WO2021125405A1 - Ensemble dent artificielle personnalisé - Google Patents

Ensemble dent artificielle personnalisé Download PDF

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Publication number
WO2021125405A1
WO2021125405A1 PCT/KR2019/018195 KR2019018195W WO2021125405A1 WO 2021125405 A1 WO2021125405 A1 WO 2021125405A1 KR 2019018195 W KR2019018195 W KR 2019018195W WO 2021125405 A1 WO2021125405 A1 WO 2021125405A1
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WO
WIPO (PCT)
Prior art keywords
implant
crown
tooth
abutment
connector
Prior art date
Application number
PCT/KR2019/018195
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English (en)
Korean (ko)
Inventor
이상화
Original Assignee
가톨릭대학교 산학협력단
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 가톨릭대학교 산학협력단 filed Critical 가톨릭대학교 산학협력단
Priority to PCT/KR2019/018195 priority Critical patent/WO2021125405A1/fr
Publication of WO2021125405A1 publication Critical patent/WO2021125405A1/fr

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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

Definitions

  • the present invention relates to a customized artificial tooth unit, and more specifically, it is possible to make customized products reflecting the arrangement state or formation angle of the teeth, etc., and to make the most of the commercialized ready-made products and to use only the parts requiring personal customization in combination with the ready-made products. It relates to a customized artificial tooth unit with an improved structure so that surgery can be performed without replacing the implant placed in the alveolar bone even if the dental state changes over time.
  • artificial teeth used for restoration of damaged teeth include implants, abutments, and crowns.
  • the implant means a fixture to be placed in the alveolar bone so as to support the crown for restoration of a missing tooth to the alveolar bone, and the abutment is, for connection between the implant and the crown, the implant It means a column coupled to the crown, which means that the crown is manufactured in a shape similar to the patient's teeth.
  • the conventional manufacturing method of molding an implant with a 3D printer it does not reflect close data on how the root part and the crown part (H) of the tooth are positioned in the XYZ three-dimensional space (see Fig. 1),
  • the commercialized ready-made abutment is formed by uniformly forming a screw groove to be combined with the abutment on the implant, and realizing the occlusion and angle between the components through the adjustment of the implant placement position, the abutment and the crown shape. and screws could not be used, and there was a problem in that an abutment and a screw of a new standard had to be separately manufactured.
  • the present applicant has developed a technology such as registration number 10-1744447 (refer to FIG. 2). That is, according to the artificial tooth unit shown in FIG. 2, the angles of the screw grooves 12a, 12b, 12c, and 12d formed in the implant 10 are individually customized by the 3D printing method. It enables the production of customized artificial teeth in consideration of different dental conditions for each person and enables the use of ready-made abutments 20 and screws S.
  • Reference numeral 30 in the drawings denotes a crown having a shape corresponding to the crown portion of the tooth.
  • the present invention has been devised by the above necessity, and the object of the present invention is to enable customized production reflecting the arrangement state or formation angle of teeth, etc., and to separately produce only the parts that require individual customization and the remaining components are commercialized ready-made products This is to provide a customized artificial tooth unit that does not require replacement of implants placed in the alveolar bone even if the dental condition changes over time.
  • a customized artificial tooth unit according to the present invention for achieving the above object is a part to be placed on an extraction tooth and a part in order to reproduce the root part of the tooth, and an implant having a fastening groove formed therein; a connector coupled to the implant through the fastening groove and having an angle adjustment groove formed thereon to have an inclination according to the degree of inclination in a three-dimensional space between the crown portion and the root portion of the tooth; A portion for reproducing the crown portion of the tooth, the crown connected to the implant; and an abutment disposed between the connector and the crown, one end coupled to the angle adjustment groove of the connector and the other end coupled to the crown to connect the implant and the crown.
  • the fastening groove of the implant is preferably formed along an axis inclined at a predetermined angle with respect to the central axis.
  • the abutment may include a first coupling part coupled to the connector and a second coupling part extending at an inclined angle with respect to the first coupling part and coupled to the crown.
  • the customized artificial tooth unit according to the present invention having the configuration as described above reflects the inclination between the implant and the abutment, which varies depending on the arrangement state or the formation angle of different teeth for each person, in the angle adjustment groove of the connector. It enables the production of personalized artificial teeth, and allows the production of artificial teeth only with ready-made products without the use of a connector, or if the use of a connector is selectively required, the implant and other components other than the connector By allowing the butt and screw to be used as ready-made products, it has the effect of improving the convenience of the procedure and reducing costs.
  • the customized artificial tooth unit according to an embodiment of the present invention even when replacement of the implant is required according to the change of the dental structure after the implant is placed in the tooth extraction and part, only by replacing the connector instead of replacing the implant. It also enables a procedure corresponding to the changed dental structure to provide high-quality medical services.
  • 1 is a view for showing the arrangement of different teeth for each person.
  • Figure 2 is a view for explaining the artificial tooth unit according to the prior art.
  • Figure 3 is a view for explaining the structure and advantages of a customized artificial tooth unit according to an embodiment of the present invention.
