Self-locking repair abutment

Abstract

The utility model provides a self-locking type repair abutment, which comprises a dental crown, an abutment, a screw and an implant, the lower part of the dental crown and the abutment are fixed in a surface limiting manner, the screw sequentially penetrates through the dental crown and the abutment and then is in threaded locking fit with the implant, an upper interface of the screw can enable a conical opening at the upper part of the abutment to deform during locking, and the screw is matched with the internal structure of the dental crown to lock the dental crown. And repairing the self-locking base station. According to the self-locking type repairing abutment disclosed by the utility model, additional self-locking glue bonding operation does not need to be carried out between the abutment and the dental crown, the dental crown is synchronously locked when the abutment is locked to the implant by the screw, and the self-locking type repairing abutment has the characteristics of strong applicability, portability in use and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oral cavity machinery field, especially is involved in a self -locking type repair base station. BACKGROUND

[0002] The dental base belongs to disposable sterilization product, and the main function is to fix the dental crown on the implant in the dental implant surgery, the base raw material selects TA4 bar stock, and the final product shape is completed through the machining process cutting. The existing repair mode is that the screw fastening connection is arranged between the implant and the base, and the adhesive glue is used for adhesion connection between the base and the dental crown, the process is more complicated and needs certain operation experience, and the adhesive glue is not easy to clean up due to slight carelessness. In order to more conveniently and simply complete the implant repair, a new base repair mode is needed. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model aims at providing a self -locking type repair base station to solve the inconvenient operation and the complex process of the doctor when performing the intraoral implant repair for the patient.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A self -locking type repair base station, including dental crown, base station, screw and implant, the dental crown is fixed with the base station with face limit below, and the screw is locked with the implant in sequence after passing through the dental crown and the base station, and the upper interface of the screw is deformed at the same time, and the upper part of the base station is locked with the dental crown, and the self -locking base station repair is completed.

[0006] Further, the dental crown is provided with a cylindrical mounting hole, and an annular limiting protrusion is arranged in the mounting hole, and the mounting hole is used for mounting the base station and the screw.

[0007] Further, the base station comprises an upper part and a lower part in an integral structure, the lower part is a through hole for passing through the screw, and the upper part comprises a plurality of locking parts, the plurality of locking parts are arranged in a circumferential direction to form a taper, and a key groove is formed between the adjacent two locking parts, and each locking part is connected to the lower part below and is provided with a clamping table above.

[0008] Further, the screw comprises an upper interface, a connecting part and a lower interface in an integral structure, the upper interface is used for locking the dental crown with the upper part, and the lower interface is used for connecting the implant.

[0009] Further, the lower interface is provided with an external thread.

[0010] Further, the upper interface comprises an upper inclined surface, a vertical surface and a lower inclined surface connected in sequence, the lower inclined surface is pressed tightly with the clamping table, and the vertical surface is in contact with the inner wall of the mounting hole.

[0011] Further, the implant is internally provided with internal threads matched with the screw, and externally provided with external threads.

[0012] Compared with the prior art, the self-locking repair base has the following advantages:

[0013] (1) The self-locking repair base does not need to perform additional self-locking adhesive bonding operation between the base and the dental crown, and the screw synchronously locks the dental crown when locking the base to the implant, and has the characteristics of strong applicability, light use and the like.

[0014] (2) The self-locking repair base is matched with the interfaces of different series of dental implants, different series of lower interfaces of the base can be replaced according to requirements, the interface retention mode corresponding to each series of each manufacturer is adopted, and damage or damage of the screw thread of the dental implant caused by the universal interface screw thread locking mode can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, and the illustrative embodiments of the present application and their description are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0016] Figure 1 is a sectional view of the self-locking repair base according to the embodiment of the present application;

[0017] Figure 2 is a sectional view of the dental crown according to the embodiment of the present application;

[0018] Figure 3 is a schematic view of the base according to the embodiment of the present application;

[0019] Figure 4 is a sectional view of the base according to the embodiment of the present application;

[0020] Figure 5 is a sectional view of the screw according to the embodiment of the present application;

[0021] Figure 6 is a sectional view of the implant according to the embodiment of the present application.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1-dental crown; 11-mounting hole; 12-limiting protrusion; 2-base; 21-lower part; 22-upper part; 221-clamping table; 222-locking part; 3-screw; 31-upper interface; 331-upper inclined surface; 332-vertical surface; 333-lower inclined surface; 32-connection part; 33-lower interface; 4-implant. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other in the case of no conflict.

[0025] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise specified.

