CN203226912U - Artificial tooth implantation structure - Google Patents
Artificial tooth implantation structure Download PDFInfo
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- CN203226912U CN203226912U CN 201320256536 CN201320256536U CN203226912U CN 203226912 U CN203226912 U CN 203226912U CN 201320256536 CN201320256536 CN 201320256536 CN 201320256536 U CN201320256536 U CN 201320256536U CN 203226912 U CN203226912 U CN 203226912U
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- tooth body
- implantation
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Abstract
The utility model relates to an artificial tooth implantation structure which comprises a tooth implantation body (10), a screw locking component (50) and a tooth socket member (40), wherein the tooth implantation body (10) is provided with an implantation part (11), a top connection part (12) and an auxiliary fixing part (13) arranged between the implantation part (11) and the top connection part (12); the tooth socket member (40) is provided with a containing space (41) for containing and matched with the screw locking component (50) and an auxiliary support part (42) matched and connected with the auxiliary fixing part (13); an external thread is arranged at the upper end of the screw locking component (50); an internal thread matched with the external thread arranged at the upper end of the screw locking component (50) is arranged in the tooth socket member (40) so as to realize threaded connection between the tooth socket member (40) and the screw locking component (50); and the tooth implantation body (10) is a porous member with porosity of 60-70%. The artificial tooth implantation structure provided by the utility model perfectly avoids occlusion interference and has the advantages of simple structure, high strength and good biocompatibility; and the service life is prolonged.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments of artificial implantation, relates to a kind of dental structure of manually planting especially.
Background technology
Tooth health is quite important, but now people also cause the situation of periodontal disease, decayed tooth to take place because be negligent of the every day cleaning teeth at ordinary times because busy and ignore maintenance regularly.And when the situation of decayed tooth serious, just must pull out tooth and artificial tooth is installed, artificial tooth can be divided into fixed artificial tooth and movable artificial tooth, fixed artificial tooth directly sticks together artificial tooth on root of the tooth, this mode must be based upon root of the tooth still under the quite healthy situation; Perhaps artificial tooth is cooperated the tooth of front and back position to cast one group of detachable dental prostheses and fix, and the use of detachable dental prostheses easily make adjacent teeth tilt and cap product residue and cause bacteria breed.And the set detachable dental prostheses of aforesaid way all supports with the mucosa of dental bed, when crunching food, strength can't be reached jawbone, thereby can't utilize artificial tooth that harder food is chewed, and is its major defect.
Along with the technical development of " manually planting tooth " is gradually ripe and stable, manually planting tooth utilizes the artificial tooth root of the high titanium of bio-compatibility to insert fixing and stitching in the teeth groove earlier, and through after treating after several months that the interior bone of artificial tooth root and teeth groove is connected firmly, carry out the action of subsequent installation artificial tooth again.Because artificial tooth root directly is connected with bone, thereby preferable support force can be provided, and can chew and very popular harder food.And manually plant tooth plant that the tooth build can be divided into single-piece or multi-piece type is planted the tooth body, single-piece plants the tooth body such as United States Patent (USP) discloses No. 2010/0119993 " Dental Implant ", the structure that single-piece is planted the tooth body is directly inserted behind the bone groove fixing, after treating several months, this single-piece is planted tooth body and bone groove and is carried out bone when integrating fixedly, carries out molding again and then directly sheathed this single-piece that is fixed in of artificial tooth is planted on the tooth body.When being to implant, the advantage of aforesaid way plants the less-restrictive of the body degree of depth, and it is comparatively firm to plant the tooth body, easy fracture not, but its shortcoming is single-piece and plants the tooth body behind the implantable bone groove, having this single-piece of part plants the tooth body and protrudes from outside the soft tissue (soft tissue), in waiting between the bone integration period, this single-piece is planted the tooth body easily because the interlock of dental implant surgical person when chewing on things disturbed, the undercapacity that causes bone to integrate, the steadiness behind the tooth is planted in influence, in addition, single-piece is planted the tooth body and also can't be cooperated with other external member again, and the programmable space of artificial tooth is less.
