CN209808584U

CN209808584U - Dental implant abutment

Info

Publication number: CN209808584U
Application number: CN201920161829.8U
Authority: CN
Inventors: 刘少伟; 钟克城; 左爱华
Original assignee: Shanghai Meiguan Daya Technology Co Ltd
Current assignee: Shanghai Meiguan Daya Technology Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-12-20
Anticipated expiration: 2029-01-30

Abstract

The utility model relates to a dental implant abutment, which comprises an implant body and an abutment, wherein the abutment comprises a lower connecting part connected with the implant body and an upper connecting part used for connecting a dental crown, and the top of the implant body is provided with a connecting groove matched with the lower connecting part; one side of the upper connecting part is downwards provided with a mounting groove, the bottom of the mounting groove is provided with a boss, the end part of the boss is provided with a through hole, and the through hole extends downwards and penetrates through the lower connecting part; the lug boss is provided with a screw, a thread groove matched with the screw is formed in the connecting groove, the screw penetrates through the through hole to be in thread matching with the thread groove, and a nut of the screw is abutted to the upper end face of the lug boss; elastic pieces are arranged on two sides of the boss, a clamping nail is arranged on one side opposite to the elastic pieces, one side opposite to the clamping nail is obliquely arranged, and the oblique direction is downward from two sides to the middle; the bottom of the staple bolt is abutted against the upper end of the screw cap of the screw. The utility model discloses have the more stable effect of installation of planting implant base station.

Description

Dental implant abutment

Technical Field

The utility model belongs to the technical field of implant tooth technique and specifically relates to a dental implant base station is related to.

Background

Currently, an implant abutment, referred to as an abutment for short, is mounted on an implant platform anchored in a bone and extends into the oral cavity for linking, supporting and retaining a prosthesis or an implant superstructure. Generally, an implant is attached to a patient's dental bone, after the healing process is completed, an abutment is attached to the implant, and a prosthetic appliance is attached to the abutment, and the prosthetic appliance and the abutment are often bonded together with an adhesive.

Prior art like that provided in patent application publication No. CN206167076U, a dental implant abutment comprises a denture connecting portion, an intermediate connecting portion, and a lower end connecting portion, wherein the denture connecting portion, the intermediate connecting portion, and the lower end connecting portion are sequentially distributed from top to bottom in a vertical direction, a through hole for inserting a screw is provided in the denture connecting portion, and the through hole longitudinally penetrates through the intermediate connecting portion and extends to the lower end connecting portion. The installation of the base station on the implant is realized by installing screws in the vertically arranged through holes.

The above prior art solutions have the following drawbacks: the mounting of the abutment on the implant is realized through the thread mounting mode, the false tooth is fixed on the abutment, and after the long-term use, the connection of the screw can be loosened, so that the false tooth cannot be stably fixed, and the use effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can promote plant tooth base station of installation stability.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a dental implant abutment comprises an implant body and an abutment, wherein the abutment comprises a lower connecting part connected with the implant body and an upper connecting part used for connecting a false tooth, and the top of the implant body is provided with a connecting groove matched with the lower connecting part; one side of the upper connecting part is downwards provided with a mounting groove, the bottom of the mounting groove is provided with a boss, the end part of the boss is provided with a through hole, and the through hole extends downwards and penetrates through the lower connecting part; the lug boss is provided with a screw, a thread groove matched with the screw is formed in the connecting groove, the screw penetrates through the through hole to be in thread matching with the thread groove, and a nut of the screw is abutted to the upper end face of the lug boss; elastic pieces are arranged on two sides of the boss, a clamping nail is arranged on one side opposite to the elastic pieces, one side opposite to the clamping nail is obliquely arranged, and the oblique direction is downward from two sides to the middle; the bottom of the staple bolt is abutted against the upper end of the screw cap of the screw.

