to the front ends of two abutment holders, and an anterior teeth holder (Anterior teeth Holder) is coupled to a portion of the multi-crown corresponding to the anterior teeth of the human oral cavity. ) may further be included.
상기 프레임구조체는, 상기 전치부 보철물홀더에 결합되어 구강의 전치부에 대응하는 치조골에 식립되는 픽스처에 결합된 상부 어버트먼트를 수용하면서 고정하는 'ㄷ'자 형태로 된 전치부 어버트먼트홀더를 더 포함할 수 있다. The frame structure further includes an anterior abutment holder in the shape of 'ㄷ' that is coupled to the anterior prosthesis holder and accommodates and fixes an upper abutment coupled to a fixture installed in the alveolar bone corresponding to the anterior teeth of the oral cavity. can do.
본 발명의 멀티유닛 치아 임플란트는, 상기 2개의 어버트먼트홀더의 캐비티 내에 홀더접합용 레진을 주입하기 전에, 환자의 구강 형태에 따라 2개의 어버트먼트홀더의 수평 상태를 맞추어 설치하기 위해 2개의 어버트먼트홀더를 연결하는 수평조정유닛을 더 포함할 수 있다. The multi-unit dental implant of the present invention has two abutment holders installed in a horizontal state according to the shape of the patient's mouth before injecting the resin for holder bonding into the cavity of the two abutment holders. It may further include a horizontal adjustment unit connecting the abutment holder.
상기 수평조정유닛은, 길이방향을 따라 장공형의 스크류체결슬릿이 형성되어 있으며 2개의 어버트먼트홀더의 전단부와 후단부를 'X' 형태로 교차하면서 연결하는 2개의 레벨컨트롤바아와, 상기 레벨컨트롤바아의 스크류체결슬릿과 2개의 어버트먼트홀더의 전단부 및 후단부 각각에 형성된 스크류체결공을 통해 체결되면서 2개의 레벨컨트롤바아를 2개의 어버트먼트홀더의 전단부 및 후단부에 결합하는 스크류를 포함할 수 있다. The horizontal adjustment unit includes two level control bars formed with long hole-shaped screw fastening slits along the longitudinal direction and connecting the front and rear ends of the two abutment holders while crossing them in an 'X' shape, and the level The two level control bars are connected to the front and rear ends of the two abutment holders by fastening through the screw fastening slit of the control bar and the screw fastening holes formed at the front and rear ends of the two abutment holders, respectively. May include screws.
상기 수평조정유닛은, 2개의 어버트먼트홀더 각각의 상측에 끼워지도록 역'U'자형으로 이루어지고 일측부에 스크류가 체결되는 체결보스가 형성되어 있는 2개의 커플링클립과, 길이방향을 따라 장공형의 스크류체결슬릿이 형성되어 상기 스크류체결슬릿의 양단부와 상기 2개의 커플링클립의 체결보스를 통해 체결되는 스크류에 의해 커플링클립에 착탈 가능하게 결합되는 레벨컨트롤바아를 포함할 수 있다. The horizontal adjustment unit consists of two coupling clips that are formed in an inverted 'U' shape to fit on the upper side of each of the two abutment holders and have a fastening boss on one side to which a screw is fastened, and along the longitudinal direction. A long hole-shaped screw fastening slit is formed and may include a level control bar detachably coupled to the coupling clip by screws fastened through both ends of the screw fastening slit and fastening bosses of the two coupling clips.
상기 하부 어버트먼트의 상단부 테두리에 상측으로 돌출된 복수의 회전방지돌기가 원주방향을 따라 일정 간격으로 배열되며, 상기 상부 어버트먼트는, 상기 프레임구조체의 어버트먼트홀더의 내측에 수용되어 고정되는 기둥 형태의 홀더결합부와, 상기 홀더결합부의 하단부에 일체로 형성되어 하부 어버트먼트의 상단부에 안착되는 베이스부와, 상기 베이스부의 하단부 테두리에 원주방향으로 일정 간격으로 배열되어 상기 하부 어버트먼트의 회전방지돌기 사이사이에 배치되는 록킹플랜지를 포함할 수 있다. A plurality of rotation-prevention protrusions protruding upward from the upper edge of the lower abutment are arranged at regular intervals along the circumferential direction, and the upper abutment is received and fixed inside the abutment holder of the frame structure. A pillar-shaped holder coupling portion, a base portion formed integrally with the lower end of the holder coupling portion and seated on the upper end of the lower abutment, and a base portion arranged at regular intervals in the circumferential direction on the lower edge of the base portion to form the lower abutment. It may include a locking flange disposed between the anti-rotation protrusions of the ment.
상기 상부 어버트먼트의 홀더결합부의 외경은 상부에서 하부로 갈수록 점차적으로 작아지는 콘(cone) 형태로 이루어질 수 있다. The outer diameter of the holder coupling portion of the upper abutment may have a cone shape that gradually becomes smaller from the top to the bottom.
상기 어버트먼트홀더의 캐비티는 상부에서 하부로 갈수록 그 폭이 점차적으로 작아지게 테이퍼진 형태를 가질 수 있다. The cavity of the abutment holder may have a tapered shape whose width gradually decreases from the top to the bottom.
본 발명에 따르면 다음과 같은 이점들을 얻을 수 있다. According to the present invention, the following advantages can be obtained.
첫째, 본 발명의 멀티유닛 치아 임플란트는 복수의 픽스처 각각에 하부 어버트먼트와 상부 어버트먼트가 결합되고, 상부 어버트먼트가 프레임구조체의 어버트먼트홀더에 광경화성 레진으로 결합되어 견고하게 지지된 상태에서 구치부 멀티크라운이 어버트먼트홀더에 결합되는 구조를 가지므로, 무치악 환자의 임플란트 시술이 매우 용이하고 쉽게 이루어질 수 있는 이점이 있다. First, the multi-unit dental implant of the present invention has a lower abutment and an upper abutment coupled to each of a plurality of fixtures, and the upper abutment is firmly supported by being coupled to the abutment holder of the frame structure with photocurable resin. Since the posterior multi-crown has a structure in which it is coupled to the abutment holder in the edentulous state, there is an advantage that implant surgery for edentulous patients can be performed very easily and easily.
즉, 프레임구조체를 이용하여 다수의 임플란트 유닛으로 된 멀티크라운을 적은 수의 식립 작업으로 한번에 식립이 가능하며, 보합압의 분산이 용이한 이점을 얻을 수 있다.In other words, by using the frame structure, a multi-crown made up of multiple implant units can be installed at once with a small number of installation operations, and the advantage of easy distribution of bonding pressure can be obtained.
둘째, 식립 각도를 다양하게 하여도 보철물의 제작이 용이한 이점이 있다.Second, there is an advantage in that it is easy to manufacture a prosthesis even if the installation angle is varied.
셋째, 물리적, 기계적으로 보철물을 상부 어버트먼트에 연결시킬 수 있다. Third, the prosthesis can be physically and mechanically connected to the upper abutment.
넷째, 보철물 파손 시 보철물을 쉽게 분리하여 수리할 수 있다.Fourth, when the prosthesis is damaged, it can be easily separated and repaired.
다섯째, 프레임구조체(framework)를 구강 내에서 만들 수 있어 임플란트 식립 정확도를 향상시킬 수 있다.Fifth, the accuracy of implant placement can be improved because the frame structure can be created within the oral cavity.
도 1은 본 발명의 일 실시예에 따른 멀티유닛 치아 임플란트를 나타낸 사시도이다.Figure 1 is a perspective view showing a multi-unit dental implant according to an embodiment of the present invention.
도 2a 및 도 2b는 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 프레임구조체(framework)의 일 실시예를 나타낸 사시도이다.Figures 2a and 2b are perspective views showing an example of a frame structure constituting a multi-unit dental implant according to the present invention.
도 3a는 본 발명의 일 실시예에 따른 멀티유닛 치아 임플란트의 구치부를 측면에서 본 단면도이다.Figure 3a is a cross-sectional view from the side of the posterior portion of a multi-unit dental implant according to an embodiment of the present invention.
도 3a는 본 발명의 일 실시예에 따른 멀티유닛 치아 임플란트의 측방에서 본 단면도이다.Figure 3a is a cross-sectional view from the side of a multi-unit dental implant according to an embodiment of the present invention.
도 3b는 도 3a에 도시한 멀티유닛 치아 임플란트의 정면에서 본 단면도이다. FIG. 3B is a cross-sectional view from the front of the multi-unit dental implant shown in FIG. 3A.
도 4는 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 하부 어버트먼트의 일 실시예를 나타낸 단면도 및 평면도이다.Figure 4 is a cross-sectional view and a plan view showing an embodiment of the lower abutment constituting the multi-unit dental implant according to the present invention.
도 5는 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 하부 어버트먼트의 다른 실시예를 나타낸 평면도이다.Figure 5 is a plan view showing another embodiment of the lower abutment constituting the multi-unit dental implant according to the present invention.