[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] A self-locking type repair base, as shown in Figures 1 to 6 The lower part of the dental crown 1 is fixed with the base 2 by surface limiting, and the screw 3 is screwed and locked with the implant 4 in sequence after passing through the dental crown 1 and the base 2, and at the same time of locking, the upper interface 31 of the screw 3 will cause the deformation of the taper mouth of the upper part 22 of the base 2, cooperate with the internal structure of the dental crown 1 to lock the dental crown 1, and complete the self-locking base repair. The self-locking base repair method provides a new intraoral implant repair method, which has strong applicability, and the base can adapt to various series of dental implants, and the color of the upper interface of the base and the structure of the lower interface can be changed according to the demand, so that the series of dental implants can be distinguished for easy selection.

[0029] The dental crown 1 is provided with a cylindrical mounting hole 11, and the mounting hole 11 is provided with an annular limiting protrusion 12 inside, and the mounting hole 11 is used for mounting the base 2 and the screw 3.

[0030] The base 2 comprises an upper part 22 and a lower part 21 which are integrated, the lower part 21 is a through hole for passing through the screw 3, the upper part 22 comprises a plurality of locking parts 222 which are arranged circumferentially to form a taper, and a key groove is formed between two adjacent locking parts 222, each locking part 222 is connected to the lower part 21 below and is provided with a clamping post 221 above.

[0031] The screw 3 comprises an upper interface 31, a connecting part 32 and a lower interface 33 which are integrated, the upper interface 31 is matched with the upper part 22 to lock the crown, and the lower interface 33 is used to connect the implant 4.

[0032] Preferably, the lower interface 33 is provided with external threads.

[0033] The upper interface 31 comprises an upper inclined surface 331, a vertical surface 332 and a lower inclined surface 333 which are connected in sequence, in order to better fit the lower inclined surface 333, the upper part 221 is provided with an inclined surface structure above, the lower inclined surface 333 is pressed against the clamping post 221, and the vertical surface 332 is in contact with the inner wall of the mounting hole 11. The structure of the upper inclined surface 331 is beneficial to reduce the friction when the screw 3 enters the mounting hole.

[0034] The implant 4 is internally provided with internal threads matched with the screw 3, and is externally provided with external threads.

[0035] The use principle of the self-locking type repair base is as follows:

[0036] In use, the operating doctor only needs to select the corresponding type of matching repair base according to the tooth implant series and the required transgingival height of the patient, put the base 2 into the implant 4, and directly put the crown 1 onto the base 2, and then lock the base 2 to the implant 4 by using the screw 3 to complete the intraoral implant repair, and the locking process is as follows: the clamping post 221 of the base 2 is located above the limiting protrusion 12, and when the screw 3 is pressed into the mounting hole 11 and connected with the implant 4, the lower inclined surface 333 will fit the inclined surface of the clamping post 221, and as the screw 3 is pressed down, due to the effect of the limiting protrusion 12, the locking part 222 will deform to compress the space of the key groove, so that the taper of the upper part 22 is deformed, thereby locking the crown 1 and the base 2. The self-locking type base repair method has the characteristics of strong applicability and light use, and does not need to perform additional self-locking glue bonding operation between the base 2 and the crown 1, and the screw 3 simultaneously locks the crown 1 when locking the base 2 to the implant 4. In order to match the interfaces of different series of tooth implants, different series of base lower interfaces can be replaced according to the needs, and the interface retention method corresponding to each series of each manufacturer is adopted, so that the damage or destruction of the screw threads of the tooth implant caused by the universal interface screw locking method can be effectively avoided.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-locking repair base, characterized in that: The procedure includes a crown, abutment, screws, and implant. The crown is fixed to the abutment by surface confinement, and the screw passes through the crown and abutment in sequence before being threaded into the implant. During the tightening process, the screw interface causes the tapered opening on the upper part of the abutment to deform, which cooperates with the internal structure of the crown to lock the crown in place, thus completing the self-ligating abutment restoration.

2. The self-locking repair base according to claim 1, characterized in that: The crown has a cylindrical mounting hole with an annular limiting protrusion inside. The mounting hole is used to install the base and screws.

3. The self-locking repair base according to claim 1, characterized in that: The base includes an integral upper and lower structure. The lower part has a through hole for screws to pass through. The upper part includes several locking parts, which are circumferentially arranged to form a tapered opening. A keyway is formed between two adjacent locking parts. Each locking part is connected to the lower part below and has a locking platform above.

4. The self-locking repair base according to claim 2, characterized in that: The screw comprises an integrated upper interface, a connecting part, and a lower interface. The upper interface engages with the upper part to lock the crown, and the lower interface is used to connect the implant.

5. A self-locking repair base according to claim 4, characterized in that: The lower interface is provided with external threads.

6. A self-locking repair base according to claim 4, characterized in that: The upper interface includes an upper inclined surface, a vertical surface, and a lower inclined surface connected in sequence. The lower inclined surface is pressed against the mounting plate, and the vertical surface is in contact with the inner wall of the mounting hole.

7. The self-locking repair base according to claim 1, characterized in that: The implant has internal threads that mate with screws, and external threads on the outside.

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