  • FIG. 4 is a view for explaining various usage examples of an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a customized artificial tooth unit according to another embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of a customized artificial tooth unit according to another embodiment of the present invention.
  • FIG 3 is a view for explaining the structure and advantages of a customized artificial tooth unit according to an embodiment of the present invention
  • Figures 4 and 5 are views for explaining various examples of use of an embodiment of the present invention.
  • the customized artificial tooth unit enables customized fabrication by reflecting the arrangement state or formation angle of different teeth for each person, and the implant 1 and the connector body (2) and a crown (4) and abutment (3).
  • the implant (1) is a part to be placed on the tooth extraction and part in order to reproduce the root part of the tooth, and a fastening groove 11 for fastening with a screw as shown in (a) of FIG. 3 or (b) of FIG.
  • a fastening groove 11 for fastening with the connecting body 2 is formed.
  • the customized artificial tooth unit requires a procedure in which the implant 1 and the abutment 3 are tilted according to different dental conditions for each person as shown in FIG. 3 (b).
  • the connector 2 for reflecting the inclination is coupled to the fastening groove 11 of the implant 1 to manufacture a personalized artificial tooth, and as shown in FIG. 3(a), the implant 1 ) and the abutment (3') are not inclined and if the procedure is required at the same angle, the artificial tooth can be manufactured only with the ready-made implant (1) and the abutment (3') without the use of the connector (2).
  • the connecting body 2 is different from (a) of FIG. 3 when a procedure is required with the implant 1 and the abutment 3 inclined at a specific angle as shown in FIG. 3 (b).
  • an angle adjustment groove 21 coupled to the implant 1 through the fastening groove 11 and having an inclination according to the degree of inclination in the three-dimensional space between the crown portion and the root portion of the tooth is provided. is formed
  • connection body 2 may be implemented by various methods such as a 3D printing method, a method such as extrusion or injection, or a milling process.
  • image information about the alveolar bone and the tooth image is obtained by a photographing means such as CT, but the inclination information generated according to the degree of inclination of the crown part and the root part of the tooth in the XYZ three-dimensional space.
  • the 3D printer After generating modeling data for output based on the image information acquired together with the image information, the 3D printer enables the production of the connector 2 reflecting the inclination according to different dental conditions for each person, so that individual customization is possible. The advantage of being able to smoothly manufacture artificial teeth is expected.
  • the implant 1 and the abutment 3 have the same axis line as shown in FIG. 4 .
  • the connector (2) having the angle adjustment groove (21)
  • the crown 4 is a part for reproducing the crown portion of the tooth, and is connected to the implant 1 .
  • the crown 4 is connected to the implant 1 through the abutment 3 , but in this embodiment, the crown 4 is connected to the implant 1 through the abutment 3 and the connector 2 . do.
  • the abutment (3) is disposed between the connecting body (2) and the crown (4), one end is coupled to the angle adjustment groove (21) of the connecting body (2) and the other end is the crown (4) By being coupled to the implant (1) and the crown (4) is connected.
  • the customized artificial tooth unit according to an embodiment of the present invention having such a configuration is a connecting body for the inclination between the implant 1 and the abutment 3, which varies depending on the arrangement state or the formation angle of different teeth for each person.
  • a personalized artificial tooth and as shown in FIGS. 4 (a) and (b), artificial teeth only with a ready-made product without using the connector (2)
  • FIGS. 5 (a) and (b) show the implant 1, which is the remaining component except the connector 2, and
  • the abutment 3 and the screw can be used as ready-made products so that convenience and cost reduction can be expected.
  • the customized artificial tooth unit according to an embodiment of the present invention replaces the implant (1) even when replacement of the implant (1) is required according to a change in the dental structure after the implant (1) is placed on the tooth extraction and part. Instead, it is possible to perform a procedure corresponding to the changed dental structure only by replacing the connector 2 , thereby deriving the advantage of enabling the provision of high-quality medical services.
  • FIG. 6 is a cross-sectional view of a customized artificial tooth unit according to another embodiment of the present invention.
  • the first coupling part 301 is formed at an inclined angle with respect to the second coupling part 302 .
  • the abutment 300 is formed to extend at an inclined angle with respect to the first coupling part 301 coupled to the coupling body 200 and the first coupling part 301 and coupled to the crown. It is made to include a second coupling portion (302).
  • the implant 100 and the connector 200 are As it enables additional inclination adjustment by the abutment 300 in addition to the inclination adjustment by the abutment 300, the design is so that the implant 100 and the abutment 300 are tilted so large that they cannot be implemented by the conventional treatment method. Even in the case of a required tooth, a high-level artificial tooth operation is smoothly performed through the inclination adjustment using the fastening groove 101 of the implant 100, the angle adjustment groove 201 of the connector 200, and the abutment 300. make it do
  • FIG. 7 is a cross-sectional view of a customized artificial tooth unit according to another embodiment of the present invention.
  • the fastening groove 501 of the embodiment described above is formed straight without being inclined with respect to the central axis of the implant 500 , but with respect to the central axis of the implant 500 . It is formed along an axis inclined at a certain angle.
  • the implant 500 and the abutment 600 are relatively Even in the case of a tooth that requires a design to be arranged at a large inclination, it enables a smooth operation through tilt adjustment using the fastening groove 501 of the implant 500 and the angle adjustment groove 601 of the connector 600 .

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne un ensemble dent artificielle personnalisé. L'ensemble dent artificielle personnalisé selon la présente invention est caractérisé en ce qu'il comprend : un implant qui comporte une rainure de fixation et qui est une partie destinée à être implantée dans une partie alvéole d'extraction afin de reproduire la partie racine d'une dent ; un corps de liaison qui est accouplé à l'implant par l'intermédiaire de la rainure de fixation et qui possède une rainure de régulation d'angle présentant une pente selon le degré d'inclinaison dans un espace tridimensionnel entre la partie couronne et la partie racine de la dent ; une couronne qui correspond à une partie permettant de reproduire la partie couronne de la dent et qui est reliée à l'implant ; et une butée qui est disposée entre le corps de liaison et la couronne, et qui comporte un côté accouplé à la rainure de régulation d'angle du corps de liaison et l'autre côté accouplé à la couronne, reliant ainsi l'implant et la couronne.
PCT/KR2019/018195 2019-12-20 2019-12-20 Ensemble dent artificielle personnalisé WO2021125405A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2019/018195 WO2021125405A1 (fr) 2019-12-20 2019-12-20 Ensemble dent artificielle personnalisé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2019/018195 WO2021125405A1 (fr) 2019-12-20 2019-12-20 Ensemble dent artificielle personnalisé

Publications (1)

Publication Number Publication Date
WO2021125405A1 true WO2021125405A1 (fr) 2021-06-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/018195 WO2021125405A1 (fr) 2019-12-20 2019-12-20 Ensemble dent artificielle personnalisé

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Country Link
WO (1) WO2021125405A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090298013A1 (en) * 2008-05-27 2009-12-03 Daniel Baruc Inclined dental abutment assembly device
JP4801318B2 (ja) * 2002-11-13 2011-10-26 バイオメット・３アイ・エルエルシー デンタルインプラント
US20120322030A1 (en) * 2010-02-18 2012-12-20 Alpha Bio Tec Ltd. Modular abutment system for tilted dental implants
KR101380919B1 (ko) * 2013-05-08 2014-04-02 (주) 세원메딕스 지대주 및 이를 포함하는 치아 임플란트 장치
KR20180072623A (ko) * 2018-06-15 2018-06-29 가톨릭대학교 산학협력단 맞춤형 인공치아
KR20200003466A (ko) * 2018-07-02 2020-01-10 가톨릭대학교 산학협력단 맞춤형 인공치아 유닛

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4801318B2 (ja) * 2002-11-13 2011-10-26 バイオメット・３アイ・エルエルシー デンタルインプラント
US20090298013A1 (en) * 2008-05-27 2009-12-03 Daniel Baruc Inclined dental abutment assembly device
US20120322030A1 (en) * 2010-02-18 2012-12-20 Alpha Bio Tec Ltd. Modular abutment system for tilted dental implants
KR101380919B1 (ko) * 2013-05-08 2014-04-02 (주) 세원메딕스 지대주 및 이를 포함하는 치아 임플란트 장치
KR20180072623A (ko) * 2018-06-15 2018-06-29 가톨릭대학교 산학협력단 맞춤형 인공치아
KR20200003466A (ko) * 2018-07-02 2020-01-10 가톨릭대학교 산학협력단 맞춤형 인공치아 유닛

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