CN203634318U - Artificial tooth implant structure - Google Patents
Artificial tooth implant structure Download PDFInfo
- Publication number
- CN203634318U CN203634318U CN201320883107.6U CN201320883107U CN203634318U CN 203634318 U CN203634318 U CN 203634318U CN 201320883107 U CN201320883107 U CN 201320883107U CN 203634318 U CN203634318 U CN 203634318U
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- tooth body
- tooth
- planting
- implant
- hole
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Abstract
The utility model relates to an artificial tooth implant structure. The tooth implant structure comprises an implant body (1), a retention pedestal (2) and a tension spring (4), wherein the implant body (1) is made of a porous tantalum part, and the porosity of the porous tantalum part is between 60 and 70 percent; a through hole (3) of which the upper part and the lower part are cut through is formed inside the implant body (1); a pipe thread with a thread angle of 55 degrees is arranged on the surface inside the implant body (1) on the middle upper part of the through hole (3); the tension spring (4) is arranged inside the implant body (1) on the lower part of the through hole; a screw rod (5) is arranged on the lower part of the retention pedestal (2), is connected with one end of the tension spring, and is matched with the pipe thread with the thread angle of 55 degrees on the surface inside the implant body (1).Through the tooth implant structure, the implant body is tightly connected with the alveolar bone in real time, so the artificial tooth implant structure can be prevented from being disturbed by alternating force and has a simple structure, high strength and excellent biocompatibility.
Description
Technical field
This utility model relates to Medical oral cavity manual tooth planting's medical apparatus and instruments, relates in particular to a kind of implant dental structure.
Background technology
Canine implant is the best method of repairing at present oral cavity inner teeth gear disappearance.Dental implant surgical of the prior art, normally plants tooth body by one and directly imbeds in advance dental bed, after above planting tooth body, install a retained abutment separation and that expose to dental bed surface, a corona is finally installed in this retained abutment again again, to realize the implantation of artificial tooth.
But, plant tooth body and in use can be subject to for a long time the effect of alternating force, particularly work as Dental Implant when mounted, if move past manyly to words lateral deviation, easily occur in a short time looseningly, and to plant the design of tooth body structure unreasonable due to existing, cause this becoming flexible can not again tighten at present, can only again plant, thereby increase the operations such as plantation again, cause significant wastage.And implant dental structure of the prior art exists certain defect, it plants tooth body and retained abutment syndeton defective tightness, and is easy to cause impurity to enter in screw thread, affects being fixedly connected with of the two.In addition, it is poor that in existing design also usually there is mechanical property and biocompatibility in implant dental structure, there will be repulsion, and affect the problems such as its service life after long-time use with tissue.
Utility model content
The purpose of this utility model is to provide a kind of implant dental structure, this implant dental structure can closely be connected with alveolar bone planting tooth body in real time, the sealing of its connection and good stress performance, and can avoid preferably it to be subject to the interference of alternating force, simple in structure, intensity is higher, and has good biocompatibility concurrently.
The purpose of this utility model is achieved in that
A kind of implant dental structure, is characterized in that: it forms by planting tooth body, retained abutment and extension spring; The described tooth body of planting adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body inside and is provided with the through hole running through up and down; To be provided with tooth form angle be the gas thread of 55 ° on the inner surface of tooth body of planting of this through hole middle and upper part, and the tooth body inside of planting of this through hole bottom is provided with extension spring; Described retained abutment bottom is threaded rod, and this threaded rod is connected with one end of described extension spring, and with described to plant tooth form angle that the inner surface of tooth body arranges be the gas thread corresponding matching of 55 °.
The porous tantalum product of above-mentioned porosity, can meet this and plant the mechanical property requirements of tooth body in implant dental structure, is closely connected reliably with alveolar bone to realize it.This porous tantalum product can adopt the preparations such as foam dipping method, die pressing.Through the discovery that studies for a long period of time: adopt the tooth physical ability of planting of porous tantalum product that bone is grown into and the structure of growing in forming, thereby organically combine as a whole with body bone tissue, in greatly having improved biocompatibility, also well meet its mechanical property, improve service life and implanted comfort level, having increased stability and anti-verticity after artificial prosthesis is implanted.In addition,, by being the gas thread Corresponding matching of 55 ° by threaded rod and the tooth form angle of planting the inner surface setting of tooth body, its sealing and good stress performance, easily produce self-locking, avoided impurity to enter in screw thread.
Further, the above-mentioned tooth body of planting is the clava being made up of cervical region, middle part and afterbody.Further, the outer surface at above-mentioned middle part of planting tooth body is gas thread; The diameter of its afterbody is narrow compared with cervical region and middle part.The tooth body of planting of this structure setting has been realized with alveolar bone and being firmly connected, and has the effects such as the sinking of further preventing.
The top of above-mentioned retained abutment is Rotary-table, and one-body molded with the threaded rod of above-mentioned retained abutment bottom.The Rotary-table on its top can be installed corona in order to Corresponding matching, and has realized the implantation of artificial tooth.