By adopting the technical scheme, the implant is provided with the mounting groove for connecting with the lower connecting part, and the screw penetrates through the through hole on the boss for threaded connection with the implant; the structure that the elastic pieces are additionally arranged on two sides of the boss is provided with the staple bolt, the inclined plane is arranged on the staple bolt, when the screw is screwed downwards, the nut of the screw extrudes the staple bolt and the elastic pieces towards two sides, the elastic pieces bend towards two sides, so that the screw can be smoothly screwed into the through hole, the bottom of the nut is abutted against the end surface of the boss, and the bottom of the staple bolt is abutted against the top of the nut and is used for fixing the positions of the nut and the screw; the screw is difficult for taking place to become flexible after the installation, has strengthened the installation stability of base station.

The utility model discloses further set up to: the bottom of the side wall of the lower connecting part is provided with a notch, and the side wall of the connecting groove is provided with a lug matched with the notch; the convex block is pressed against the inner wall of the notch.

Through adopting above-mentioned technical scheme, the structure that has increased lug and notch cooperates, and when carrying out the installation between lower connecting portion and the spread groove, lug and notch cooperate the back, have injectd the position of base station, and the base station is difficult for taking place to rotate in the spread groove, has guaranteed that the position of through-hole and thread groove aligns all the time, conveniently carries out the screw thread installation of screw.

The utility model discloses further set up to: the bottom of the elastic sheet is arranged at a position close to the bottom of the boss, and the bottom of the elastic sheet is fixedly connected with the two sides of the boss.

Through adopting above-mentioned technical scheme, the bottom fixed connection of flexure strip is in the boss and is close to the position of bottom, and the bail is located the top of boss, and at the mounting screw, when the nut carries out the butt to the bail, the stress point of flexure strip is far away from the bottom position of flexure strip, and the flexure strip has sufficient length to be crooked, and the screw can be installed into in the through-hole.

The utility model discloses further set up to: the base station side is provided with the joint groove, and the joint groove extends to the position that is close to the top from last connecting portion bottom.

By adopting the technical scheme, the upper connecting part is connected with the false tooth through the adhesive, the structure of the clamping groove is additionally arranged on the side surface of the abutment, and when the upper connecting part is connected with the false tooth, the clamping groove increases the adhesion area of the false tooth and the upper connecting part, so that the connection between the false tooth and the upper connecting part is more stable.

The utility model discloses further set up to: the lower connecting portion is round platform-shaped, and the side wall of the lower connecting portion is abutted to the inner wall of the connecting groove.

Through adopting above-mentioned technical scheme, set up lower connecting portion into the structure of round platform form, the bottom of lower connecting portion is less, can enter into the spread groove smoothly, conveniently carries out the connection between lower connecting portion and the planting body.

The utility model discloses further set up to: the nut diameter of the screw is the same as the outer diameter of the boss.

Through adopting above-mentioned technical scheme, the diameter and the boss external diameter of nut are the same, can not lead to the nut can not the butt boss because of the diameter undersize of nut, also can not lead to the flexure back of flexure can not reply because of the nut diameter is too big.

The utility model discloses further set up to: the joint of the upper connecting part and the lower connecting part is provided with an annular bulge.

By adopting the technical scheme, the annular bulge is arranged, so that the area of the adhesive attached to the upper connecting part is increased, and the connection between the false tooth and the upper connecting part is enhanced; increase cyclic annular arch, when the installation artificial tooth, cyclic annular arch can carry out certain degree's joint with artificial tooth inside, promotes the connection effect.

The utility model discloses further set up to: the width of the bottom of the staple does not exceed one quarter of the diameter of the screw cap.

Through adopting above-mentioned technical scheme, limited the length of bail, can not lead to the screw can not normally get into the through-hole because the bail is too wide.

To sum up, the utility model discloses a beneficial technological effect does:

1. the structure of the boss, the elastic sheet and the staple is added, after the screw is used for threaded installation, the staple on the elastic sheet can be used for abutting against the end part of the nut, the possibility of loosening of the screw is reduced, and the connection stability is improved; the clamping nail is provided with an inclined plane, and the elastic sheet is extruded to two sides when the screw is rotated so as to be bent, so that the screw can conveniently and smoothly enter the through hole;

2. the structure of the convex block and the notch is added, the notch on the lower connecting part is clamped with the convex block on the connecting groove before the threaded mounting is carried out, the base table is not easy to rotate, and the through hole is ensured to be aligned with the threaded groove in the connecting groove when the threaded mounting is carried out;

3. the structure of the annular bulge and the clamping groove is added, so that the adhesion area of the denture and the abutment is increased when the denture and the abutment are connected, and the connection of the denture and the abutment is more stable.

Drawings

Fig. 1 is an exploded view of the main structure of the present invention;

FIG. 2 is a schematic view of the structure of the implant of the present invention;

fig. 3 is a schematic sectional view of the installation groove of the present invention;

fig. 4 is an enlarged schematic view of a portion a1 in fig. 3.

Reference numerals: 1. a base station; 11. an upper connecting portion; 12. a lower connecting portion; 13. a protrusion; 14. mounting grooves; 15. a clamping groove; 16. a notch; 17. a screw; 18. a nut; 19. a boss; 2. an implant; 21. connecting grooves; 22. a thread groove; 23. a bump; 3. a through hole; 4. an elastic sheet; 5. and (4) a staple.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to the present invention discloses a dental implant abutment, which includes an implant 2 and an abutment 1, the abutment 1 includes a lower connecting portion 12 for connecting with the implant 2 and an upper connecting portion 11 for bonding with a prosthetic appliance.

Referring to fig. 1 and 2, in order to enhance the connection between the upper connection part 11 and the prosthetic appliance, a ring-shaped protrusion 13 is formed at the connection between the upper connection part 11 and the lower connection part 12, and the ring-shaped protrusion 13 surrounds the abutment 1. Go up connecting portion 11 side and seted up joint groove 15, joint groove 15 upwards extends to the position that is close to upper connecting portion 11 top from upper connecting portion 11 bottom.

Referring to fig. 1 and 2, in order to facilitate the connection between the lower connecting portion 12 and the implant 2, the lower connecting portion 12 is set to be in the shape of a circular truncated cone with a large top and a small bottom, a connecting groove 21 matched with the lower connecting portion 12 is formed in the top of the implant 2, a protruding block 23 is formed at the position, close to the bottom, of the side wall of the connecting groove 21, a notch 16 matched with the protruding block 23 is formed in the side wall of the lower connecting portion 12, the protruding block 23 abuts against the inner wall of the notch 16 when the base station 1 is installed, and the. An installation groove 14 is formed in one side of the upper connecting portion 11, and the installation groove 14 extends downwards to a position close to the bottom of the upper connecting portion 11.

Referring to fig. 3 and 4, a boss 19 is formed at the bottom of the mounting groove 14, the boss 19 is perpendicular to the bottom of the mounting groove 14, a through hole 3 is formed downwards at the top of the boss 19, and the through hole 3 vertically downwards sequentially penetrates through the boss 19, the upper connecting portion 11 and the lower connecting portion 12 and extends into the connecting groove 21. The through hole 3 is provided with a screw 17, the bottom of the connecting groove 21 is provided with a thread groove 22 matched with the screw 17, and the screw 17 passes through the through hole 3 and is in thread matching with the thread groove 22. The diameter of the nut 18 of the screw 17 is the same as the outer diameter of the boss 19, and the screw 17 abuts against the top of the boss 19. The mounting of the abutment 1 on the implant 2 is achieved by a screw-thread fit between the screw 17 and the implant 2.

Referring to fig. 3 and 4, in order to enhance the structural stability of the screw 17, two sides of the outer wall of the boss 19 are respectively provided with an elastic sheet 4, the elastic sheets 4 are symmetrically arranged by taking the axis of the boss 19 as a center, and the bottom of the elastic sheet 4 is fixedly connected with the outer wall of the boss 19 close to the bottom. The opposite side of the elastic sheet 4 is fixedly provided with a clamp nail 5, the bottom of the clamp nail 5 is arranged to be parallel to the end face of the screw 17, the opposite side of the clamp nail 5 is provided with an inclined surface, and the inclined direction of the inclined surface is inclined downwards from two sides to the middle. The bottom of the clamp 5 abuts against the upper end face of the screw 17, so that the mounting stability of the screw 17 is enhanced, and the screw 17 is not easy to loosen. In order to ensure that the clamping nail 5 can be smoothly abutted against the screw 17 when the screw 17 is installed, the width of the bottom of the clamping nail 5 (the width direction is the direction in which the two elastic sheets 4 face and depart from each other) is not more than one fourth of the diameter of the nut 18, and the distance from the inner wall of the installation groove 14 to the elastic sheet 4 is larger than the width of the clamping nail 5.

The implementation principle of the embodiment is as follows: in use, the notch 16 of the lower connecting portion 12 is aligned with the projection 23 of the connecting groove 21, so that the lower connecting portion 12 abuts against the connecting groove 21, the notch 16 abuts against the projection 23, and the lower connecting portion 12 abuts against the inner wall of the connecting groove 21. The screw 17 is installed in the installation groove 14 such that the screw 17 is threadedly engaged with the thread groove 22 of the implant 2 through the through-hole 3 of the boss 19. In the process of screwing the screw 17, the screw cap 18 of the screw 17 extrudes the staple 5 and the elastic sheet 4 towards two sides, so that the screw 17 can be conveniently and smoothly installed, finally, the screw cap 18 is abutted against the upper end part of the boss 19, the elastic sheet 4 returns to the original position, the bottom of the elastic sheet 4 is abutted against the upper end surface of the screw cap 18, the positions of the screw cap 18 and the screw 17 are limited, the installation of the screw 17 is more stable, the looseness is not easy to occur, and the connection between the implant 2 and the base station 1 is enhanced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a planting tooth abutment, includes implant (2) and abutment (1), abutment (1) include lower connecting portion (12) be connected with implant (2) and be used for connecting last connecting portion (11) of denture, its characterized in that: the top of the implant (2) is provided with a connecting groove (21) matched with the lower connecting part (12); one side of the upper connecting part (11) is downwards provided with a mounting groove (14), the bottom of the mounting groove (14) is provided with a boss (19), the end part of the boss (19) is provided with a through hole (3), and the through hole (3) extends downwards and penetrates through the lower connecting part (12); a bolt (17) is mounted on the boss (19), a thread groove (22) matched with the bolt (17) is formed in the connecting groove (21), the bolt (17) penetrates through the through hole (3) to be in thread matching with the thread groove (22), and a nut (18) of the bolt (17) is abutted to the upper end face of the boss (19); elastic sheets (4) are arranged on two sides of the boss (19), a clamping nail (5) is arranged on one side of the boss opposite to the elastic sheets, one side of the clamping nail (5) opposite to the elastic sheets is obliquely arranged, and the oblique direction is downward inclined from two sides to the middle; the bottom of the staple (5) is abutted against the upper end of a nut (18) of the screw (17).

2. The dental implant abutment of claim 1, wherein: the bottom of the side wall of the lower connecting part (12) is provided with a notch (16), and the side wall of the connecting groove (21) is provided with a lug (23) matched with the notch (16); the lug (23) is abutted against the inner wall of the notch (16).

3. The dental implant abutment of claim 1, wherein: the bottom of the elastic sheet (4) is arranged at a position close to the bottom of the boss (19), and the bottom of the elastic sheet (4) is fixedly connected with the two sides of the boss (19).

4. The dental implant abutment of claim 1, wherein: the side of the base station (1) is provided with a clamping groove (15), and the clamping groove (15) extends from the bottom of the upper connecting part (11) to a position close to the top.

5. The dental implant abutment of claim 1, wherein: the lower connecting part (12) is in a circular truncated cone shape, and the side wall of the lower connecting part (12) is abutted against the inner wall of the connecting groove (21).

6. The dental implant abutment of claim 1, wherein: the diameter of the nut (18) of the screw (17) is the same as the outer diameter of the boss (19).

7. The dental implant abutment of claim 1, wherein: an annular bulge (13) is arranged at the joint of the upper connecting part (11) and the lower connecting part (12).

8. The dental implant abutment of claim 1, wherein: the width of the bottom of the staple (5) does not exceed one fourth of the diameter of the screw cap (18).