도 6은 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 상부 어버트먼트의 일 실시예를 나타낸 단면도 및 평면도이다. Figure 6 is a cross-sectional view and a plan view showing an embodiment of an upper abutment constituting a multi-unit dental implant according to the present invention.
도 7은 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 프레임구조체(framework)의 다른 실시예를 나타낸 도면이다.Figure 7 is a diagram showing another embodiment of a frame structure constituting a multi-unit dental implant according to the present invention.
도 8은 도 7에 도시한 프레임구조체를 적용한 멀티유닛 치아 임플란트의 전치부에 대한 단면도이다.Figure 8 is a cross-sectional view of the anterior portion of a multi-unit dental implant using the frame structure shown in Figure 7.
도 9는 본 발명에 따른 멀티유닛 치아 임플란트를 구성하는 프레임구조체(framework)의 또 다른 실시예를 나타낸 도면이다.Figure 9 is a diagram showing another embodiment of a frame structure constituting a multi-unit dental implant according to the present invention.
도 10은 도 9에 도시한 프레임구조체의 단면도이다. FIG. 10 is a cross-sectional view of the frame structure shown in FIG. 9.
* 부호의 설명 ** Explanation of symbols *
B : 치조골 10 : 픽스처(fixture)B: Alveolar bone 10: Fixture
11 : 결합홈 12 : 암나사홈11: Coupling groove 12: Female thread groove
20 : 하부 어버트먼트 21 : 하부 나사공20: lower abutment 21: lower screw hole
22 : 회전방지돌기 30 : 상부 어버트먼트22: anti-rotation protrusion 30: upper abutment
31 : 홀더결합부 32 : 베이스부31: Holder coupling part 32: Base part
33 : 록킹플랜지 34 : 상부 나사공33: Locking flange 34: Upper threaded hole
35 : 록킹나사산 40 : 멀티크라운(multi-crown)35: locking thread 40: multi-crown
42 : 스크류삽입구 50 : 프레임구조체(framework)42: screw insertion hole 50: frame structure
51 : 어버트먼트홀더 51a : 핀홀51: Abutment holder 51a: Pinhole
51b : 앵커핀(anker pin) 51c : 스크류체결공51b: anchor pin 51c: screw fastener
51d : 리텐션돌기 52 : 캐비티51d: retention protrusion 52: cavity
53 : 홀더결합편 53a : 체결공53: Holder coupling piece 53a: Fastening hole
54 : 홀더접합용 레진 55 : 전치부 보철물홀더(Anterior teeth holder) 54: Resin for holder bonding 55: Anterior teeth holder
55a : 관통공 59 : 스크류55a: Through hole 59: Screw
60 : 컨넥팅스크류 65 : 록킹스크류60: Connecting screw 65: Locking screw
70 : 레벨컨트롤바아 71 : 스크류체결슬릿70: Level control bar 71: Screw fastening slit
72 : 스크류 72: screw
본 명세서에 기재된 실시예와 도면에 도시된 구성은 개시된 발명의 바람직한 일 예에 불과할 뿐이며, 본 출원의 출원시점에 있어서 본 명세서의 실시예와 도면을 대체할 수 있는 다양한 변형 예들이 있을 수 있다.The embodiments described in this specification and the configurations shown in the drawings are only preferred examples of the disclosed invention, and at the time of filing this application, there may be various modifications that can replace the embodiments and drawings in this specification.
이하에서는 첨부된 도면을 참조하여 멀티유닛 치아 임플란트를 후술된 실시예들에 따라 구체적으로 설명하도록 한다. 도면에서 동일한 부호는 동일한 구성 요소를 나타낸다. Hereinafter, with reference to the attached drawings, the multi-unit dental implant will be described in detail according to the embodiments described below. In the drawings, like symbols represent like components.
참고로 이해를 돕기 위하여 이하의 설명에서 멀티유닛 치아 임플란트의 각 구성의 상부와 하부는 도면을 기준으로 하여 임의로 정의한 것이며, 멀티유닛 치아 임플란트를 구강의 상악에 설치하는 경우와 하악에 설치하는 경우는 상부와 하부가 서로 반대로 될 것이다. 즉, 멀티유닛 치아 임플란트를 구강의 상악에 설치하는 경우, 도면에서 상부는 실제 구강의 상악에서는 하부에 배치되고, 반대로 도면에서 하부는 실제 구강의 상악에서는 상부에 배치될 것이다. For reference and to aid understanding, in the following description, the upper and lower parts of each component of the multi-unit dental implant are arbitrarily defined based on the drawing, and the cases where the multi-unit dental implant is installed in the upper jaw and the lower jaw are The top and bottom will be opposite each other. That is, when a multi-unit dental implant is installed in the upper jaw of the oral cavity, the upper part in the drawing will be placed in the lower part of the upper jaw of the actual oral cavity, and conversely, the lower part in the drawing will be placed in the upper part of the upper jaw of the actual oral cavity.
도 1 내지 도 6을 참조하면, 본 발명의 일 실시예에 따른 멀티유닛 치아 임플란트는, 복수의 픽스처(fixture)(10), 각각의 픽스처(10)에 식립되는 하부 어버트먼트(lower abutment)(20), 각각의 하부 어버트먼트(20)의 상부면에 안착되어 결합되는 상부 어버트먼트(upper abutment)(30), 복수의 상부 어버트먼트(30)를 동시에 수용하면서 고정하는 프레임구조체(framework)(50), 프레임구조체(50) 상에 안착되어 결합되는 치아 형태의 멀티크라운(multi-crown)(40)을 포함한다. 1 to 6, the multi-unit dental implant according to an embodiment of the present invention includes a plurality of fixtures 10 and a lower abutment installed in each fixture 10. (20), an upper abutment (30) that is seated and coupled to the upper surface of each lower abutment (20), a frame structure that simultaneously accommodates and secures a plurality of upper abutments (30). (framework) 50, and includes a tooth-shaped multi-crown 40 that is seated and coupled to the frame structure 50.
픽스처(10)는 공지의 치과용 임플란트에 사용하는 픽스처를 적용하여 구성할 수 있는데, 외면에는 치조골(B)에 천공된 구멍에 나선 결합될 수 있도록 나사산이 형성되고, 상단부 중앙에는 육각형이나 사각형, 팔각형 등의 다각형 홈 형태, 또는 원형 홈 형태로 된 결합홈(11)이 오목하게 형성되며, 상기 결합홈(11)의 하단부에 내주면에 나사산이 형성된 암나사홈(12)이 연통되게 형성될 수 있다. 픽스처(10)는 골유착성이 우수한 티타늄 소재로 이루어질 수 있으나, 이외에도 항알레르기성 및 우수한 골유착성을 갖는 다양한 소재로 이루어질 수 있다. The fixture 10 can be constructed by applying a fixture used in known dental implants. A thread is formed on the outer surface so that it can be spirally coupled to a hole drilled in the alveolar bone (B), and a hexagon or square shape is formed at the center of the upper end. A coupling groove 11 in the form of a polygonal groove such as an octagon or a circular groove is formed concavely, and a female thread groove 12 having a thread formed on an inner peripheral surface at the lower end of the coupling groove 11 may be formed in communication. . The fixture 10 may be made of titanium material with excellent osseointegration properties, but may also be made of various materials with anti-allergy properties and excellent osseointegration properties.
하부 어버트먼트(20)는 하부가 상기 픽스처(10)의 결합홈(11)과 대응하는 다각형 형태 및 크기를 갖도록 되어 결합홈(11) 내측으로 삽입되고, 상부는 상측으로 가면서 횡단면적이 점차적으로 커지는 원추형태를 가지며 상부면이 대체로 평면으로 이루어진다. 그리고 하부 어버트먼트(20)의 중앙부에는 상기 픽스처(10)의 암나사홈(12)과 동축상으로 연통되는 하부 나사공(21)이 상하방향으로 관통되게 형성되어 있다. The lower abutment 20 has a polygonal shape and size corresponding to the coupling groove 11 of the fixture 10 and is inserted into the coupling groove 11, and the upper part gradually increases in cross-sectional area toward the top. It has a cone shape that increases in size, and the upper surface is generally flat. And, in the central part of the lower abutment 20, a lower threaded hole 21 that communicates coaxially with the female threaded groove 12 of the fixture 10 is formed to penetrate in the vertical direction.
하부 어버트먼트(20)의 상단부 테두리에는 연직한 축에 대해 일정 각도로 경사진 복수의 회전방지돌기(22)가 원주방향을 따라 일정 간격으로 배열된다. 상기 회전방지돌기(22)는 다각형으로 된 하부 어버트먼트(20)의 하부의 각 변부와 대응하는 위치에 형성될 수 있다. 상기 회전방지돌기(22)는 측방에서 보았을 때 대략 사다리꼴 형태를 가질 수 있지만, 이외에도 곡선형의 아치(arch) 형태, 또는 도 5에 도시한 것과 같은 웨이브(wave) 형태를 가질 수도 있다. On the upper edge of the lower abutment 20, a plurality of anti-rotation protrusions 22 inclined at a certain angle with respect to the vertical axis are arranged at regular intervals along the circumferential direction. The rotation prevention protrusions 22 may be formed at positions corresponding to each lower edge of the polygonal lower abutment 20. The rotation prevention protrusion 22 may have a roughly trapezoidal shape when viewed from the side, but may also have a curved arch shape or a wave shape as shown in FIG. 5.
또한 하부 어버트먼트(20)의 상부면은 평면으로 이루어지지 않고 원주방향을 따라 굴곡진 요철 형태를 가지며, 상부 어버트먼트(30)의 하부면 또한 하부 어버트먼트(20)의 요철 형태와 대응하는 요철 형태를 갖도록 되어 상부 어버트먼트(30)의 하부면 요철이 하부 어버트먼트(20)의 상부면 요철에 형합되면서 안착되게 할 수도 있을 것이다. In addition, the upper surface of the lower abutment 20 is not flat but has a curved uneven shape along the circumferential direction, and the lower surface of the upper abutment 30 also has the uneven shape of the lower abutment 20. It may have a corresponding uneven shape so that the unevenness of the lower surface of the upper abutment 30 is aligned with the unevenness of the upper surface of the lower abutment 20 and can be seated.
상부 어버트먼트(30)는 하부면이 하부 어버트먼트(20)의 상부면과 나란한 평면으로 되어 하부 어버트먼트(20)의 상부면에 안착되어 결합되며, 중앙부에 상부 나사공(34)이 상하방향으로 관통되게 형성되어 있다. 상부 나사공(34)은 하부 어버트먼트(20)의 하부 나사공(21)과 동축상으로 연통되어 컨넥팅스크류(60)가 통과하게 된다. 또한 상부 나사공(34)은 상부가 하부보다 큰 직경을 갖도록 되어 상부 나사공(34)의 대략 하부에 컨넥팅스크류(60)의 헤드가 걸려서 지지되는 단턱이 형성될 수 있다. 상부 나사공(34)의 상단부에는 컨넥팅스크류(60)가 느슨해지는 것을 방지하고 멀티크라운(40)을 상부어버트먼트(30)에 고정하는 록킹스크류(65)가 나선 결합되는 록킹나사산(35)이 형성되어 있다. The upper abutment 30 has a lower surface parallel to the upper surface of the lower abutment 20, is seated and coupled to the upper surface of the lower abutment 20, and has an upper screw hole 34 in the center. It is formed to penetrate in the vertical direction. The upper threaded hole 34 communicates coaxially with the lower threaded hole 21 of the lower abutment 20 so that the connecting screw 60 passes through it. In addition, the upper screw hole 34 has a larger diameter than the lower part, so that a step on which the head of the connecting screw 60 is hung and supported can be formed at approximately the lower part of the upper screw hole 34. At the upper end of the upper threaded hole 34, a locking screw 65 that prevents the connecting screw 60 from loosening and secures the multi-crown 40 to the upper abutment 30 is helically coupled to the locking screw thread 35. ) is formed.
상부 어버트먼트(30)는 티타늄과 같은 금속 재질로 이루어지며, 프레임구조체(50)의 어버트먼트홀더(51) 내측에서 홀더접합용 레진(54)에 의해 고정된다. 홀더접합용 레진(54)은 자외선 또는 다른 파장대의 빛에 의해 경화될 수 있는 광경화성 레진 또는 기타 치과에서 사용하는 치과용 레진을 사용할 수 있다. The upper abutment 30 is made of a metal material such as titanium, and is fixed to the inside of the abutment holder 51 of the frame structure 50 by the holder joining resin 54. The resin for bonding the holder 54 may be a photocurable resin that can be cured by ultraviolet rays or other light in the wavelength range, or other dental resins used in dentistry.
이 실시예에서 상부 어버트먼트(30)는 프레임구조체(50)의 어버트먼트홀더(51) 내측에 수용되어 고정되는 기둥 형태의 홀더결합부(31)와, 상기 홀더결합부(31)의 하단부에 일체로 형성되어 하부 어버트먼트(20)의 상단부에 안착되는 베이스부(32)를 포함한다. In this embodiment, the upper abutment 30 includes a pillar-shaped holder coupling portion 31 that is received and fixed inside the abutment holder 51 of the frame structure 50, and the holder coupling portion 31. It includes a base portion 32 that is integrally formed at the lower end and is seated on the upper end of the lower abutment 20.
홀더결합부(31)는 어버트먼트홀더(51) 내측에서 회전을 방지하기 위하여 육각형이나 사각형, 팔각형 등의 다각 기둥 형태를 가질 수 있으나, 원기둥 또는 타원형 기둥 형태를 가질 수도 있다. 또한 어버트먼트홀더(51) 내측에서 홀더접합용 레진(54)과의 접합력을 강화하기 위하여 이 실시예와 같이 홀더결합부(31)의 외경은 상부에서 하부로 갈수록 점차적으로 작아지는 콘(cone) 형태를 가질 수 있다. 또는 이와 다르게 홀더결합부(31)의 외면은 길이방향 중간부가 반경방향 내측으로 오목한 곡면으로 된 형태를 갖거나, 요철 형태, 계단 형태 등으로 이루어질 수도 있다.The holder coupling portion 31 may have a polygonal pillar shape such as a hexagon, square, or octagon to prevent rotation inside the abutment holder 51, but may also have a cylindrical or oval pillar shape. In addition, in order to strengthen the bonding force with the holder bonding resin 54 inside the abutment holder 51, the outer diameter of the holder coupling portion 31 as in this embodiment is a cone that gradually becomes smaller from the top to the bottom. ) may have the form. Alternatively, the outer surface of the holder coupling portion 31 may have a curved shape in which the longitudinal middle portion is concave inward in the radial direction, or may be formed in a concave-convex shape, a step shape, etc.
베이스부(32)의 하단부 테두리에는 상기 하부 어버트먼트(20)의 회전방지돌기(22) 사이사이에 배치되는 록킹플랜지(33)가 구비된다. 이러한 베이스부(32)의 록킹플랜지(33)와 하부 어버트먼트(20)의 회전방지돌기(22)의 맞물림에 의해 상부 어버트먼트(30)가 하부 어버트먼트(20)에 대해 상대 회전하지 않게 결합될 수 있다. The lower edge of the base portion 32 is provided with a locking flange 33 disposed between the rotation prevention protrusions 22 of the lower abutment 20. Due to the engagement of the locking flange 33 of the base portion 32 and the rotation prevention protrusion 22 of the lower abutment 20, the upper abutment 30 rotates relative to the lower abutment 20. It can be combined without doing so.
프레임구조체(framework)(50)는 복수의 픽스처(10)에 결합되는 복수의 상부 어버트먼트(30)들을 서로 일체로 연결하면서 멀티크라운(40)을 복수의 상부 어버트먼트(30)에 결합하기 위한 것으로, 복수의 상부 어버트먼트(30)가 동시에 수용되는 캐비티(52)가 상하로 개방되게 형성되어 있는 2개의 어버트먼트홀더(abutment holder)(51)와, 양단이 2개의 어버트먼트홀더의 전단부에 결합되는 아치형의 전치부 보철물홀더(Anterior teeth holder)(55) 및, 어버트먼트홀더(51)의 캐비티(52) 내측에 주입되어 복수의 상부 어버트먼트(30)를 어버트먼트홀더(51)에 대해 고정하는 홀더접합용 레진(54)을 포함한다. The frame structure (framework) 50 integrally connects the plurality of upper abutments 30 coupled to the plurality of fixtures 10 to each other and couples the multi-crown 40 to the plurality of upper abutments 30. In order to do this, there are two abutment holders 51 in which the cavity 52, which simultaneously accommodates a plurality of upper abutments 30, is formed to be open up and down, and two abutments at both ends. An arch-shaped anterior prosthesis holder (55) coupled to the front end of the abutment holder is injected into the inside of the cavity (52) of the abutment holder (51) to form a plurality of upper abutments (30). It includes a holder bonding resin (54) that is fixed to the butt holder (51).
어버트먼트홀더(51)는 2개가 1조로 이루어질 수 있으며, 각각이 인체의 구강 중 양측 구치부에 대응하는 위치에 배치된다. 어버트먼트홀더(51)는 전후방향으로 긴 트랙(track) 또는 타원 형태의 캐비티(52)를 갖는다. 상기 캐비티(52)는 상하로 개방되게 형성되며, 각각의 캐비티(52)에 복수의(바람직하기로 2개 내지 4개)의 상부 어버트먼트(30)가 수용되어 고정된다. 어버트먼트홀더(51)는 골유착성이 우수한 티타늄 소재로 이루어질 수 있으나, 이외에도 항알레르기성 및 우수한 골유착성을 갖는 다양한 소재로 이루어질 수 있다. The abutment holders 51 may be made up of two sets, and each is placed in a position corresponding to the posterior teeth on both sides of the human oral cavity. The abutment holder 51 has a cavity 52 in the shape of a long track or ellipse in the front-to-back direction. The cavity 52 is formed to be open up and down, and a plurality of (preferably two to four) upper abutments 30 are accommodated and fixed in each cavity 52. The abutment holder 51 may be made of titanium material with excellent osseointegration properties, but may also be made of various materials with anti-allergy properties and excellent osseointegration properties.
어버트먼트홀더(51)의 캐비티(52)는 상부 어버트먼트(30)의 홀더결합부(31)를 수용한다. 이 실시예에서 어버트먼트홀더(51)는 상부에서 하부로 갈수록 그 폭(DU, DL)이 점차적으로 작아지게 테이퍼진 형태를 갖는데, 이러한 어버트먼트홀더(51)의 테이퍼진 형태는 어버트먼트홀더(51)와 홀더접합용 레진(54)의 결합력을 증대시킴과 더불어, 픽스처(10)를 치조골(B)에 일정 각도로 비스듬하게 식립하는 경우에도 어버트먼트홀더(51)에 대해 상부 어버트먼트(30)를 고정할 수 있는 이점을 제공한다. The cavity 52 of the abutment holder 51 accommodates the holder coupling portion 31 of the upper abutment 30. In this embodiment, the abutment holder 51 has a tapered shape in which the width (D U , D L ) becomes gradually smaller from the top to the bottom. This tapered shape of the abutment holder 51 is In addition to increasing the bonding strength between the abutment holder (51) and the holder joining resin (54), even when the fixture (10) is installed obliquely at a certain angle in the alveolar bone (B), it is attached to the abutment holder (51). It provides the advantage of being able to fix the upper abutment 30.
어버트먼트홀더(51)의 후단부 또는 후단부에는 핀홀(51a)이 상하로 관통되게 형성된다. 따라서 상기 핀홀(51a)을 통해 앵커핀(anker pin)(51b)을 삽입하여 치조골에 결합시킴으로써 어버트먼트홀더(51)를 치조골에 고정할 수 있다. A pinhole 51a is formed to penetrate upward and downward at the rear end or rear end of the abutment holder 51. Therefore, the abutment holder 51 can be fixed to the alveolar bone by inserting an anchor pin (51b) through the pin hole (51a) and coupling it to the alveolar bone.
어버트먼트홀더(51)는 멀티크라운(40) 중 구치부에 해당하는 부분을 고정하며, 멀티크라운(40)의 구치부 부분의 교합면은 수평이 유지되어야 한다. 이에 2개의 어버트먼트홀더(51)를 구강 내에 설치하는 과정에서 캐비티(52) 내에 홀더접합용 레진(54)을 주입하기 전에 2개의 어버트먼트홀더(51)의 수평을 맞추어 설치하기 위하여 수평조정유닛을 사용한다. The abutment holder 51 fixes the portion corresponding to the posterior teeth of the multi-crown 40, and the occlusal surface of the posterior portion of the multi-crown 40 must be maintained horizontal. Accordingly, in the process of installing the two abutment holders (51) in the oral cavity, before injecting the holder bonding resin (54) into the cavity (52), the two abutment holders (51) are placed horizontally in order to be installed horizontally. Use an adjustment unit.
상기 수평조정유닛은, 도 2b에 도시한 것과 같이 'X' 형태로 교차하는 2개의 레벨컨트롤바아(70)로 구성될 수 있다. 상기 레벨컨트롤바아(70)는 2개의 어버트먼트홀더(51)의 전단부 및 후단부를 'X' 형태로 교차하면서 연결하여 수평을 맞출 수 있도록 한 것이다. The horizontal adjustment unit may be composed of two level control bars 70 that intersect in an 'X' shape as shown in FIG. 2B. The level control bar 70 is designed to level the front and rear ends of the two abutment holders 51 by connecting them in an 'X' shape.
이러한 2개의 레벨컨트롤바아(70)에 의해 2개의 어버트먼트홀더(51)는 인체의 구강의 양측 치조골 상에 수평을 유지하면서 장착될 수 있다. By using these two level control bars 70, the two abutment holders 51 can be mounted while maintaining horizontality on the alveolar bones on both sides of the human oral cavity.
상기 2개의 레벨컨트롤바아(70)에는 길이방향을 따라 길게 연장된 장공형의 스크류체결슬릿(71)이 형성되어, 각각의 레벨컨트롤바아(70)의 스크류체결슬릿(71)과 2개의 어버트먼트홀더(51)의 전단부 및 후단부 각각에 형성된 스크류체결공(51c)을 통해 스크류(72)를 체결함으로써 레벨컨트롤바아(70)가 어버트먼트홀더(51)에 착탈이 가능하게 결합될 수 있다. 레벨컨트롤바아(70)는 어버트먼트홀더(51)의 캐비티(52) 내에 홀더접합용 레진(54)을 주입하여 상부 어버트먼트(30)를 어버트먼트홀더(51)에 대해 고정한 후에는 어버트먼트홀더(51)에서 분리된다. A long hole-shaped screw fastening slit 71 extending along the longitudinal direction is formed in the two level control bars 70, and the screw fastening slit 71 of each level control bar 70 and the two abutts The level control bar 70 can be removably coupled to the abutment holder 51 by fastening the screw 72 through the screw fastening hole 51c formed at each of the front and rear ends of the abutment holder 51. You can. After fixing the upper abutment 30 to the abutment holder 51, the level control bar 70 injects the holder joining resin 54 into the cavity 52 of the abutment holder 51. It is separated from the abutment holder (51).
어버트먼트홀더(51)의 전단부에는 전치부 보철물홀더(55)와의 결합을 위한 홀더결합편(53)이 일체로 형성된다. 홀더결합편(53)은 대략 사각판 형태로 되어 어버트먼트홀더(51)의 전단부에 일체로 형성되며, 스크류(59)가 체결되는 복수의 체결공(53a)이 측방으로 관통되게 형성된다. 홀더결합편(53)은 어버트먼트홀더(51)의 중심축선에 일치하게 배치될 수 있지만, 전치부 보철물홀더(55)가 어버트먼트홀더(51)에 동축상으로 결합되도록 어버트먼트홀더(51)의 중심축선에 대해 일정거리 편향된 위치에 배치될 수 있다. 또한 홀더결합편(53)의 체결공(53a)은 동일 수평선상에 배치될 수 있으나, 이 실시예와 같이 상하 및 전후로 간격을 두고 형성되는 것이 결합력을 높이고 변위를 줄이는데 있어서 바람직하다. A holder coupling piece 53 for coupling with the anterior prosthesis holder 55 is integrally formed at the front end of the abutment holder 51. The holder coupling piece 53 has an approximately square plate shape and is formed integrally with the front end of the abutment holder 51, and a plurality of fastening holes 53a into which the screws 59 are fastened are formed to penetrate laterally. . The holder coupling piece 53 may be arranged to coincide with the central axis of the abutment holder 51, but the abutment holder ( 51) can be placed in a position biased at a certain distance relative to the central axis. In addition, the fastening holes 53a of the holder coupling piece 53 may be arranged on the same horizontal line, but it is preferable that they are formed at intervals up and down and front and rear as in this embodiment to increase coupling force and reduce displacement.
전치부 보철물홀더(55)는 멀티크라운(40)의 전치부를 고정하기 위한 것으로, 전치부 보철물홀더(55)는 전방으로 볼록한 아치형태의 바아로 이루어지며, 스테인레스스틸 또는 티타늄 등으로 이루어질 수 있다. 전치부 보철물홀더(55)에는 멀티크라운(40)의 전치부를 고정하기 위한 광경화성 레진 또는 치과용 레진 등의 보철물 접합용 레진이 통과할 수 있는 복수의 관통공(55a)이 배열될 수 있다. 전치부 보철물홀더(55)의 양단부에는 어버트먼트홀더(51)의 홀더결합편(53)의 체결공(53a)과 대응하여 스크류(59)가 체결되는 복수의 홀더체결공(55b)이 관통되게 형성되어 있다. The anterior prosthesis holder 55 is for fixing the anterior part of the multi-crown 40. The anterior prosthesis holder 55 is made of an arch-shaped bar that is convex forward and may be made of stainless steel or titanium. The anterior prosthesis holder 55 may be provided with a plurality of through holes 55a through which resin for prosthesis bonding, such as photocurable resin or dental resin for fixing the anterior teeth of the multi-crown 40, can pass. At both ends of the anterior prosthesis holder 55, a plurality of holder fastening holes 55b into which the screws 59 are fastened correspond to the fastening holes 53a of the holder coupling piece 53 of the abutment holder 51. It is formed.
전치부 보철물홀더(55)는 멀티크라운(40)을 고정하기 위한 보철물 접합용 레진과의 접합력을 높이기 위하여 높이방향 중간부가 두께방향으로 오목한 형태로 이루어질 수 있다.The anterior prosthesis holder 55 may have a height-directed middle portion concave in the thickness direction to increase bonding strength with the prosthesis bonding resin for fixing the multi-crown 40.
멀티크라운(40)은 치아 형태로 된 복수의 보철물(crown)이 일체로 연결된 것으로, 보철물은 지르코니아, 금(Gold), Porcelain 등의 재질로 이루어질 수 있다. 멀티크라운(40)은 치아 중 상악 또는 하악의 전치부에 해당하는 부분과 구치부에 해당하는 부분으로 구성될 수 있으며, 전치부에 해당하는 부분과 구치부에 해당하는 부분은 이 실시예와 같이 일체로 구성될 수 있지만, 이와 다르게 전치부에 해당하는 부분과 구치부에 해당하는 부분이 분할되게 구성될 수도 있다. 멀티크라운(40)은 기성품(ready-made)을 사용할 수 있으며, 이 실시예와 다르게 복수의 보철물(crown)이 서로 일체로 연결된 것을 사용할 수 있지만, 개별 치아 형태로 된 보철물을 사용할 수도 있을 것이다. The multi-crown 40 is a plurality of tooth-shaped prosthesis (crowns) connected as one piece, and the prosthesis may be made of materials such as zirconia, gold, or porcelain. The multi-crown 40 may be composed of a part corresponding to the anterior teeth of the maxilla or mandible and a part corresponding to the posterior teeth, and the part corresponding to the anterior teeth and the part corresponding to the posterior teeth may be formed as an integrated piece as in this embodiment. However, differently, the part corresponding to the anterior teeth and the part corresponding to the posterior teeth may be divided into two parts. The multi-crown 40 may be a ready-made product, and unlike this embodiment, a plurality of prosthetics (crowns) may be integrally connected to each other, but prosthetics in the form of individual teeth may also be used.
멀티크라운(40) 중 전치부에 해당하는 부분은 프레임구조체(50)의 전치부 보철물홀더(55)에 광경화성 레진 또는 치과용 레진 등의 보철물 접합용 레진으로 결합되며, 구치부에 해당하는 부분은 프레임구조체(50)의 어버트먼트홀더(51)에 광경화성 레진 또는 치과용 레진 등의 보철물 접합용 레진으로 결합될 수 있다. 그리고 멀티크라운(40) 중 구치부에 해당하는 부분에는 복수의 상부 어버트먼트(30)에 형성된 상부 나사공(34)과 연통되는 스크류삽입구(42)가 상하로 관통되게 형성되어 있다. The part corresponding to the anterior teeth of the multi-crown 40 is coupled to the anterior prosthesis holder 55 of the frame structure 50 with a resin for bonding prosthetics such as photocurable resin or dental resin, and the part corresponding to the posterior teeth is connected to the frame structure. It may be coupled to the abutment holder 51 of (50) with a resin for bonding prosthesis such as photocurable resin or dental resin. And, in the portion corresponding to the posterior teeth of the multi-crown 40, a screw insertion hole 42 communicating with the upper screw hole 34 formed in the plurality of upper abutments 30 is formed to penetrate upward and downward.
멀티크라운(40)은 보철물 접합용 레진에 의해 프레임구조체(50)에 고정될 수 있지만, 도 3a 및 도 3b에 도시한 것과 같이, 멀티크라운(40)의 구치부에 형성되는 스크류삽입구(42)의 하부의 직경을 록킹스크류(65)의 헤드의 직경보다 작게 하여 록킹스크류(65)의 헤드가 걸리게 하면, 록킹스크류(65)가 멀티크라운(40)을 상부 어버트먼트(30)에 결합할 수 있다. 물론 이 경우에도 멀티크라운(40)의 하부를 보철물 접합용 레진으로도 프레임구조체(50)의 어버트먼트홀더(51)에 고정함으로써 견고한 고정력을 제공할 수 있다. The multi-crown 40 may be fixed to the frame structure 50 by resin for prosthesis bonding, but as shown in FIGS. 3A and 3B, the screw insertion hole 42 formed in the posterior portion of the multi-crown 40 If the diameter of the lower part is made smaller than the diameter of the head of the locking screw (65) and the head of the locking screw (65) is caught, the locking screw (65) can couple the multi-crown (40) to the upper abutment (30). there is. Of course, in this case as well, solid fixing force can be provided by fixing the lower part of the multi-crown 40 to the abutment holder 51 of the frame structure 50 using resin for joining prosthesis.
이러한 구성을 갖는 치과용 임플란트는 다음과 같이 피시술자에게 식립될 수 있다. A dental implant having this configuration can be installed in the recipient as follows.
먼저 환자의 구강에 대한 CT 촬영 및/또는 인상 체득을 통해 구강 형태에 대한 정확한 정보를 획득하고 분석하여 픽스처(10)를 식립할 위치를 파악한다. First, through CT scanning and/or taking an impression of the patient's oral cavity, accurate information about the shape of the oral cavity is obtained and analyzed to identify the location where the fixture 10 will be installed.
구강 내의 전후 및 좌우의 픽스처(10) 식립 위치를 결정하면, 2개의 어버트먼트홀더(51)의 전단부 및 후단부에 X자형으로 교차한 2개의 레벨컨트롤바아(70)를 스크류(72)로 연결하면서 수평을 맞춘다. 이 때 구강의 형태에 따라 2개의 어버트먼트홀더(51)의 위치를 조정한 상태에서 레벨컨트롤바아(70)의 스크류체결슬릿(71)과 2개의 어버트먼트홀더(51)의 전단부 및 후단부에 형성된 스크류체결공(51c)을 맞추어 스크류(72)를 체결한다. Once the placement position of the fixture (10) on the front and back and left and right sides in the oral cavity is determined, two level control bars (70) crossing in an Connect it and level it. At this time, with the positions of the two abutment holders (51) adjusted according to the shape of the oral cavity, the screw fastening slit (71) of the level control bar (70) and the front end of the two abutment holders (51) and The screw 72 is fastened by aligning the screw fastening hole 51c formed at the rear end.
이와 같이 수평이 맞춰진 2개의 어버트먼트홀더(51)를 구강의 양측 구치부 쪽에 배치한 다음, 어버트먼트홀더(51)의 후단부에 형성된 핀홀(51a)을 통해 앵커핀(51b)을 삽입하여 어버트먼트홀더(51)를 구강 내의 정확한 위치에 고정한다. The two abutment holders (51) aligned in this way are placed on the posterior teeth on both sides of the mouth, and then the anchor pin (51b) is inserted through the pinhole (51a) formed at the rear end of the abutment holder (51). Fix the abutment holder (51) at the correct position in the oral cavity.
그리고, 어버트먼트홀더(51)의 캐비티(52)를 통해서 픽스처(10)를 식립할 위치에 드릴을 이용하여 일정 깊이로 구멍을 천공한 다음, 픽스처(10)를 구멍 내측에 나선 결합시켜 단단히 고정한다. 이 실시예에서는 하나의 어버트먼트홀더(51)의 캐비티(52) 내에 2개씩의 픽스처(10)가 식립되지만, 이와 다르게 하나의 어버트먼트홀더(51)의 캐비티(52)에 3개 또는 4개의 픽스처(10)가 식립될 수도 있다. Then, a hole is drilled to a certain depth using a drill at the location where the fixture 10 is to be installed through the cavity 52 of the abutment holder 51, and then the fixture 10 is spirally coupled to the inside of the hole to secure it. Fix it. In this embodiment, two fixtures 10 are installed in the cavity 52 of one abutment holder 51, but differently, three or three fixtures 10 are installed in the cavity 52 of one abutment holder 51. Four fixtures 10 may be installed.
이러한 픽스처(10) 식립 작업 시 어버트먼트홀더(51)를 구강 내에 설치하지 않고 픽스처(10) 식립 작업을 수행할 수도 있을 것이다. When installing the fixture 10, the fixture 10 may be installed without installing the abutment holder 51 in the oral cavity.
복수의 픽스처(10)를 치조골(B)에 모두 식립한 다음, 어버트먼트홀더(51)를 구강 내에서 제거하고, 픽스처(10)에 공지의 힐링캡(healing cap)(미도시)을 결합시켜 골유착 시까지 기다린다. 힐링캡을 씌운 후 상악은 3~6개월 정도, 하악은 1~3개월 정도를 골 유착이 완료될 때까지 유지한다. After all of the plurality of fixtures (10) are installed in the alveolar bone (B), the abutment holder (51) is removed from the oral cavity, and a known healing cap (not shown) is attached to the fixture (10). Wait until osseointegration occurs. After putting on the healing cap, keep it in place for about 3 to 6 months for the upper jaw and 1 to 3 months for the lower jaw until osseointegration is complete.