The utlity model has following beneficial effect:
1, planting tooth body and retained abutment, to adopt tooth form angle be the gas thread Corresponding matching of 55 °, and its sealing and good stress performance, easily produce self-locking, avoided impurity to enter in screw thread.
2, adopt the bottom that extension spring one end is fixed on to alveolar bone to continue that retained abutment is applied to elastic force, be fixed in the through hole of planting tooth body inside, guaranteed retained abutment all the time with plant tooth body close contact, itself apply the effect of power simultaneously by retained abutment to planting tooth body, make to plant the bottom close contact all the time of tooth body and alveolar bone; In use, if because external force makes to plant tooth body or retained abutment is loosening, extension spring makes it again keep close contact by elastic force, and then has guaranteed fixed effect;
3, plant tooth body itself and adopt porous tantalum product, well meet its mechanical property, also greatly increase the biocompatibility of this implant dental structure simultaneously, improved service life and implanted comfort level, increased stability and anti-verticity after this artificial prosthesis is implanted.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of implant dental structure described in this utility model embodiment 1.
Fig. 2 is the structural representation of the integrated connection of implant dental structure described in Fig. 1.
The specific embodiment
Be below this utility model preferred embodiment, and be not intended to limit protection domain of the present utility model.
As shown in Fig. 1～2: a kind of implant dental structure, it forms by planting tooth body 1, retained abutment 2 and extension spring 4; It is planted tooth body 1 and adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body 1 inside and is provided with the through hole 3 running through up and down; Also to be provided with tooth form angle be the gas thread of 55 ° on the inner surface of tooth body 1 of planting of these through hole 3 middle and upper parts, and tooth body 1 inside of planting of these through hole 3 bottoms is also provided with extension spring 4; Its retained abutment 2 bottoms are threaded rod 5, and this threaded rod 5 is connected with one end of extension spring 4, and are the gas thread corresponding matching of 55 ° with planting tooth form angle that the inner surface of tooth body 1 arranges; It plants tooth body 1 clava for being made up of cervical region 6, middle part 7 and afterbody 8, and the outer surface at its middle part 7 is gas thread, and the diameter of its afterbody 8 is narrow compared with cervical region 6 and middle part 7; The top of retained abutment 2 is Rotary-table, and adopts medical titanium alloy through one-body molded with the threaded rod 5 of its underpart; The Rotary-table Corresponding matching on the top of retained abutment 2 is installed corona, and then has realized the implantation of artificial tooth.
In clinical practice, extension spring 4 one end are fixed on to the bottom of alveolar bone, the other end is fixed on the threaded rod 5 of retained abutment 2 bottoms to continue that retained abutment 2 is applied to elastic force, be fixed in the through hole 3 of planting tooth body 1 inside, guaranteed retained abutment 2 all the time with plant tooth body 1 close contact, itself apply the effect of power simultaneously by retained abutment 2 to planting tooth body 1, make to plant the bottom close contact all the time of tooth body 1 and alveolar bone; If, because external force makes to plant tooth body 1 or retained abutment 2 is loosening, extension spring 4 makes it again keep close contact by elastic force, and then has guaranteed fixed effect when use.
Claims (4)
1. an implant dental structure, is characterized in that: it forms by planting tooth body (1), retained abutment (2) and extension spring (4); The described tooth body (1) of planting adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body (1) inside and is provided with the through hole (3) running through up and down; To be provided with tooth form angle be the gas thread of 55 ° on the inner surface of tooth body (1) of planting of this through hole (3) middle and upper part, and tooth body (1) inside of planting of this through hole (3) bottom is provided with extension spring (4); Described retained abutment (2) bottom is threaded rod (5), and this threaded rod (5) is connected with one end of described extension spring (4), and with described to plant tooth form angle that the inner surface of tooth body (1) arranges be the gas thread corresponding matching of 55 °.
2. implant dental structure according to claim 1, is characterized in that: described in plant the clava of tooth body (1) for being formed by cervical region (6), middle part (7) and afterbody (8).
3. implant dental structure according to claim 2, is characterized in that: described in plant the middle part (7) of tooth body (1) outer surface be gas thread; The diameter of its afterbody (8) is narrow compared with cervical region (6) and middle part (7).
4. according to the arbitrary described implant dental structure of claim 1-3, it is characterized in that: the top of described retained abutment (2) is Rotary-table, and one-body molded with the threaded rod (5) of described retained abutment (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883107.6U CN203634318U (en) | 2013-12-30 | 2013-12-30 | Artificial tooth implant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883107.6U CN203634318U (en) | 2013-12-30 | 2013-12-30 | Artificial tooth implant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634318U true CN203634318U (en) | 2014-06-11 |
Family
ID=50865607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883107.6U Expired - Fee Related CN203634318U (en) | 2013-12-30 | 2013-12-30 | Artificial tooth implant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203634318U (en) |
-
2013
- 2013-12-30 CN CN201320883107.6U patent/CN203634318U/en not_active Expired - Fee Related
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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: 20140611 Termination date: 20201230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |