Fixing assembly for dental implant

By combining artificial tooth roots, fixed inner rods, and positioning caps, the problem of inconvenient angle adjustment during dental implant installation is solved, achieving stable connection and ease of operation, and improving the stability of dental implant surgery.

CN223640860UActive Publication Date: 2025-12-09JIANGSU COLLEGE OF NURSING
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Patent Information

Application Number
CN202422605327.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-12-09
Estimated Expiration
2034-10-28

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Abstract

The fixing assembly comprises an artificial tooth root, a fixing inner rod, a positioning cap and an artificial tooth crown, a threaded groove is formed in the outer surface of the artificial tooth root, a threaded inner hole is formed in the center of the artificial tooth root, a first inner hexagonal hole is formed in the upper end of the threaded inner hole, and a second inner hexagonal hole is formed in the lower end of the inner hexagonal hole. A fixed inner rod in threaded connection is arranged in the threaded inner hole, a positioning cap in rotary connection is arranged at the upper end of the fixed inner rod, an insertion hole is formed in the side wall of the positioning cap, an artificial dental crown in buckling connection is arranged at the top of the positioning cap, a bolt hole is formed in the side wall of the artificial dental crown, and a connecting pin in insertion connection is arranged in the bolt hole. According to the dental implant fixing assembly, the structural design that the artificial tooth root, the fixing inner rod, the positioning cap and the artificial dental crown form the dental implant fixing assembly and the positioning cap is separated from the artificial tooth root is adopted, so that the angle of the positioning cap can be conveniently adjusted in the mounting process, the angle of the artificial dental crown can be conveniently adjusted, and the operation convenience and stability in a dental implant operation are greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of dental implant technology, specifically to a fixation component for dental implants. Background Technology

[0002] Dental implants (or "implant prostheses" in oral medicine) are prostheses consisting of a dental implant and its supporting superstructure. Dental implants, also known as artificial tooth roots, are made of artificial materials (such as metal or ceramic) and surgically implanted into the jawbone in the area of ​​the missing tooth. After a period of time, the artificial tooth root integrates with the surrounding bone tissue. Then, using this artificial tooth root as support, it is connected to the superstructure via special connecting devices. Through this connection with the artificial tooth root, retention and support are obtained, thereby restoring the missing tooth.

[0003] Currently, existing dental implants are prone to misalignment and displacement during crown installation due to the threaded connection between the artificial root and the jawbone. This can cause friction between the artificial crown and the tooth, often requiring repeated adjustments to the implant angle by the dentist, affecting the stability of the connection and increasing the difficulty of the procedure. Therefore, a fixation component for dental implants is proposed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a fixation component for dental implants, solving the problem of inconvenience caused by the difficulty in adjusting the fixation angle during installation. This invention utilizes an artificial tooth root, a fixing inner rod, a positioning cap, and an artificial tooth crown to form a dental implant fixation component. The structural design of the positioning cap being separate from the artificial tooth root facilitates the adjustment of the angle of the positioning cap during installation, thereby facilitating the adjustment of the angle of the artificial tooth crown. Combined with the fixing inner rod connected by a central thread, this greatly improves the convenience and stability of operation during dental implant surgery.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a fixed component for dental implants, comprising an artificial tooth root, a fixed inner rod, a positioning cap, and an artificial tooth crown. The outer surface of the artificial tooth root has a threaded groove, and the center of the artificial tooth root has a threaded inner hole. An internal hexagonal hole is formed at the upper end of the threaded inner hole. A threaded fixed inner rod is provided inside the threaded inner hole. A rotatably connected positioning cap is provided at the upper end of the fixed inner rod. An insertion hole is formed on the side wall of the positioning cap. An artificial tooth crown is provided at the top of the positioning cap for snap-fit ​​connection. A pin hole is formed on the side wall of the artificial tooth crown. A connecting pin is provided inside the pin hole for insertion connection. The connecting pin passes through the pin hole and is fixedly connected to the insertion hole.

[0008] As a further preferred embodiment of the present invention, the positioning cap has a countersunk hole at its center, the bottom of the countersunk hole has a raised stepped platform, and the interior of the countersunk hole has a threaded end cap.

[0009] As a further preferred embodiment of this utility model, the top of the fixed inner rod is provided with a boss, and the top of the fixed inner rod is provided with an internal hexagonal hole.

[0010] As a further preferred embodiment of this utility model, the lower surface of the positioning cap is provided with uniformly distributed upper tooth grooves, and the upper surface of the artificial tooth root is provided with uniformly distributed lower tooth grooves.

[0011] As a further preferred embodiment of the present invention, the inner wall of the artificial crown is provided with a fastening groove, the center of the fastening groove is provided with a cross post, and the top of the positioning cap is provided with a cross groove.

[0012] (III) Beneficial Effects

[0013] This invention provides a fixation component for dental implants. It has the following beneficial effects:

[0014] This invention utilizes an artificial tooth root, a fixed inner rod, a positioning cap, and an artificial tooth crown to form a dental implant fixation assembly. The structural design of the positioning cap being separate from the artificial tooth root facilitates the adjustment of the angle of the positioning cap during installation, thereby facilitating the adjustment of the angle of the artificial tooth crown. Combined with the fixed inner rod connected by a central thread, this greatly improves the convenience and stability of the operation during dental implant surgery. Attached Figure Description

[0015] Figure 1 This is a cross-sectional structural diagram of the fixation component for dental implants according to this utility model;

[0016] Figure 2 This is a schematic diagram of the artificial tooth root, the fixing inner rod, and the positioning cap of this utility model;

[0017] Figure 3This is a schematic diagram of the positioning cap of this utility model.

[0018] In the diagram: Artificial tooth root-1, fixed inner rod-2, positioning cap-3, artificial tooth crown-4, threaded groove-5, threaded inner hole-6, internal hexagonal hole one-7, insertion hole-8, pin hole-9, connecting pin-10, countersunk hole-11, stepped platform-12, end cap-13, boss-14, internal hexagonal hole two-15, upper tooth groove-16, lower tooth groove-17, engagement groove-18, cross post-19, cross groove-20. 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 1-3 This utility model provides a technical solution: a fixed component for dental implants, including an artificial tooth root 1, a fixed inner rod 2, a positioning cap 3, and an artificial tooth crown 4. The outer surface of the artificial tooth root 1 is provided with a threaded groove 5, and the center of the artificial tooth root 1 is provided with a threaded inner hole 6. The upper end of the threaded inner hole 6 is provided with an internal hexagonal hole 7. The fixed inner rod 2 is provided inside the threaded inner hole 6 and is threadedly connected. The upper end of the fixed inner rod 2 is provided with a rotatably connected positioning cap 3. The side wall of the positioning cap 3 is provided with an insertion hole 8, and the top of the positioning cap 3 is provided with a snap-fit ​​artificial tooth crown 4. The side wall of the artificial tooth crown 4 is provided with a pin hole 9, and the inside of the pin hole 9 is provided with a connecting pin 10 for insertion. The connecting pin 10 passes through the pin hole 9 and is fixedly connected to the insertion hole 8.

[0021] In a further improvement, the positioning cap 3 has a countersunk hole 11 at its center, and a raised stepped platform 12 at the bottom of the countersunk hole 11. The interior of the countersunk hole 11 is provided with a threaded end cap 13. By having a countersunk hole 11 with a stepped platform 12 at the center of the positioning cap 3, and with the threaded end cap 13, it is convenient to embed the fixing inner rod 2 into the positioning cap 3, and at the same time, it is convenient for the fixing inner rod 2 to rotate.

[0022] In a further improvement, the top of the fixed inner rod 2 is provided with a boss 14 and an internal hexagonal hole 15. By providing a boss 14 on the top of the fixed inner rod 2, it is convenient to connect with the stepped platform 12 inside the positioning cap 3, so that the positioning cap 3 can be squeezed after the fixed inner rod 2 is tightened.

[0023] Further improvements include the lower surface of the positioning cap 3 having evenly distributed upper tooth grooves 16, and the upper surface of the artificial tooth root 1 having evenly distributed lower tooth grooves 17. By providing upper tooth grooves 16 and lower tooth grooves 17 at the connection between the positioning cap 3 and the artificial tooth root 1, it is convenient to adjust the connection angle between the positioning cap 3 and the artificial tooth root 1, and to conveniently adjust the fixing direction of the artificial tooth crown 4.

[0024] Specifically, the inner wall of the artificial crown 4 is provided with a fastening groove 18, and the center of the fastening groove 18 is provided with a cross post 19. The top of the positioning cap 3 is provided with a cross groove 20. By providing a fastening groove 18 with a cross post 19 on the inner wall of the artificial crown 4, and cooperating with the cross groove 20 on the top of the positioning cap 3, it is convenient to attach the artificial crown 4 to the top of the positioning cap 3.

[0025] In use, this invention involves inserting a tool into the internal hexagonal hole 7 to fix the artificial tooth root 1. Then, the fixing inner rod 2 is inserted into the countersunk hole 11 in the center of the positioning cap 3. The end cap 13 is screwed in to complete the assembly of the fixing inner rod 2. Next, the tool is inserted through the end cap 13 and into the internal hexagonal hole 15 at the top of the fixing inner rod 2. The fixing inner rod 2 is then threadedly connected to the artificial tooth root 1, thereby installing the positioning cap 3 onto the top of the artificial tooth root 1. The angle of the positioning cap 3 is manually adjusted to avoid conflict between the artificial tooth crown 4 and other teeth after installation. The fixing rod is then tightened to fix the positioning cap 3. Finally, the artificial tooth crown 4 is fitted onto the top of the positioning cap 3, and the connecting pin 10 is used to connect the artificial tooth crown 4 and the positioning cap 3. Finally, the surface of the artificial tooth crown 4 is filled with a repair medium such as resin.

[0026] This invention addresses the problem of dental implant fixation components composed of an artificial tooth root, a fixed inner rod, a positioning cap, and an artificial crown. The separation of the positioning cap from the artificial tooth root facilitates adjustment of its angle during installation, thus allowing for adjustment of the artificial crown's angle. Combined with the centrally threaded fixed inner rod, this significantly improves the convenience and stability of dental implant surgery. Specifically, this invention utilizes an artificial tooth root 1, a fixed inner rod 2, a positioning cap 3, and an artificial crown 4 to form the dental implant fixation component. The separation of the positioning cap 3 from the artificial tooth root 1 facilitates adjustment of its angle during installation, thus allowing for adjustment of the artificial crown's angle. Combined with the centrally threaded fixed inner rod 2, this significantly improves the convenience and stability of dental implant surgery.

[0027] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0028] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A dental implant fixation assembly, comprising an artificial tooth root (1), a fixation inner bar (2), a positioning cap (3), and an artificial tooth crown (4), characterized in that: The artificial tooth root (1) has a threaded groove (5) on its outer surface. The artificial tooth root (1) has a threaded inner hole (6) at its center. The upper end of the threaded inner hole (6) has an internal hexagonal hole (7). The threaded inner hole (6) has a threaded fixed inner rod (2) inside. The upper end of the fixed inner rod (2) has a rotatably connected positioning cap (3). The side wall of the positioning cap (3) has an insertion hole (8). The top of the positioning cap (3) has a snap-fit ​​artificial tooth crown (4). The side wall of the artificial tooth crown (4) has a pin hole (9). The inside of the pin hole (9) has a connecting pin (10) for insertion. The connecting pin (10) passes through the pin hole (9) and is fixedly connected to the insertion hole (8).

2. The dental implant fixation assembly according to claim 1, characterized in that: The positioning cap (3) has a countersunk hole (11) in the center, and a raised stepped platform (12) is provided at the bottom of the countersunk hole (11). The interior of the countersunk hole (11) is provided with a threaded end cap (13).

3. The dental implant fixation assembly according to claim 1, characterized in that: The top of the fixed inner rod (2) is provided with a boss (14), and the top of the fixed inner rod (2) is provided with an internal hexagonal hole (15).

4. A dental implant fixation assembly according to claim 1, characterized in that: The lower surface of the positioning cap (3) is provided with uniformly distributed upper tooth grooves (16), and the upper surface of the artificial tooth root (1) is provided with uniformly distributed lower tooth grooves (17).

5. A dental implant fixation assembly according to claim 1, characterized in that: The inner wall of the artificial crown (4) is provided with a fastening groove (18), the center of the fastening groove (18) is provided with a cross post (19), and the top of the positioning cap (3) is provided with a cross groove (20).