Multi-piece type is planted the tooth body and is then disclosed No. 2008/0160483 " Dental Implant " as United States Patent (USP), multi-piece type is planted the tooth body and then will be planted the tooth body and be divided into implant (enossal implant) and coronal (coronal portion), earlier implant is implanted in the bone groove when planting tooth, and make this implant not protrude from epidermis bone (corticalbone) layer in the bone groove, be coated with one deck soft tissue (soft tissue) layer on the epidermis bone layer, just be the oral cavity on this soft tissue layer, so this implant can not be subjected to the interlock interference after implanting.And treat implant and bone groove carry out bone integrate fixing after, go this soft tissue layer of surgical incision and be fixed on this implant this coronal is sealed again, carry out molding at last and artificial tooth is fixed in protrudes on the outer coronal of this soft tissue layer.The advantage of this mode is effectively to avoid the problem of interlock interference, and this coronal can carry out various design on the other hand, and can cooperate different artificial teeth designs to make up fixing.But it is must be accurately sealed and cut and put down on epidermis bone layer, in order to the joint of follow-up coronal that its shortcoming is this implant.For instance, if this implant too locks this epidermis bone layer, then between the bone integration period in, this implant might be subjected to the covering slightly of this epidermis bone layer, and causes the difficulty of follow-up this coronal of joint.An other shortcoming is that structural strength is relatively poor, because this coronal major part is fixed on this implant by the mode of screw lock, and this coronal is arranged in this soft tissue layer, the support force that causes this coronal horizontal direction is comparatively not enough, thereby the shearing that is subjected to horizontal direction when coronal easily has the problem of screw lock structural break when exerting pressure, in case screw lock structural break, remaining spiral lock still is locked in this implant, takes out to be difficult for, thereby repairs quite difficulty.And in the prior art, manually plant selecting for use of dental structure and arrange with structure and all to have certain defective, cause and manually plant dental structure and use back and tissue can occur repelling for a long time, biocompatibility is relatively poor and influence its service life.
The utility model content
The purpose of this utility model is to provide a kind of dental structure of manually planting, and this is manually planted dental structure and can be avoided being subjected to interlock preferably disturb in planting the tooth process, and is simple in structure, intensity is higher, and has excellent biological compatibility concurrently, prolonged service life.
The purpose of this utility model is achieved in that
A kind of dental structure of manually planting, it includes plants tooth body, screw lock module and facing spare; This is planted the tooth body and has implantation portion, top-joining part, and is arranged at the auxiliary retention portion between this implantation portion and this top-joining part; This facing spare has ccontaining and cooperates the accommodation space of this screw lock module, and the supplemental support portion of this auxiliary retention portion that is connected; Described screw lock module upper end is provided with external screw thread, and the female thread that the external screw thread that described facing spare inside is provided with this screw lock module upper end arranges cooperates is to realize being threaded of the two; The described tooth body of planting is selected the porous product for use, and its porosity is 60 ~ 70%.
The above-mentioned tooth body of planting preferably adopts the porous tantalum product.When finding that through studying for a long period of time the porous tantalum product has improved this greatly and manually plants the biocompatibility of dental structure, also well satisfied its mechanical property, improved its service life greatly and implanted comfort level.Above-mentioned porous tantalum product can adopt preparations such as foam dipping method, die pressing.
Further, the outer surface of this implantation portion has a thread segment.
Further, this top-joining part has the screw lock groove that extends toward this auxiliary retention portion, and above-mentioned screw lock module is by the sealed top-joining part of planting on the tooth body that is fixed in of this screw lock groove.
Bone bed is fixed in above-mentioned implantation portion, and the epidermis bone layer that is positioned at this bone bed surface, and this auxiliary retention portion then is fixed in and is positioned at this epidermis bone layer away from the soft tissue layer of this bone bed one side.
Characteristics of the present utility model are: utilize this facing spare to coat this screw lock module fully, and cooperate the supplemental support portion of this facing spare by protruding from this outer auxiliary retention portion of this epidermis bone layer, strengthened the support force of the horizontal direction of this screw lock module, reduced that this screw lock module is subjected to the effect of horizontal shear and the probability that ruptures.And be set to the porous tantalum product by planting the tooth body, improved this greatly and manually planted the biocompatibility of dental structure, also well satisfied its mechanical property simultaneously, improved its service life greatly and implanted comfort level.
Description of drawings
Fig. 1 is for manually planting the STRUCTURE DECOMPOSITION sketch map of dental structure described in this utility model embodiment 1.
Fig. 2 is for manually planting the syndeton sketch map of planting the tooth body of dental structure described in Fig. 1.
Fig. 3 is for manually planting the syndeton sketch map of planting tooth body and screw lock module of dental structure described in Fig. 1.
The structural representation that Fig. 4 connects for the integral body of manually planting dental structure described in Fig. 1.
The specific embodiment
Be this utility model preferred embodiment below, and be not for limiting protection domain of the present utility model.
Embodiment 1
Shown in Fig. 1～4: a kind of dental structure of manually planting includes and plants tooth body 10, screw lock module 50 and facing spare 40; This is planted tooth body 10 and has implantation portion 11, top-joining part 12, and be arranged at auxiliary retention portion 13 between this implantation portion 11 and this top-joining part 12, and this auxiliary retention portion 13 and this top-joining part 12, can and get by this implantation portion 11 one extension, that is, this integral body of planting tooth body 10 can be one-body molded, and plant tooth body 10 and select the porous tantalum product for use, and its porosity is 60 ~ 70%; Bone bed 21 (Cancellous Bone) is fixed in this implantation portion 11, and the epidermis bone layer 22 (Cortical Bone) that is positioned at these bone bed 21 surfaces, this auxiliary retention portion 13 then is fixed in and is positioned at this epidermis bone layer 22 away from the soft tissue layer 23 (Soft Tissue) of these bone bed 21 1 sides, outer surface that wherein should implantation portion 11 has a thread segment 111, and it is by spiral way and this epidermis bone layer 22 and bone bed 21 combinations; Therefore, this integral body of planting tooth body 10 can be embedded in this soft tissue layer 23 fully or this auxiliary retention portion 13 is protruded from outside this soft tissue layer 23 a little, thereby during waiting for that the bone integration is fixing, the problem that can effectively avoid interlock to disturb.Other it should be noted that, this auxiliary retention portion 13 can be used as the buffering that spiral is locked, when this implantation portion 11 too locked this epidermis bone layer 22, this auxiliary retention portion 13 still can protrude between this epidermis bone layer 22 and this soft tissue layer 23, avoided the problem of follow-up joint screw lock module 50 whereby.
This top-joining part 12 has a screw lock groove 121 that extends toward this auxiliary retention portion 13, treat bone integrate fixing after, again with these screw lock module 50 sealed this screw lock grooves 121 that are fixed in, be fixedly connected on this whereby and plant top-joining part 12 on the tooth body 10.And it should be noted that this top-joining part 12 is the groove to lower recess, thereby can this screw lock module 50 of more efficiently cooperation fix, and strengthen the structural strength of these screw lock module 50 horizontal directions.
After this screw lock module 50 is fixed, utilize this screw lock module 50 to cooperate tooth position to carry out molding, and make this facing spare 40, this facing spare 40 has ccontaining and cooperates the accommodation space 41 of this screw lock module 50, and the supplemental support portion 42 of this auxiliary retention portion 13 that is connected, this facing spare 40 inside are provided with female thread, screw lock module 50 upper end correspondences are provided with external screw thread, the two mode to be threaded, realize that facing spare 40 coats fully and fixedly connected this screw lock module 50, and be connected in this auxiliary retention portion 13 by this supplemental support portion 42, strengthen fixing effect and reach.