그리고, 전치부 보철물홀더(55)의 양단부를 구강 내에 장착된 2개의 어버트먼트홀더(51)의 전단부의 홀더결합편(53)에 스크류(59)로 고정하여 프레임구조체(50)를 제작한다. 이 때, 2개의 어버트먼트홀더(51)의 수평을 정확하게 맞추어 구강 내에 장착할 수 있도록 하기 위하여, 전술한 것처럼 X자로 교차하는 2개의 레벨컨트롤바아(70)를 2개의 어버트먼트홀더(51)의 전단부 및 후단부에 스크류(72)로 결합할 수 있다. 레벨컨트롤바아(70)는 어버트먼트홀더(51)를 구강 내에 정확하게 장착한 후에는 스크류를 풀어서 제거된다.Then, the frame structure 50 is manufactured by fixing both ends of the anterior prosthesis holder 55 to the holder coupling pieces 53 at the front ends of the two abutment holders 51 mounted in the oral cavity with screws 59. At this time, in order to accurately level the two abutment holders (51) so that they can be mounted in the oral cavity, two level control bars (70) crossing in an ) can be connected to the front and rear ends with screws (72). The level control bar 70 is removed by loosening the screw after the abutment holder 51 is correctly mounted in the oral cavity.
골 유착이 완료되면, 힐링캡(미도시)을 제거하고, 픽스처(10)에 하부 어버트먼트(20)와 상부 어버트먼트(30)를 차례로 안착시킨 후 상부 어버트먼트(30)의 상부 나사공(34)과 하부 어버트먼트(20)의 하부 나사공(21)을 통해 컨넥팅스크류(60)를 삽입하고, 컨넥팅스크류(60) 하단의 나사산을 픽스처(10)의 암나사홈(12)에 나선 결합하여 픽스처(10)와 하부 어버트먼트(20)와 상부 어버트먼트(30)를 결합시킨다. 그리고, 프레임구조체(50)의 어버트먼트홀더(51)를 구강 내의 구치부의 정위치에 배치한 다음 앵커핀(51b)으로 프레임구조체(50)의 어버트먼트홀더(51)를 구강 내에 고정한다. 이 때 어버트먼트홀더(51)의 캐비티(52) 내에 복수의 픽스처(10)-하부 어버트먼트(20)-상부 어버트먼트(30)의 결합체가 배치된다. When osseointegration is complete, the healing cap (not shown) is removed, the lower abutment 20 and the upper abutment 30 are sequentially seated on the fixture 10, and then the upper part of the upper abutment 30 Insert the connecting screw 60 through the threaded hole 34 and the lower threaded hole 21 of the lower abutment 20, and insert the thread at the bottom of the connecting screw 60 into the female thread groove of the fixture 10 ( 12) to couple the fixture 10, the lower abutment 20, and the upper abutment 30. Then, the abutment holder 51 of the frame structure 50 is placed in the correct position of the posterior teeth in the oral cavity, and then the abutment holder 51 of the frame structure 50 is fixed in the oral cavity with an anchor pin (51b). . At this time, a combination of a plurality of fixtures 10, lower abutment 20, and upper abutment 30 is disposed in the cavity 52 of the abutment holder 51.
이어서 어버트먼트홀더(51)의 캐비티(52) 내에 홀더접합용 레진(54)을 주입하고, 광을 조사하여 홀더접합용 레진(54)을 경화시키면 홀더접합용 레진(54)에 의해 어버트먼트홀더(51)와 하부 어버트먼트(20)들이 고정되어 일체화된다. Next, the holder bonding resin 54 is injected into the cavity 52 of the abutment holder 51, and the holder bonding resin 54 is cured by irradiating light. Then, the holder bonding resin 54 is used to form the abutment. The ment holder 51 and the lower abutment 20 are fixed and integrated.
그런 다음 멀티크라운(40)을 프레임구조체(50)의 정확한 위치에 정렬하여 안착하고, 광경화성 레진 또는 다른 치과용 레진 등의 보철물 접합용 레진을 이용하여 멀티크라운(40)을 프레임구조체(50)에 결합한다. 이 때, 멀티크라운(40)의 구치부에 해당하는 부분은 어버트먼트홀더(51)에 결합되고, 전치부에 해당하는 부분은 전치부 보철물홀더(55)에 결합된다. Then, the multi-crown 40 is aligned and seated at the exact position of the frame structure 50, and the multi-crown 40 is placed on the frame structure 50 using a resin for bonding prosthetics such as photocurable resin or other dental resin. combines with At this time, the part corresponding to the posterior teeth of the multi-crown 40 is coupled to the abutment holder 51, and the part corresponding to the anterior teeth is coupled to the anterior prosthesis holder 55.
끝으로 록킹스크류(65)를 멀티크라운(40)에 형성된 스크류삽입구(42)를 통해 삽입하여 상부 어버트먼트(30)의 록킹나사산(35)에 체결하고, 멀티크라운(40)의 스크류삽입구(42) 상부를 레진을 충전시켜 은폐시키면 임플란트 식립이 완료된다. Finally, the locking screw 65 is inserted through the screw insertion hole 42 formed in the multi-crown 40 and fastened to the locking screw thread 35 of the upper abutment 30, and the screw insertion hole of the multi-crown 40 ( 42) Implant placement is completed by filling the upper part with resin and hiding it.
상술한 것과 같이 본 발명의 멀티유닛 치아 임플란트는 복수의 픽스처(10) 각각에 하부 어버트먼트(20)와 상부 어버트먼트(30)가 결합되고, 상부 어버트먼트(30)가 프레임구조체(50)의 어버트먼트홀더(51)에 홀더접합용 레진(54)으로 결합되어 견고하게 지지된 상태에서 멀티크라운(40)이 어버트먼트홀더(51)에 결합되므로, 무치악 환자의 임플란트 시술이 매우 용이하고 쉽게 이루어질 수 있는 이점이 있다. As described above, in the multi-unit dental implant of the present invention, a lower abutment 20 and an upper abutment 30 are coupled to each of a plurality of fixtures 10, and the upper abutment 30 is a frame structure ( Since the multi-crown 40 is coupled to the abutment holder 51 in a state of being firmly supported by being coupled to the abutment holder 51 of 50 with the resin 54 for holder joining, implant surgery for edentulous patients is possible. It has the advantage of being very easy and easy to accomplish.
전술한 실시예는 구치부 부분에만 픽스처(10)와 하부 어버트먼트(20)와 상부 어버트먼트(30)를 설치하고 어버트먼트홀더(51)에 레진으로 결합하였으나, 도 7 및 도 8에 다른 실시예로 도시한 것과 같이 구강의 전치부에 대응하는 치조골(B)에도 픽스처(10)와 하부 어버트먼트(20)와 상부 어버트먼트(30)를 설치하고, 전치부 보철물홀더(55)의 대략 중앙부에 전치부의 픽스처(10)에 결합된 상부 어버트먼트(30)를 고정하기 위한 전치부 어버트먼트홀더(57)를 추가로 결합할 수도 있을 것이다. In the above-described embodiment, the fixture 10, the lower abutment 20, and the upper abutment 30 were installed only in the posterior portion and were coupled to the abutment holder 51 with resin, but in Figures 7 and 8 As shown in another embodiment, the fixture 10, the lower abutment 20, and the upper abutment 30 are installed in the alveolar bone (B) corresponding to the anterior part of the oral cavity, and the anterior prosthesis holder 55 is installed. An anterior abutment holder 57 for fixing the upper abutment 30 coupled to the anterior tooth fixture 10 may be additionally coupled to approximately the center.
상기 전치부 어버트먼트홀더(57)는 대략 'ㄷ'자 형태로 되어 전치부 보철물홀더(55)의 전방면과의 사이에 상부어버트먼트(30)가 수용되면서 고정되는 공간을 형성한다. 전치부 어버트먼트홀더(57)의 양단부에는 전치부 보철물홀더(55)에 스크류로 결합하기 위한 체결공(57b)이 형성되어 있는 체결편(57a)이 대략 직각으로 절곡되게 형성된다. The anterior abutment holder 57 has an approximately 'L' shape and forms a space in which the upper abutment 30 is accommodated and fixed between the front surface of the anterior prosthesis holder 55. At both ends of the anterior abutment holder 57, fastening pieces 57a having fastening holes 57b for screwing to the anterior prosthesis holder 55 are formed and are bent at approximately a right angle.
