Bonding-free repair abutment

By designing a bond-free repair base, using a combination of the base body and repair screws, combined with the structural design of deformation gaps and positioning blocks, the problems of cumbersome repair methods and easy overflow of adhesive glue in the existing technology are solved, and the repair effect of simple operation and adapting to a variety of series of dental implants is achieved.

CN222804364UActive Publication Date: 2025-04-29江苏柯润玺医疗科技发展有限公司
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Patent Information

Application Number
CN202420838509.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-29
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The repair method of existing dental abutments is complicated and requires operating experience. The adhesive is easy to overflow and not easy to clean, making it difficult to achieve easier implant restoration.

Method used

A bond-free repair base is designed, using a combination of the abutment body and repair screws. Through the structural design of the No. 1 and No. 2 mating zones, combined with deformation notch and positioning blocks, the fixed connection between the crown, abutment and implant is achieved, avoiding the use of adhesive.

Benefits of technology

It realizes the repair of simple operation and adapts to a variety of series of dental implants, avoids the use of adhesive, reduces the complexity of operation and the risk of misoperation, and improves the efficiency and reliability of repair.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bonding-free repair abutment which is used for fixing an implant and a dental crown. Comprising an abutment body and a repairing screw, the abutment body is divided into a first matching area, a transition area and a second matching area from top to bottom, and the first matching area is used for being connected with a dental crown; the second matching area is used for implant connection; the abutment body is hollow, and the repair screw penetrates through the abutment body and is in threaded connection with the interior of the implant, so that the dental crown, the abutment body and the implant can be fixedly connected. The dental implant abutment is high in applicability, the abutment can adapt to various series of dental implants, the color of the upper interface and the structure of the lower interface of the abutment can be changed according to requirements, and the series of the dental implants can be distinguished, so that convenience is brought to selection.
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Description

Technical Field

[0001] The utility model belongs to the field of dental implantation, and in particular relates to a bonding-free repair base. Background Art

[0002] Dental abutments are disposable sterilized products. Their main function is to fix the crown on the implant during dental implant surgery. The raw material of the abutment is TA4 rod material, which is machined to form the final product shape. The existing restoration method is to fasten the implant and the abutment with screws, and to use adhesive to bond the abutment and the crown. The process is relatively cumbersome and requires certain operating experience. If you are not careful, the adhesive may overflow and be difficult to clean. In order to complete implant restoration more conveniently and easily, a new restoration abutment is needed. Utility Model Content

[0003] In view of this, the utility model aims to provide a bonding-free restoration abutment that can adapt to various series of dental implants. The upper interface color and lower interface structure of the abutment can be changed according to needs, and the series of dental implants can be distinguished for easy selection.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A bonding-free repair base, used for fixing an implant and a crown; comprising a base body and a repair screw, wherein the base body comprises a first matching area, a transition area and a second matching area from top to bottom, wherein the first matching area is used for connecting with the crown;

[0006] The second matching area is used for implant connection;

[0007] The base body is hollow, and the repair screw passes through the base body and is connected to the internal thread of the implant, so that the crown, the base body and the implant can be fixedly connected.

[0008] Furthermore, the No. 1 matching area is in a cylindrical structure, a No. 1 slot is provided on the upper circumferential surface of the No. 1 matching area, and a No. 1 positioning block is provided on the lower circumferential surface;

[0009] Two symmetrically arranged deformation notches are also provided on the upper part of the No. 1 matching area, and the deformation notches form a deformation area on the top of the No. 1 matching area.

[0010] Furthermore, the dental crown is provided with a No. 1 clamping ring matched with the No. 1 clamping groove, and is also provided with a No. 1 positioning groove matched with the No. 1 positioning block;

[0011] The No. 1 clamping ring is clamped with the No. 1 clamping groove, and the No. 1 positioning block enters the No. 1 positioning groove, thereby achieving preliminary fixation between the base body and the crown.

[0012] Furthermore, the transition zone is a conical structure, which can form a limit between the hole of the implant, and the top of the transition zone forms a step structure with the No. 1 matching zone bracket, and a limit is formed between the step structure and the hole of the crown.

[0013] Furthermore, the nut on the top of the repair screw is a conical structure.

[0014] The repair screw passes through the base body and is threadedly connected to the implant. When the repair screw is rotated, the nut of the repair screw can squeeze the deformation area and then expand the deformation area.

[0015] Furthermore, the expanded deformation zone tightly fixes the No. 1 clamping ring and the No. 1 clamping groove; and rotating the repair screw also tightly fixes the implant and the transition zone.

[0016] Furthermore, the No. 2 matching area is also a cylindrical structure, and a plurality of connecting surfaces are provided on the circumferential surface of the No. 2 matching area, and the connecting surfaces can form positioning and limiting with the implant.

[0017] Compared with the prior art, the adhesive-free repair base described in the utility model has the following advantages:

[0018] (1) The utility model provides a bonding-free restoration abutment, which can adapt to various series of dental implants. The color of the upper interface and the structure of the lower interface of the abutment can be changed according to needs, and the series of dental implants can be distinguished for easy selection.

[0019] (2) The utility model is a bonding-free restoration abutment, which is easy to operate. When using it, the doctor only needs to select a corresponding model of a matching restoration abutment according to the dental implant series and the gingival penetration height required by the patient, put the abutment into the implant, and then directly put the crown on the abutment, and use screws to lock the abutment to the implant to complete the intraoral implant restoration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of a bonding-free repair abutment according to an embodiment of the utility model;

[0022] Figure 2 This is a cross-sectional schematic diagram of a repair work being carried out on a bonding-free repair base according to an embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. Abutment body; 11. Matching area No. 1; 111. Slot No. 1; 112. Positioning block No. 1; 113. Deformation notch; 12. Transition area; 13. Matching area No. 2; 131. Connection surface; 2. Restoration screw; 3. Crown; 31. Clamp No. 1; 32. Positioning slot No. 1; 4. Implant. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0029] A bonding-free restoration base is used to fix the implant 4 and the crown 3; Figure 1 Figure 2 As shown, it includes an abutment body 1 and a repair screw 2. The abutment body 1 includes a first matching area 11, a transition area 12 and a second matching area 13 from top to bottom. The first matching area 11 is used to connect with the crown 3; the second matching area 13 is used to connect with the implant 4;

[0030] The base body 1 is hollow, and the repair screw 2 passes through the base body 1 and is connected to the internal thread of the implant 4, so as to realize a fixed connection between the crown 3, the base body 1 and the implant 4.

[0031] Preferably, the No. 1 matching area 11 is a cylindrical structure, a No. 1 slot 111 is provided on the upper circumferential surface of the No. 1 matching area 11, and a No. 1 positioning block 112 is provided on the lower circumferential surface;

[0032] Two symmetrically arranged deformation notches 113 are also provided on the upper part of the No. 1 matching area 11 , and the deformation notches 113 form a deformation area on the top of the No. 1 matching area.

[0033] Preferably, the crown 3 is provided with a No. 1 clamping ring 31 that matches with the No. 1 clamping groove 111, and is also provided with a No. 1 positioning groove 32 that matches with the No. 1 positioning block 112;

[0034] The No. 1 clamping ring 31 is clamped with the No. 1 clamping groove 111 , and the No. 1 positioning block 112 enters the No. 1 positioning groove 32 , thereby achieving preliminary fixation between the base body 1 and the crown 3 .

[0035] Preferably, the transition zone 12 is a conical structure, which can form a limit between the hole of the implant 4, and the top of the transition zone 12 forms a step structure with the support of the first matching zone 11, and a limit is formed between the step structure and the hole of the crown 3.

[0036] Preferably, the nut on the top of the repair screw 2 is a conical structure in order to cooperate with the deformation zone;

[0037] The outer diameter of the repair screw 2 gradually decreases from top to bottom and is also a tapered structure; and a stepped hole is provided in the implant 4, the end of the base body 1 forms a limit with the upper hole of the stepped hole, the lower hole of the stepped hole is provided with an internal thread, and the repair screw 2 is threadedly connected with the internal thread of the lower hole;

[0038] The repair screw 2 passes through the base body 1 and is threadedly connected to the implant 4. When the repair screw 2 is rotated, the nut of the repair screw 2 can squeeze the deformation area and then expand the deformation area.

[0039] Preferably, the expanded deformation zone enables the first clamping ring 31 to be tightly fixed to the first clamping groove 111 ; and the rotation of the repair screw 2 also enables the implant 4 to be tightly fixed to the transition zone 12 .

[0040] Preferably, the second matching area 13 is also a cylindrical structure, and a plurality of connecting surfaces 131 are provided on the circumferential surface of the second matching area 13 , and the connecting surfaces 131 can form positioning and limiting with the implant 4 .

[0041] When in use, the repair screw 2 is passed through the crown 3, the base body 1 and the implant 4 in sequence, and the crown 3, the base body 1 and the implant 4 can be tightly connected by rotating the repair screw 2;

[0042] The repair method of the repair base is highly applicable and easy to use, and no additional adhesive bonding operation is required between the base body 1 and the crown 3. In order to match the interfaces of different series of dental implants 4, different series of base sub-interfaces can be replaced according to needs, and the interface retention method corresponding to each series of each manufacturer is adopted, which effectively avoids the dental implant 4 being easily scratched or damaged by the universal interface thread locking method.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bonding-free repair base for fixing an implant and a crown; characterized in that: It includes an abutment body and a repair screw. The abutment body includes a first matching area, a transition area and a second matching area from top to bottom. The first matching area is used to connect with the crown. The second matching area is used for implant connection; The base body is hollow, and the repair screw passes through the base body and is connected to the internal thread of the implant, so that the crown, the base body and the implant can be fixedly connected.

2. The bonding-free repair abutment according to claim 1, characterized in that: The No. 1 matching area is in a cylindrical structure, a No. 1 slot is provided on the upper circumferential surface of the No. 1 matching area, and a No. 1 positioning block is provided on the lower circumferential surface; Two symmetrically arranged deformation notches are also provided on the upper part of the No. 1 matching area, and the deformation notches form a deformation area on the top of the No. 1 matching area.

3. The adhesive-free repair abutment according to claim 2, characterized in that: The crown is provided with a No. 1 clamping ring matched with a No. 1 clamping groove, and is also provided with a No. 1 positioning groove matched with a No. 1 positioning block; The No. 1 clamping ring is clamped with the No. 1 clamping groove, and the No. 1 positioning block enters the No. 1 positioning groove, thereby achieving preliminary fixation between the base body and the crown.

4. The adhesive-free repair abutment according to claim 1, characterized in that: The transition zone is a conical structure, which can form a limit between the hole of the implant, and the top of the transition zone forms a step structure with the No. 1 matching zone bracket, which forms a limit between the step structure and the hole of the crown.

5. The adhesive-free repair abutment according to claim 4, characterized in that: The nut on the top of the repair screw is a conical structure. The repair screw passes through the base body and is threadedly connected to the implant. When the repair screw is rotated, the nut of the repair screw can squeeze the deformation area and then expand the deformation area.

6. The bonding-free repair abutment according to claim 5, characterized in that: The expanded deformation zone tightly fixes the No. 1 clamp ring and the No. 1 clamp groove; and rotating the repair screw also tightly fixes the implant and the transition zone.

7. The adhesive-free repair abutment according to claim 1, characterized in that: The No. 2 matching area is also a cylindrical structure, and a plurality of connecting surfaces are provided on the circumferential surface of the No. 2 matching area, and the connecting surfaces can form positioning and limiting with the implant.