Improved device for planting bridge screw holes

By improving the screw hole device of the implant bridge, the problem of unsightly screw holes caused by insufficient implant bone volume has been solved, achieving screw concealment and stable connection, thus improving the aesthetics and ease of maintenance of dental implants.

CN224523297UActive Publication Date: 2026-07-21DONGGUAN YANGZIJING DENTAL LAB CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN YANGZIJING DENTAL LAB CO LTD
Filing Date
2025-01-16
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

When patients have insufficient bone volume, the existing dental implants are often angled labially, resulting in unsightly screw holes on the labial side and inconvenient maintenance.

Method used

Design an improved screw hole device for implantation bridges. The bridge body is provided with multiple screw holes and the screws are hidden and fixed. It is made of titanium alloy and flexible materials. The screw holes are threaded to the implant, so as to achieve screw hiding and stability.

Benefits of technology

This design achieves both aesthetic appeal and ease of maintenance for the screw holes, improving the practicality and stability of dental implants.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improve planting bridge frame screw hole device, including bridge frame body, the bridge frame body upper end is provided with the bridge crown, and the inside lower end interval of bridge crown is provided with first screw hole, second screw hole and third screw hole, and the inside of first screw hole and third screw hole is provided with first fixed screw and second fixed screw respectively, the inside of second screw hole is provided with third fixed screw. The improve planting bridge frame screw hole device, through with first screw hole, second screw hole and third screw hole are separately arranged in the tongue side, make when installing bridge frame body and bridge crown and dental crown, first fixed screw, second fixed screw and third fixed screw are located in the tongue side, hide to it to reach the beautiful requirement also convenient later period maintenance, improve practical practicality.
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Description

Technical Field

[0001] This utility model relates to the field of dental implant technology, specifically to a device for improving the screw holes of dental implant bridges. Background Technology

[0002] Dental implants are a method of restoring missing teeth by using a substructure implanted into the bone tissue to support and retain the superstructure. It consists of two parts: the supporting implant and the superstructure dental prosthesis. The implant (generally resembling a tooth root) is made of artificial materials (such as metal or ceramic) and surgically implanted into the bone tissue (usually the upper or lower jaw) to obtain firm retention support. It is then connected to the superstructure dental prosthesis using special devices and methods.

[0003] When using existing dental implants, if the patient's bone volume is insufficient and the implant angle is off-center to the labial side, it will affect the opening when making the crown. As a result, the screw holes need to be made on the labial side, which is not aesthetically pleasing and makes later maintenance inconvenient. To address the above problems, the existing equipment needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide an improved screw hole device for dental implants, in order to solve the problem mentioned in the background art that when patients have insufficient bone volume, causing the implant angle to be off-labial, it will affect the opening of the hole when making the crown, resulting in the screw hole needing to be made on the labial side, which is not aesthetically pleasing and inconvenient for later maintenance.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an improved device for screw holes in planting cable trays, comprising a cable tray body,

[0006] The upper end of the cable tray body is provided with a connecting crown, and the lower inner side of the connecting crown is provided with a first screw hole, a second screw hole and a third screw hole spaced apart. At the same time, the first screw hole and the third screw hole are respectively provided with a first fixing screw and a second fixing screw, and the second screw hole is provided with a third fixing screw.

[0007] Preferably, a protective base is provided at the bottom of the lower end of the bridge frame body, and a locking seat is provided at the lower end of the protective base. The inner side of the locking seat is locked and connected to the top of the corresponding implant. Both the protective base and the locking seat are made of flexible material.

[0008] Preferably, the bridge body and the connecting crown are an integral structure, and both the bridge body and the connecting crown are made of titanium alloy, while the shape of the connecting crown is the same as the shape of the dental crown.

[0009] Preferably, the first screw hole and the third screw hole are the same size, the second screw hole is a T-shaped structure, and the lower ends of the first screw hole, the third screw hole and the second screw hole are provided with threaded grooves that are opposite to the first fixing screw, the second fixing screw and the third fixing screw.

[0010] Preferably, the first fixing screw, the second fixing screw, and the third fixing screw are all made of German imported material SAP, and the first fixing screw, the second fixing screw, and the third fixing screw pass through the first screw hole, the third screw hole, and the second screw hole, respectively, and are connected to the corresponding implant internal thread.

[0011] Preferably, the crests of the first and second fixing screws are located above the corresponding first and third screw holes, and the crest of the third fixing screw is located at the upper end of the inside of the second screw hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the improved screw hole device for planting bridges,

[0013] To address the issue that insufficient bone volume in existing dental implants leads to an implant angle that is labial, affecting the opening of the crown and resulting in unsightly and inconvenient screw holes on the labial side, this application addresses this problem by placing the first, second, and third screw holes separately on the lingual side. This allows the first, second, and third fixing screws to be concealed on the lingual side during the installation of the bridge body, connecting crown, and dental crown, thus achieving both aesthetic appeal and ease of maintenance, thereby improving practicality. Attached Figure Description

[0014] Figure 1 This is a frontal three-dimensional structural diagram of the cable tray body of this utility model;

[0015] Figure 2 This is a frontal three-dimensional structural diagram of the present invention;

[0016] Figure 3 This is a front view cross-sectional structural diagram of the first screw hole of this utility model;

[0017] Figure 4 This is a front view cross-sectional structural diagram of the second screw hole of this utility model.

