Dental implant restoration
By incorporating a snap-fit groove and hexagonal nut structure in the abutment, and utilizing a spring to drive the snap-fit block to engage with the snap-fit groove, the problem of loose connection between the abutment and the implant is solved, thus achieving the stability and long-term functionality of the dental implant.
Patent Information
- Application Number
- CN202422982139.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In traditional dental implant restorations, the connection between the abutment and the implant is prone to loosening, affecting the stability and lifespan of the implant and potentially leading to complications such as inflammation.
A snap-fit groove and hexagonal nut structure are set in the base. The snap-fit block driven by the spring cooperates with the snap-fit groove to realize the upper and lower limit of the bolt and enhance the connection stability.
It improves the connection stability between the abutment and the implant, reduces the probability of bone resorption and wear around the implant due to loosening, and ensures the long-term stability and functional reliability of dental implants in the oral cavity.
Smart Images

Figure CN223554993U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of dental implant restoration technology, specifically referring to a dental implant restoration. Background Technology
[0002] In the field of modern dentistry, dental implant restoration has become a widely used method for restoring missing teeth. Dental implants mainly consist of the implant body, abutment, and crown. Among these, the stability of the connection between the abutment and the implant body plays a crucial role in the long-term stability and functional performance of the entire implant restoration.
[0003] Traditionally, abutments and implants are connected using bolts. However, during long-term oral use, due to the complex chewing environment in the mouth, including biting forces in different directions and vibrations during chewing, this connection method relying solely on bolts is prone to loosening. Once the bolts loosen, the connection stability between the abutment and the implant decreases, which in turn affects the chewing function and occlusion of the implant, and may even cause a series of complications such as inflammation of the surrounding tissues. This seriously affects the effectiveness and lifespan of the implant restoration, and increases the patient's pain and treatment costs. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, this utility model provides a dental implant restoration that effectively solves the problem of easy loosening of the connection between the abutment and the implant.
[0005] To achieve the above functions, the technical solution adopted by this utility model is as follows: A dental implant restoration includes an implant, a crown, and an abutment. The abutment is connected to the implant, and the crown is bonded and fixed on the abutment. A trapezoidal circular hole is opened in the middle of the abutment, and an annular locking groove is provided in the circular hole. The abutment and the implant are connected by bolts. A hexagonal nut with a hollow structure and an open top is fixed to the top of the bolt. A T-shaped moving plate is slidably provided on the side wall of the hexagonal nut. A locking block is fixed at one end of the moving plate outside the hexagonal nut. A spring is connected between the inner wall of the hexagonal nut and the horizontal end of the moving plate.
[0006] Preferably, the hexagonal nut is rotated by wrench one and wrench two.
[0007] Preferably, both the first wrench and the second wrench include a rotating rod. An inner sleeve plate is fixed at one end of the rotating rod of the first wrench, and a connecting top plate is fixed at the top of the movable plate. The inner sleeve plate is fitted over the connecting top plate. An outer sleeve plate is fixed at one end of the rotating rod of the second wrench, and the outer sleeve plate is fitted over the snap-fit block.
[0008] Preferably, guide blocks are uniformly provided under the inner sleeve plate, and the guide blocks are wedge-shaped blocks with their bottoms located on one side of the center of the inner sleeve plate.
[0009] Preferably, the outer top surface of the snap-fit block is an inclined surface, and the height of the snap-fit block is the same as the height of the snap-fit groove.
[0010] Preferably, the inner and outer sleeve plates have the same shape as the hexagonal nut and are both hollow structures with open bottoms.
[0011] The beneficial effects of the above-mentioned structure of this utility model are as follows: by setting a snap-fit groove in the abutment to limit the upper and lower positions of the hexagonal nut at the top of the bolt, the stability of the connection between the abutment and the implant is effectively improved, ensuring the stability of the entire dental implant restoration in the oral cavity, reducing the probability of problems such as bone resorption around the implant and abutment wear caused by loose connection, and enabling the dental implant to function reliably in the oral cavity for a long time. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of a dental implant restoration proposed in this utility model. Figure 1 ;
[0013] Figure 2 This is a cross-sectional view of the abutment of a dental implant prosthesis proposed in this utility model;
[0014] Figure 3 This is a structural diagram of the hexagonal nut of a dental implant restoration proposed in this utility model;
[0015] Figure 4 This is a structural diagram of a hexagonal nut and a wrench part of a dental implant restoration proposed in this utility model;
[0016] Figure 5 This is a structural diagram of the hexagonal nut and the second wrench of a dental implant restoration proposed in this utility model;
[0017] Figure 6 This is a structural diagram of the wrench part of a dental implant restoration proposed in this utility model.
[0018] Among them, 1. implant, 2. crown, 3. abutment, 4. round hole, 5. snap-fit groove, 6. bolt, 7. hexagonal nut, 8. moving plate, 9. snap-fit block, 10. spring, 11. wrench one, 12. wrench two, 13. connecting top plate, 14. rotating rod, 15. outer sleeve plate, 16. inner sleeve plate, 17. guide block. Detailed Implementation
[0019] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.
[0021] like Figure 1-6 As shown, the dental implant restoration proposed in this utility model includes an implant 1, a crown 2, and an abutment 3. The abutment 3 is connected to the implant 1, and the crown 2 is bonded and fixed to the abutment 3. A trapezoidal circular hole 4 is opened in the middle of the abutment 3, and an annular locking groove 5 is provided in the circular hole 4. The abutment 3 and the implant 1 are connected by bolts 6. A hexagonal nut 7 with a hollow structure and an open top is fixed to the top of the bolt 6. A T-shaped moving plate 8 is slidably provided on the side wall of the hexagonal nut 7. A locking block 9 is fixed at one end of the moving plate 8 outside the hexagonal nut 7. A spring 10 is connected between the inner wall of the hexagonal nut 7 and the horizontal end of the moving plate 8. Due to the restoring force of the spring 10, the locking block 9 is locked into the locking groove 5.
[0022] like Figure 1 , 4 As shown in Figures 5 and 6, the hexagonal nut 7 is rotated by wrench 11 and wrench 212. When the hexagonal nut 7 is rotated to the position of the locking groove 5, wrench 212 is removed. Under the action of the spring 10's own restoring force, the locking block 9 is locked into the locking groove 5, thereby limiting the upper and lower positions of the bolt 6 and ensuring the stability of its connection. Both wrench 11 and wrench 212 include a rotating rod 14. An inner sleeve plate 16 is fixed at one end of the rotating rod 14 of wrench 11. A connecting top plate 13 is fixed at the top of the moving plate 8. The inner sleeve plate 16 is fitted over the connecting top plate 13 to facilitate the removal of the bolt 6. An outer sleeve plate 15 is fixed at one end of the rotating rod 14 of wrench 212. The outer sleeve plate 15 is fitted over the locking block 9 to facilitate the tightening and installation of the bolt 6. The inner sleeve plate 16 and the outer sleeve plate 15 have the same shape as the hexagonal nut 7 and are both hollow structures with open bottoms.
[0023] like Figure 6As shown, guide blocks 17 are evenly provided under the inner sleeve plate 16. The guide blocks 17 are wedge-shaped blocks and the bottom is located on one side of the center of the inner sleeve plate 16. The guide blocks 17 press and connect the top plate 13, so that the connecting top plate 13 drives the moving plate 8 and the snap-fit block 9 to move, so that the snap-fit block 9 moves out of the snap-fit groove 5.
[0024] like Figure 3 As shown, the outer top of the snap-fit block 9 is an inclined surface, and the height of the snap-fit block 9 is the same as the height of the snap-fit groove 5.
[0025] In practical use, during dental implant restoration surgery, the implant 1 is first implanted into the patient's alveolar bone. After a period of healing, once the implant 1 has formed good osseointegration with the alveolar bone, the abutment 3 is installed. The bolt 6 is passed through the round hole 4 of the abutment 3, and the outer plate 15 of the wrench 2 12 is placed over the retaining block 9. At this time, the retaining block 9 is tightly attached to the outer wall of the hexagonal nut 7, and the spring 10 is stretched. By rotating the rotating rod 14, the bolt 6 is screwed into the internal threaded hole at the top of the implant 1. The wrench 2 12 is removed, and under the action of the spring 10's own restoring force, the retaining block 9 is engaged in the retaining groove 5. At this time, the hexagonal nut 7 is limited vertically by the retaining groove 5 and cannot be easily moved in the vertical direction. Finally, the crown 2 is installed on the abutment 3, completing the construction of the entire dental implant restoration.
[0026] Using wrench 11, the inner sleeve 16 is placed over the connecting top plate 13. Under the action of the guide block 17, the connecting top plate 13 is pressed, and the connecting top plate 13 drives the snap-fit block 9 to move out of the snap-fit groove 5. Rotating the rotating rod 14 makes it easier to remove the bolt 6.
[0027] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A dental implant restoration, characterized in that: The device includes an implant (1), a crown (2), and an abutment (3). The abutment (3) is connected to the implant (1), and the crown (2) is bonded and fixed to the abutment (3). The abutment (3) has a trapezoidal circular hole (4) in the middle, and an annular locking groove (5) is provided in the circular hole (4). The abutment (3) and the implant (1) are connected by a bolt (6). The top of the bolt (6) is fixed with a hollow hexagonal nut (7) with a top opening. A T-shaped moving plate (8) is slidably provided on the side wall of the hexagonal nut (7). One end of the moving plate (8) is located outside the hexagonal nut (7) and a locking block (9) is fixed thereon. A spring (10) is connected between the inner wall of the hexagonal nut (7) and the horizontal end of the moving plate (8).
2. The dental implant restoration according to claim 1, characterized in that: The hexagonal nut (7) is rotated by wrench one (11) and wrench two (12).
3. The dental implant restoration according to claim 2, characterized in that: Both the first wrench (11) and the second wrench (12) include a rotating rod (14). An inner sleeve plate (16) is fixed at one end of the rotating rod (14) of the first wrench (11). A connecting top plate (13) is fixed at the top of the moving plate (8). The inner sleeve plate (16) is fitted over the connecting top plate (13). An outer sleeve plate (15) is fixed at one end of the rotating rod (14) of the second wrench (12). The outer sleeve plate (15) is fitted over the snap-fit block (9).
4. The dental implant restoration according to claim 3, characterized in that: Guide blocks (17) are evenly provided under the inner sleeve plate (16). The guide blocks (17) are wedge-shaped blocks and their bottoms are inclined on one side of the center of the inner sleeve plate (16).
5. The dental implant restoration according to claim 4, characterized in that: The outer top of the snap-fit block (9) is an inclined surface, and the height of the snap-fit block (9) is the same as the height of the snap-fit groove (5).
6. The dental implant restoration according to claim 5, characterized in that: The inner sleeve plate (16) and outer sleeve plate (15) have the same shape as the hexagonal nut (7) and are both hollow structures with open bottoms.