In sum, because this utility model utilizes this facing spare 40 to coat fully and is threaded this screw lock module 50, and cooperate the supplemental support portion 42 of these facing spares 40 to strengthen the support force of the horizontal direction of these screw lock module 50 by protruding from this epidermis bone layer 22 this outer auxiliary retention portion 13, reduce that this screw lock module 50 is subjected to the effect of horizontal shear and the probability that ruptures.In addition, auxiliary retention portion 13 of the present utility model protrudes from this epidermis bone layer 22, and is arranged at this soft tissue layer 23, and then supplemental support portion 42 that can comparatively elastic this facing spare of cooperation 40 strengthens in conjunction with fixing.Moreover, by the buffering that this auxiliary retention portion 13 is locked as spiral, reduce sealed should implantation portion 11 in the required degree of accuracy of this epidermis bone layer 22, and have bigger sealed cushion space.And be set to the porous tantalum product by planting tooth body 10, improved this greatly and manually planted the biocompatibility of dental structure, also well satisfied its mechanical property simultaneously, improved its service life greatly and implanted comfort level.
Claims (5)
1. manually plant dental structure for one kind, it includes plants tooth body (10), screw lock module (50) and facing spare (40); This is planted tooth body (10) and has implantation portion (11), top-joining part (12), and is arranged at the auxiliary retention portion (13) between this implantation portion (11) and this top-joining part (12); This facing spare (40) has ccontaining and cooperates the accommodation space (41) of this screw lock module (50), and the supplemental support portion (42) of this auxiliary retention portion (13) that is connected; Described screw lock module (50) upper end is provided with external screw thread, and described facing spare (40) inside is provided with the female thread that cooperates with the external screw thread of this screw lock module (50) upper end setting, to realize being threaded of the two; The described tooth body (10) of planting is selected the porous product for use, and its porosity is 60 ~ 70%.
2. the dental structure of manually planting according to claim 1 is characterized in that: the described tooth body (10) of planting, employing porous tantalum product; The outer surface of described implantation portion (11) has a thread segment (111).
3. the dental structure of manually planting according to claim 1 and 2, it is characterized in that: described top-joining part (12) has the screw lock groove (121) that extends toward this auxiliary retention portion (13), and described screw lock module (50) is by the sealed top-joining part (12) of planting on the tooth body (10) that is fixed in of this screw lock groove (121).
4. the dental structure of manually planting according to claim 1 and 2, it is characterized in that: bone bed (21) is fixed in described implantation portion (11), and the epidermis bone layer (22) that is positioned at this bone bed (21) surface, this auxiliary retention portion (13) then is fixed in and is positioned at this epidermis bone layer (22) away from the soft tissue layer (23) of these bone bed (21) one sides.
5. the dental structure of manually planting according to claim 3, it is characterized in that: bone bed (21) is fixed in described implantation portion (11), and the epidermis bone layer (22) that is positioned at this bone bed (21) surface, this auxiliary retention portion (13) then is fixed in and is positioned at this epidermis bone layer (22) away from the soft tissue layer (23) of these bone bed (21) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256536 CN203226912U (en) | 2013-05-13 | 2013-05-13 | Artificial tooth implantation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256536 CN203226912U (en) | 2013-05-13 | 2013-05-13 | Artificial tooth implantation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203226912U true CN203226912U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320256536 Expired - Fee Related CN203226912U (en) | 2013-05-13 | 2013-05-13 | Artificial tooth implantation structure |
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| CN (1) | CN203226912U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105012030A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012027A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Artificial dental implant |
| CN105012031A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012028A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012029A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant structure |
| CN105078591A (en) * | 2014-05-23 | 2015-11-25 | 重庆润泽医药有限公司 | Tube implant tooth |
| CN105078592A (en) * | 2014-05-23 | 2015-11-25 | 重庆润泽医药有限公司 | Resilient implant tooth |
-
2013
- 2013-05-13 CN CN 201320256536 patent/CN203226912U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105012030A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012027A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Artificial dental implant |
| CN105012031A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012028A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant |
| CN105012029A (en) * | 2014-04-28 | 2015-11-04 | 重庆润泽医药有限公司 | Dental implant structure |
| CN105078591A (en) * | 2014-05-23 | 2015-11-25 | 重庆润泽医药有限公司 | Tube implant tooth |
| CN105078592A (en) * | 2014-05-23 | 2015-11-25 | 重庆润泽医药有限公司 | Resilient implant tooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20190513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |