Triangular connection structure of implant and abutment

Abstract

The utility model discloses a triangular connection structure for an implant and an abutment, which comprises the abutment and the implant which are locked through a screw. The implant comprises an implant main body, a plurality of first grooves are formed in the top of the implant main body at equal intervals, and a first bulge is formed between every two adjacent first grooves; the base table comprises a rod body and a base, locking holes are formed in the rod body and the base, the rod body is arranged on one side of the base, a plurality of second protrusions matched with the first grooves are arranged on the other side of the base, and second grooves matched with the first protrusions are formed between the adjacent second protrusions. According to the utility model, the plurality of grooves are uniformly distributed in the circumferential directions of the abutment and the implant, and the grooves and the convex buckles are in uniform transition, so that local stress concentration is avoided; after the abutment and the implant are clamped, automatic centering is achieved, circumferential positioning can be achieved, the axial contact area of the implant and the abutment is large, and large axial loads can be borne.

Description

TECHNICAL FIELD

[0001] The utility model relates to dental implant technology field, concretely is a kind of implant and abutment triangular connection structure. BACKGROUND

[0002] Dental implant repair is the update of traditional stomatology content and concept.In recent years,with the wide application of zirconium dioxide (ZrO2) material in biomedical field,its application in dental implant field has also made great progress.Zirconium dioxide material has the potential to replace titanium alloy material to become a new generation of dental implant with its good biocompatibility,mechanical properties and aesthetic advantages.

[0003] General two-body implant system includes implant and adapter abutment, and the screw connection between the two. The brittle nature of ceramic material puts high performance requirements on the connection between ceramic implant and abutment, and the connection between the two should be able to withstand a large axial force and a certain torque. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of implant and abutment triangular connection structure to solve the problems in prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of implant and abutment triangular connection structure, including abutment and implant, the abutment and implant are locked by screw;The implant includes implant body, and the top of implant body is equipped with a plurality of first recesses at equal intervals, and first protrusion is formed between adjacent first recesses;

[0006] The abutment includes rod body and base, and the rod body and base are provided with locking hole, the base is provided with rod body on one side, and the base is provided with a plurality of second protrusions matched with first recess on the other side, and second recess matched with first protrusion is formed between adjacent second protrusions.

[0007] Preferably, the rod body and base are of integral structure, and the included angle of the rod body and base is 135°-180°.

[0008] Preferably, the cross-sectional shape of the first recess and the second recess is arc-shaped recess, and the cross-sectional shape of the first protrusion and the second protrusion is arc-shaped protrusion.

[0009] Preferably, the first recess, the first protrusion, the second protrusion and the second recess are all provided with four.

[0010] Preferably, the cross-sectional shape of the first recess and the second recess is rectangular recess, and the cross-sectional shape of the first protrusion and the second protrusion is rectangular protrusion.

[0011] Preferably, the first groove, the first protrusion, the second protrusion and the second groove are each provided with three.

[0012] Compared with the prior art, the abutment and the implant are circumferentially distributed with a plurality of grooves, the grooves and the protrusion buckle are uniformly transitioned, local stress concentration is avoided, the abutment and the implant are automatically centered after being clamped, circumferential positioning can be realized, the implant and the abutment have a large axial contact area, and a large axial load can be borne. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0014] Figure 1 is a structural schematic view of the embodiment one of the present application;

[0015] Figure 2 is a structural schematic view of the embodiment one of the present application;

[0016] Figure 3 is a structural schematic view of the embodiment one of the present application;

[0017] Figure 4 is a structural schematic view of the embodiment one of the present application;

[0018] Figure 5 is a structural schematic view of the embodiment one of the present application;

[0019] Figure 6 is a structural schematic view of the present application;

[0020] Figure 7 is a structural schematic view of the embodiment two of the present application;

[0021] Figure 8 is a structural schematic view of the embodiment two of the present application;

[0022] Figure 9 is a structural schematic view of the embodiment two of the present application;

[0023] Figure 10 is a structural schematic view of the embodiment two of the present application;

[0024] Figure 11 is a structural schematic view of the embodiment two of the present application.

[0025] In the drawings: 1, abutment; 2, implant; 3, screw; 11, rod body; 12, base; 13, second protrusion; 14, second groove; 15, locking hole; 21, implant main body; 22, first groove; 23, first protrusion. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art without creative effort based on the embodiments of the present application belong to the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0027] Embodiment one

[0028] Please refer to Figures 1-6 In the embodiments of the present application, a kind of implant and abutment triangular connection structure, including abutment 1 and implant 2, the abutment 1 and implant 2 are locked by screw 3 between;The implant 2 includes implant main body 21, a plurality of first grooves 22 are formed with first protrusions 23 between adjacent first grooves 22 in the top of the implant main body 21 at equal intervals;

[0029] The abutment 1 includes rod body 11 and base 12, the rod body 11 and base 12 are provided with locking hole 15, one side of the base 12 is provided with rod body 11, the other side of the base 12 is provided with a plurality of second protrusions 13 matched with the first grooves 22, and second grooves 14 matched with the first protrusions 23 are formed between adjacent second protrusions 13;The rod body 11 and base 12 are integrated structure, the included angle of the rod body 11 and base 12 is 135°-180°;After abutment and implant snap, it can be automatically centered, circumferential positioning can be realized, the implant and abutment axial contact area is larger, and larger axial load can be borne.

[0030] The cross-sectional shape of the first groove 22 and the second groove 14 is arc-shaped groove, the cross-sectional shape of the first protrusion 23 and the second protrusion 13 is arc-shaped protrusion, and the groove and the protrusion buckle are uniformly transitioned, to avoid local stress concentration;The first groove 22, the first protrusion 23, the second protrusion 13 and the second groove 14 are all provided with four, based on the angle of the locking structure, the abutment has two types of consistent and opposite directions with the locking protrusion, so that 45° adjustment of the angle abutment can be realized.

[0031] The abutment 1 and the implant 2 are circumferentially uniformly provided with four grooves, and the grooves and the protrusion buckles are uniformly transitioned to avoid local stress concentration; the abutment and the implant are automatically centered after buckling, circumferential positioning can be realized, the axial contact area of the implant and the abutment is large, and large axial load can be borne.

[0032] When implanting the front incisor and canine teeth, an angle abutment is often used, in order to ensure that the deflection angle of the angle abutment meets the expectation, the angle of the implant and the angle abutment after assembly needs to be within a certain range; therefore, the angle abutment based on the locking structure has two types of the same direction and the opposite direction of the locking protrusion direction, so that 45° adjustment of the angle abutment can be realized.

[0033] Embodiment two

[0034] Please refer to Figures 6-11 In the embodiment of the utility model, a kind of implant and abutment triangular connection structure, including abutment 1 and implant 2, the abutment 1 and implant 2 between by screw 3 locking;The implant 2 includes implant main body 21, and multiple first grooves 22 are set in the top of the implant main body 21 at equal intervals, and first protrusion 23 is formed between adjacent first grooves 22;

[0035] The abutment 1 includes rod body 11 and base 12, the rod body 11 and base 12 are provided with locking hole 15, the base 12 one side is provided with rod body 11, and the other side of the base 12 is provided with multiple second protrusions 13 matched with the first grooves 22, and second grooves 14 matched with the first protrusions 23 are formed between adjacent second protrusions 13;The rod body 11 and base 12 are integrated structure, and the included angle of the rod body 11 and base 12 is 135°-180°;The abutment and the implant are automatically centered after buckling, circumferential positioning can be realized, the axial contact area of the implant and the abutment is large, and large axial load can be borne.

[0036] The cross-sectional shape of the first groove 22 and the second groove 14 is rectangular groove, and the cross-sectional shape of the first protrusion 23 and the second protrusion 13 is rectangular protrusion;The first groove 22, the first protrusion 23, the second protrusion 13 and the second groove 14 are all provided with three, and the angle abutment based on the locking structure has two types of the same direction and the opposite direction of the locking protrusion direction, so that 60° adjustment of the angle abutment can be realized;The top and the bottom side of the groove are all chamfered, to avoid local stress concentration.

[0037] The abutment 1 and the implant 2 are circumferentially uniformly provided with three grooves, and the top and the bottom side of the groove are all chamfered, to avoid local stress concentration;The abutment and the implant are automatically centered after buckling, circumferential positioning can be realized, the axial contact area of the implant and the abutment is large, and large axial load can be borne.

[0038] In the implantation of the front incisor teeth, an angle abutment is often used, in order to ensure that the deflection angle of the angle abutment meets the expectation, the angle of the implant and the angle abutment after assembly needs to be within a certain range; therefore, the angle abutment based on the locking structure has two types of the same direction and the opposite direction of the locking convex angle direction, so that the 60° adjustment of the angle abutment can be realized.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A kind of implant and abutment triangular connection structure, it is characterized by: The application relates to a dental implant system, which comprises a base (1) and an implant (2), and the base (1) and the implant (2) are locked by a screw (3); the implant (2) comprises an implant body (21), a plurality of first grooves (22) are equidistantly arranged on the top of the implant body (21), and a first protrusion (23) is formed between adjacent first grooves (22); The base (1) comprises a rod body (11) and a base (12), the rod body (11) and the base (12) are provided with locking holes (15), one side of the base (12) is provided with the rod body (11), and the other side of the base (12) is provided with a plurality of second protrusions (13) matched with the first grooves (22); and a second groove (14) matched with the first protrusion (23) is formed between adjacent second protrusions (13).

2. The abutment-triangle connection structure of claim 1, wherein: The rod body (11) and the base (12) are integrated, and the included angle between the rod body (11) and the base (12) is 135-180 degrees.

3. The abutment-triangular connection structure of claim 1 or 2, wherein: The cross-sectional shape of the first groove (22) and the second groove (14) is an arc-shaped groove, and the cross-sectional shape of the first protrusion (23) and the second protrusion (13) is an arc-shaped protrusion.

4. The abutment-triangular connection structure of claim 3, wherein: The first groove (22), the first protrusion (23), the second protrusion (13) and the second groove (14) are all provided with four.

5. The abutment-triangular connection structure of the implant according to claim 1 or 2, characterized in that: The cross-sectional shape of the first groove (22) and the second groove (14) is a rectangular groove, and the cross-sectional shape of the first protrusion (23) and the second protrusion (13) is a rectangular protrusion.

6. The abutment-triangle connection structure of claim 5, wherein: The first groove (22), the first protrusion (23), the second protrusion (13) and the second groove (14) are all provided with three.

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