[0018] In the diagram: 1. Cable tray body; 101. Protective base; 102. Clamping seat; 2. Connecting crown; 3. First screw hole; 4. Second screw hole; 5. Third screw hole; 6. First fixing screw; 7. Second fixing screw; 8. Third fixing screw; 9. Implant. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 This utility model provides a technical solution: an improved screw hole device for planting bridges, based on... Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a connecting crown 2 is provided on the upper end of the cable tray body 1. The cable tray body 1 and the connecting crown 2 are an integral structure, and both the cable tray body 1 and the connecting crown 2 are made of titanium alloy. The shape of the connecting crown 2 is the same as that of the dental crown. The surface roughness of the cable tray body 1 and the connecting crown 2 should reach Ra≤3.2μm. The lower inner side of the connecting crown 2 is provided with a first screw hole 3, a second screw hole 4, and a third screw hole 5 spaced apart. The first screw hole 3 and the third screw hole 5 are respectively provided with a first fixing screw 6 and a second fixing screw 7. The second screw hole 4 is provided with a... The bridge body 1 is equipped with a third fixing screw 8. A protective base 101 is provided at the bottom of the lower end of the bridge body 1, and a locking seat 102 is provided at the lower end of the protective base 101. The inner side of the locking seat 102 is engaged with the top of the corresponding implant 9. Both the protective base 101 and the locking seat 102 are made of flexible material. The gap between the protective base 101 and the locking seat 102 and the implant 9 should be ≤0.035mm. The protective base 101 and the locking seat 102 protect the bridge body 1 from damage to the dental alveolar bone during use.

[0021] To further explain, the first screw hole 3 and the third screw hole 5 are the same size, and the second screw hole 4 has a T-shaped structure. The lower ends of the first screw hole 3, the third screw hole 5 and the second screw hole 4 are all provided with threaded grooves that are opposite to the first fixing screw 6, the second fixing screw 7 and the third fixing screw 8, so that the first fixing screw 6, the second fixing screw 7 and the third fixing screw 8 are more firmly connected to the corresponding first screw hole 3, the third screw hole 5 and the second screw hole 4, locking the crown and improving the stability and aesthetics during use.

[0022] To further explain, the first fixing screw 6, the second fixing screw 7, and the third fixing screw 8 are all made of imported German material, SAP. This improves the rigidity of the first fixing screw 6, the second fixing screw 7, and the third fixing screw 8, and enhances the fit between the crown and the bridge body 1. This allows the crown to fit more stably on the connecting crown 2. The first fixing screw 6, the second fixing screw 7, and the third fixing screw 8 pass through the first screw hole 3, the third screw hole 5, and the second screw hole 4, respectively, and are connected to the internal threads of the corresponding implant 9. The crests of the first fixing screw 6 and the second fixing screw 7 are located above the corresponding first screw hole 3 and the third screw hole 5, while the crest of the third fixing screw 8 is located at the upper end of the second screw hole 4. This facilitates the concealment of the first fixing screw 6, the second fixing screw 7, and the third fixing screw 8, and also facilitates the installation and removal of the first fixing screw 6, the second fixing screw 7, and the third fixing screw 8, thus improving the practicality of the device.

[0023] In use, the protective base 101 and the engagement seat 102 at the bottom of the lower end of the bridge body 1 are engaged and fixed with the corresponding implants 9 to position the bridge body 1 and improve the accuracy of the installation position. Then, the first fixing screw 6, the second fixing screw 7 and the third fixing screw 8 are rotated through the corresponding first screw hole 3, the third screw hole 5 and the second screw hole 4 to connect with the internal threads of the corresponding implants 9, thereby installing and fixing the bridge body 1 and the connecting crown 2. Finally, the crown is fitted onto the outer side of the corresponding position on the connecting crown 2.

[0024] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An improved device for planting bridge screw holes, comprising a bridge body (1), characterized in that: The upper end of the cable tray body (1) is provided with a connecting crown (2), and the lower end of the inner side of the connecting crown (2) is provided with a first screw hole (3), a second screw hole (4) and a third screw hole (5) spaced apart. At the same time, the first screw hole (3) and the third screw hole (5) are respectively provided with a first fixing screw (6) and a second fixing screw (7), and the second screw hole (4) is provided with a third fixing screw (8).

2. The device for improving the screw holes of planting bridges as described in claim 1, characterized in that: The lower end of the bridge frame body (1) is provided with a protective base (101), and the lower end of the protective base (101) is provided with a locking seat (102). At the same time, the inner side of the locking seat (102) is locked and connected to the top of the corresponding implant (9). The protective base (101) and the locking seat (102) are both made of flexible materials.

3. The device for improving the screw holes of planting bridges as described in claim 1, characterized in that: The bridge body (1) and the connecting crown (2) are an integral structure, and both the bridge body (1) and the connecting crown (2) are made of titanium alloy. At the same time, the shape of the connecting crown (2) is the same as that of the tooth crown.

4. The device for improving the screw holes of planting bridges as described in claim 1, characterized in that: The first screw hole (3) and the third screw hole (5) are the same size. The second screw hole (4) is a T-shaped structure. The lower ends of the first screw hole (3), the third screw hole (5) and the second screw hole (4) are provided with threaded grooves that are opposite to the first fixing screw (6), the second fixing screw (7) and the third fixing screw (8).

5. The device for improving the screw holes of planting bridges as described in claim 1, characterized in that: The first fixing screw (6), the second fixing screw (7) and the third fixing screw (8) are all made of German imported material SAP. The first fixing screw (6), the second fixing screw (7) and the third fixing screw (8) pass through the first screw hole (3), the third screw hole (5) and the second screw hole (4) respectively and are connected to the internal middle thread of the corresponding implant (9).

6. The device for improving the screw holes of planting bridges as described in claim 1, characterized in that: The crests of the first fixing screw (6) and the second fixing screw (7) are located above the corresponding first screw hole (3) and third screw hole (5), and the crest of the third fixing screw (8) is located inside the upper end of the second screw hole (4).