도 8에 도시한 것과 같이, 구강의 전치부의 상악 치조골(B)에 식립되는 픽스처(10)는 치아 구조 상 비스듬하게 식립될 수 있다. 이와 같이 픽스처(10)가 비스듬하게 식립되는 경우, 하부 어버트먼트(20)는 픽스처(10)의 암나사홈(12)과 동축상으로 연통되는 하부 나사공(21)이 연직한 축선에 대해 일정 각도로 기울어지게 형성되고, 상부 어버트먼트(30)가 안착되는 상단부에 전치부 멀티크라운(40)의 스크류삽입구(42) 및 상부 어버트먼트(30)의 상부 나사공(34)을 통과하는 록킹스크류(65)가 체결되는 탭홀(23)이 상기 하부 나사공(21)과 소정의 각도를 이루도록 형성된다. As shown in FIG. 8, the fixture 10 installed in the maxillary alveolar bone (B) of the anterior teeth of the oral cavity may be installed obliquely due to the tooth structure. When the fixture 10 is installed obliquely in this way, the lower abutment 20 has a lower threaded hole 21 that communicates coaxially with the female thread groove 12 of the fixture 10 at a constant angle with respect to the vertical axis. It is formed to be inclined at an angle and passes through the screw insertion hole 42 of the anterior multi-crown 40 and the upper screw hole 34 of the upper abutment 30 at the upper end where the upper abutment 30 is seated. The tap hole 23 into which the screw 65 is fastened is formed at a predetermined angle with the lower threaded hole 21.
전치부 어버트먼트홀더(57)와 전치부 보철물홀더(55) 사이의 공간에 수용되는 상부 어버트먼트(30)는 광경화성의 레진에 의해 전치부 어버트먼트홀더(57) 및 전치부 보철물홀더(55)에 고정될 수 있다. The upper abutment (30) accommodated in the space between the anterior abutment holder (57) and the anterior prosthesis holder (55) is made of photocurable resin to form the anterior abutment holder (57) and the anterior prosthesis holder (55). can be fixed to
또한 전치부 보철물홀더(55)는 두께가 상부에서부터 하부까지 일정할 수도 있지만, 보철물 접합용 레진과의 접합 강도를 보다 증대시키기 위하여 도 7 및 도 8에 도시한 것과 같이 전치부 보철물홀더(55)의 두께가 상부에서 하부로 갈수록 더 커지거나, 중앙부의 두께가 상부 및 하부의 두께보다 더 작은 장구 형태의 종단면 형태를 가질 수도 있을 것이다. In addition, the thickness of the anterior prosthesis holder 55 may be constant from the top to the bottom, but in order to further increase the bonding strength with the resin for bonding the prosthesis, the thickness of the anterior prosthesis holder 55 is adjusted as shown in FIGS. 7 and 8. It may become larger from the top to the bottom, or it may have a longitudinal cross-sectional shape in the shape of a sphere where the thickness of the central part is smaller than the thickness of the upper and lower parts.
그리고, 구치부에 배치되는 어버트먼트홀더(51)의 하단부에 리텐션돌기(51d)가 측방향 외측으로 돌출되게 형성되어 홀더 접합용 레진 또는 보철물 접합용 레진과의 접합 강도가 대폭 증대될 수 있다.In addition, a retention protrusion (51d) is formed at the lower end of the abutment holder 51 disposed in the posterior tooth to protrude laterally outward, so that the bonding strength with the resin for bonding the holder or the resin for bonding the prosthesis can be significantly increased. .
이러한 전치부 보철물홀더(55)의 두께 변화에 의한 단면 형태적 특징과 어버트먼트홀더(51) 하단부의 리텐션돌기(51d)는 전술한 첫번째 실시예의 프레임구조체(50)의 전치부 보철물홀더(55)와 어버트먼트홀더(51)에도 동일 또는 유사하게 적용될 수 있음은 물론이다. The cross-sectional shape characteristics due to the change in thickness of the anterior prosthesis holder 55 and the retention protrusion 51d at the lower end of the abutment holder 51 are similar to those of the anterior prosthesis holder 55 of the frame structure 50 of the first embodiment described above. Of course, it can be applied in the same or similar way to the abutment holder 51.
도 9 및 도 10은 프레임구조체(50)의 어버트먼트홀더(51)의 수평을 맞추기 위한 수평조정유닛의 다른 실시예를 나타낸 것으로, 이 실시예에서 수평조정유닛은 양측 어버트먼트홀더(51) 각각의 상측에 끼워지도록 대략 역'U'자형으로 된 2개의 커플링클립(75)과, 양단부가 2개의 커플링클립(75) 각각에 스크류(77)를 통해 착탈 가능하게 결합되는 레벨컨트롤바아(76)를 포함한다. Figures 9 and 10 show another embodiment of the horizontal adjustment unit for leveling the abutment holder 51 of the frame structure 50. In this embodiment, the horizontal adjustment unit is installed on both abutment holders 51. ) A level control in which two coupling clips (75) are roughly in an inverted 'U' shape to be inserted into each upper side, and both ends are detachably attached to each of the two coupling clips (75) through screws (77). Includes Baa (76).
커플링클립(75)은 어버트먼트홀더(51)의 폭과 대응하는 간격으로 이격된 2개의 측면판(75a)과, 2개의 측면판(75a)의 상단부를 연결하는 상부연결판(57b)와, 2개의 측면판(75a) 중 구강 내측에 위치하는 측면판(75a)의 상부에 L자형으로 연장되게 형성되며 상기 스크류(77)가 체결되는 체결보스(75d)가 형성되어 있는 체결판(75c)을 포함한다. The coupling clip 75 includes two side plates 75a spaced apart at an interval corresponding to the width of the abutment holder 51, and an upper connection plate 57b connecting the upper ends of the two side plates 75a. And, of the two side plates (75a), a fastening plate (75a) is formed to extend in an L shape on the upper part of the side plate (75a) located inside the oral cavity and has a fastening boss (75d) to which the screw (77) is fastened ( 75c).
그리고 레벨컨트롤바아(76)는 길이방향을 따라 스크류체결슬릿(71)이 길게 형성된 바아로 이루어진다. And the level control bar 76 is made of a bar with a long screw fastening slit 71 formed along the longitudinal direction.
따라서 도 10에 도시한 것과 같이 2개의 커플링클립(75)을 양측 어버트먼트홀더(51) 각각의 상측에 끼워 넣은 후, 레벨컨트롤바아(76)의 스크류체결슬릿(71)을 커플링클립(75)의 체결보스(75d)에 일치시켜 스크류(77)를 체결함으로써 2개의 어버트먼트홀더(51)의 수평을 맞추어 구강 내에 설치할 수 있다.Therefore, as shown in Figure 10, after inserting the two coupling clips 75 into the upper side of each abutment holder 51 on both sides, the screw fastening slit 71 of the level control bar 76 is connected to the coupling clip. By tightening the screw 77 in line with the fastening boss 75d of (75), the two abutment holders 51 can be leveled and installed in the oral cavity.
이상에서 본 발명은 실시예를 참조하여 상세히 설명되었으나, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 상기에서 설명된 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 부가 및 변형이 가능할 것임은 당연하며, 이와 같은 변형된 실시 형태들 역시 아래에 첨부한 특허청구범위에 의하여 정하여지는 본 발명의 보호 범위에 속하는 것으로 이해되어야 할 것이다.In the above, the present invention has been described in detail with reference to examples, but those skilled in the art will be able to make various substitutions, additions, and modifications without departing from the technical spirit described above. It is natural, and such modified embodiments should also be understood as falling within the scope of protection of the present invention as defined by the patent claims attached below.
본 발명은 사람의 구강 내의 치조골에 식립되는 치과용 임플란트에 적용될 수 있다. The present invention can be applied to dental implants installed in the alveolar bone in the human oral cavity.

Claims (10)

  1. 치조골에 식립되어 고정되며, 상단부에 결합홈이 오목하게 형성되고, 상기 결합홈의 하단부에 내주면에 나사산이 형성된 암나사홈이 연통되게 형성되어 있는 복수의 픽스처;A plurality of fixtures that are installed and fixed in the alveolar bone, have a concave coupling groove formed at the upper end, and have female threaded grooves formed on the inner peripheral surface of the lower end of the coupling groove in communication with each other;
    하부가 상기 복수의 픽스처 각각의 결합홈 내측으로 삽입되어 결합되며, 상부면이 평면으로 이루어지고, 상기 암나사홈과 동축상으로 하부 나사공이 상하방향으로 관통되게 형성되어 있는 복수의 하부 어버트먼트(lower abutment);A plurality of lower abutments, the lower part of which is inserted and coupled into the coupling groove of each of the plurality of fixtures, the upper surface of which is flat, and the lower screw hole is formed coaxially with the female screw groove to penetrate in the vertical direction ( lower abutment);
    하부면이 상기 복수의 하부 어버트먼트 각각의 상부면과 나란한 평면으로 되어 하부 어버트먼트의 상부면에 안착되며, 상부 나사공이 상하방향으로 관통되게 형성되어 있는 복수의 상부 어버트먼트(upper abutment);A plurality of upper abutments, the lower surface of which is a plane parallel to the upper surface of each of the plurality of lower abutments, is seated on the upper surface of the lower abutment, and the upper screw hole is formed to penetrate in the vertical direction. );
    상기 상부 어버트먼트의 상부 나사공과 하부 어버트먼트의 하부 나사공을 통과하여 상기 픽스처의 암나사홈에 나선 결합되면서 픽스처와 하부 어버트먼트와 상부 어버트먼트를 상호 결합하는 컨넥팅스크류; A connecting screw that passes through the upper screw hole of the upper abutment and the lower screw hole of the lower abutment and is spirally coupled to the female thread groove of the fixture, thereby coupling the fixture, the lower abutment, and the upper abutment to each other;
    상기 상부 어버트먼트가 수용되는 캐비티가 상하로 개방되게 형성되어 있는 어버트먼트홀더(abutment holder)와, 상기 어버트먼트홀더의 캐비티 내측에 주입되어 상부 어버트먼트를 어버트먼트홀더에 대해 고정하는 홀더접합용 레진을 포함하는 프레임구조체(framework); 및,An abutment holder in which the cavity in which the upper abutment is accommodated is formed to be open up and down, and an abutment holder that is injected into the cavity of the abutment holder to fix the upper abutment to the abutment holder. A frame structure containing a resin for bonding a holder; and,
    상기 복수의 상부 어버트먼트 각각의 상부 나사공과 대응하는 복수의 관통공이 형성되고, 상기 프레임구조체 상에 안착된 상태에서 보철물 접합용 레진에 의해 프레임구조체에 결합되는 복수의 치아 형태로 된 멀티크라운(multi-crown); A plurality of through holes corresponding to the upper screw holes of each of the plurality of upper abutments are formed, and a multi-crown in the form of a plurality of teeth is coupled to the frame structure by resin for prosthesis bonding while seated on the frame structure ( multi-crown);
    을 포함하는 멀티유닛 치아 임플란트.A multi-unit dental implant comprising a.
  2. 제1항에 있어서, 상기 프레임구조체의 어버트먼트홀더는 전후방향으로 긴 트랙(track) 또는 타원 형태의 캐비티를 가지며, 2개가 인체의 구강의 양측 구치부 위치에 배치되어 구치부의 치조골에 설치되는 복수의 상부 어버트먼트를 동시에 수용하면서 멀티크라운의 구치부 부분과 각각 결합되는 멀티유닛 치아 임플란트. According to claim 1, wherein the abutment holder of the frame structure has a long track or an oval-shaped cavity in the front-back direction, and two of them are disposed at the posterior teeth on both sides of the human oral cavity and are installed in the alveolar bone of the posterior teeth. A multi-unit dental implant that simultaneously accommodates the upper abutment and is combined with the posterior portion of the multi-crown.
  3. 제2항에 있어서, 상기 프레임구조체는, 전방으로 볼록한 아치 형태로 되어 양단부가 2개의 어버트먼트홀더의 전단부에 결합되며, 상기 멀티크라운 중 인체의 구강의 전치부에 해당하는 부분과 결합되는 전치부 보철물홀더(Anterior teeth Holder)를 더 포함하는 멀티유닛 치아 임플란트.According to claim 2, wherein the frame structure has a forward convex arch shape and both ends are coupled to the front ends of the two abutment holders, and the anterior teeth are coupled to the portion corresponding to the anterior teeth of the human oral cavity among the multi-crowns. A multi-unit dental implant further including a prosthesis holder (Anterior teeth Holder).
  4. 제3항에 있어서, 상기 프레임구조체는, 상기 전치부 보철물홀더에 결합되어 구강의 전치부에 대응하는 치조골에 식립되는 픽스처에 결합된 상부 어버트먼트를 수용하면서 고정하는 'ㄷ'자 형태로 된 전치부 어버트먼트홀더를 더 포함하는 멀티유닛 치아 임플란트.According to claim 3, wherein the frame structure is coupled to the anterior prosthesis holder and has an anterior tooth structure in the shape of 'ㄷ' that accommodates and fixes an upper abutment coupled to a fixture installed in the alveolar bone corresponding to the anterior teeth of the mouth. A multi-unit dental implant further comprising a butt holder.
  5. 제2항에 있어서, 상기 2개의 어버트먼트홀더의 캐비티 내에 홀더접합용 레진을 주입하기 전에, 환자의 구강 형태에 따라 2개의 어버트먼트홀더의 수평 상태를 맞추어 설치하기 위해 2개의 어버트먼트홀더를 연결하는 수평조정유닛을 더 포함하는 멀티유닛 치아 임플란트.According to claim 2, before injecting the holder bonding resin into the cavity of the two abutment holders, two abutment holders are installed in a horizontal state according to the shape of the patient's mouth. A multi-unit dental implant further comprising a horizontal adjustment unit connecting the holders.
  6. 제5항에 있어서, 상기 수평조정유닛은, 길이방향을 따라 장공형의 스크류체결슬릿이 형성되어 있으며 2개의 어버트먼트홀더의 전단부와 후단부를 'X' 형태로 교차하면서 연결하는 2개의 레벨컨트롤바아와, 상기 레벨컨트롤바아의 스크류체결슬릿과 2개의 어버트먼트홀더의 전단부 및 후단부 각각에 형성된 스크류체결공을 통해 체결되면서 2개의 레벨컨트롤바아를 2개의 어버트먼트홀더의 전단부 및 후단부에 결합하는 스크류를 포함하는 멀티유닛 치아 임플란트.According to claim 5, wherein the horizontal adjustment unit is formed with a long hole-shaped screw fastening slit along the longitudinal direction and has two levels that intersect and connect the front and rear ends of the two abutment holders in an 'X' shape. The control bar is fastened through the screw fastening slit of the level control bar and the screw fastening hole formed at the front and rear ends of the two abutment holders, respectively, so that the two level control bars are connected to the front end of the two abutment holders. and a multi-unit dental implant comprising a screw coupled to the posterior end.
  7. 제5항에 있어서, 상기 수평조정유닛은, 2개의 어버트먼트홀더 각각의 상측에 끼워지도록 역'U'자형으로 이루어지고 일측부에 스크류가 체결되는 체결보스가 형성되어 있는 2개의 커플링클립과, 길이방향을 따라 장공형의 스크류체결슬릿이 형성되어 상기 스크류체결슬릿의 양단부와 상기 2개의 커플링클립의 체결보스를 통해 체결되는 스크류에 의해 커플링클립에 착탈 가능하게 결합되는 레벨컨트롤바아를 포함하는 멀티유닛 치아 임플란트.The method of claim 5, wherein the horizontal adjustment unit is formed in an inverted 'U' shape to be inserted into the upper side of each of the two abutment holders, and has two coupling clips having a fastening boss on one side to which a screw is fastened. And, a level control bar in which a long screw fastening slit is formed along the longitudinal direction and is detachably coupled to the coupling clip by a screw fastened through both ends of the screw fastening slit and the fastening bosses of the two coupling clips. A multi-unit dental implant comprising a.
  8. 제1항에 있어서, 상기 하부 어버트먼트의 상단부 테두리에 상측으로 돌출된 복수의 회전방지돌기가 원주방향을 따라 일정 간격으로 배열되며, The method of claim 1, wherein a plurality of rotation prevention protrusions protruding upward from the upper edge of the lower abutment are arranged at regular intervals along the circumferential direction,
    상기 상부 어버트먼트는, 상기 프레임구조체의 어버트먼트홀더의 내측에 수용되어 고정되는 기둥 형태의 홀더결합부와, 상기 홀더결합부의 하단부에 일체로 형성되어 하부 어버트먼트의 상단부에 안착되는 베이스부와, 상기 베이스부의 하단부 테두리에 원주방향으로 일정 간격으로 배열되어 상기 하부 어버트먼트의 회전방지돌기 사이사이에 배치되는 록킹플랜지를 포함하는 멀티유닛 치아 임플란트.The upper abutment includes a column-shaped holder coupling portion that is received and fixed inside the abutment holder of the frame structure, and a base that is integrally formed at the lower end of the holder coupling portion and is seated on the upper end of the lower abutment. A multi-unit dental implant including a portion and a locking flange arranged at regular intervals in the circumferential direction on the lower edge of the base portion and disposed between rotation prevention protrusions of the lower abutment.
  9. 제8항에 있어서, 상기 상부 어버트먼트의 홀더결합부의 외경은 상부에서 하부로 갈수록 점차적으로 작아지는 콘(cone) 형태로 된 멀티유닛 치아 임플란트.The multi-unit dental implant according to claim 8, wherein the outer diameter of the holder coupling portion of the upper abutment has a cone shape that gradually becomes smaller from the top to the bottom.
  10. 제1항 또는 제2항에 있어서, 상기 어버트먼트홀더의 캐비티는 상부에서 하부로 갈수록 그 폭이 점차적으로 작아지게 테이퍼진 형태를 갖는 멀티유닛 치아 임플란트.The multi-unit dental implant according to claim 1 or 2, wherein the cavity of the abutment holder has a tapered shape whose width gradually decreases from the top to the bottom.
PCT/KR2023/004387 2022-04-20 2023-03-31 Multi-unit tooth implant WO2023204480A1 (en)

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