A plug for filling the screw hole of a dental implant restoration abutment

CN224892780UActive Publication Date: 2026-10-27ZHONGSHAN HOSPITAL FUDAN UNIV
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Patent Information

Application Number
CN202522515270.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-27
Publication Date
2026-10-27
Estimated Expiration
2035-11-27

AI Technical Summary

Technical Problem

由于这部分充填材料还可能会间接承受咬合力量,如果没有充填严实致密,会导致种植修复后续使用过程中,中央螺丝通道充填材料下沉,在种植修复体表面形成凹坑,导致食物嵌塞潴留

Benefits of technology

[0017]1)采用了套环固定平台,和弹性套环,解决现有的填充器容易将填充材料带出的问题;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of obturator of plugging dental implant restoration base platform screw hole, including connecting body, still including collar fixed platform, thin filling head, elastic collar;The collar fixed platform is fixed in one end of connecting body, from collar fixed platform to far end in leading out a the thin filling head, the elastic collar is sleeved in thin filling head outside, its proximal end is fixedly connected with collar fixed platform;The diameter of the elastic collar is adapted to the diameter of the annular end face of restoration base platform, so that restoration base platform can force elastic collar to occur elastic deformation.The utility model has adopted collar fixed platform, and elastic collar, solve the problem that existing filler is easy to take out filling material;With the special design of plugging dental implant restoration base platform screw hole adaptation, the compaction operation efficiency of thick filling head is high, convenient to operate, solve the problem of insufficient length of the filling head of existing caries filler.
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Description

Technical Field

[0001] This utility model relates to a filler for sealing screw holes in dental implant restoration abutments, belonging to the field of dental filler technology. Background Technology

[0002] Dental implant abutments have a central screw channel. This channel allows the central screw to be tightened and tightened to secure the abutment to the implant. To remove the abutment, the central screw is unscrewed and removed from the channel, separating the abutment from the implant. For easy removal and maintenance of the implant, after tightening the central screw, the channel needs to be filled with filling material to occupy the space and prevent food debris or adhesive from entering, causing contamination, or hindering future screw removal. Since this filling material may indirectly bear occlusal forces, insufficient filling can lead to sinking of the filling material in the central screw channel during subsequent use, forming pits on the implant surface and causing food impaction.

[0003] Currently, there are no dedicated filling instruments for filling screw channels in dental implant abutments. Fillers designed for filling cavities are typically used, and their tip diameter is often unsuitable. Furthermore, because screw channels are often deeper than the caries cavity (screw channels are generally 4–10 mm long, while cavities are generally 1–5 mm deep), the filling tip length of caries filling instruments is often insufficient. When using caries filling instruments to fill abutment channels, there is a high risk of filling material being carried out, requiring repeated filling by the clinician and affecting the ease of operation. Summary of the Invention

[0004] The purpose of this invention is to provide a filling device for sealing screw holes in dental implant abutments, addressing the issue of insufficient filling head length in existing cavity fillers. This invention adopts the following technical solution:

[0005] An filling device for sealing screw holes in dental implant abutments includes a connector 3, a collar fixing platform 4, a fine filling head 1, and an elastic collar 5. The collar fixing platform 4 is fixed to one end of the connector 3, and the fine filling head 1 extends distally from the collar fixing platform 4. The elastic collar 5 is fitted over the fine filling head 1, and its proximal end is fixedly connected to the collar fixing platform 4. The diameter of the elastic collar 5 is adapted to the diameter of the annular end face of the implant abutment 6, so that the implant abutment 6 can force the elastic collar 5 to undergo elastic deformation.

[0006] It should be noted that the repair base 6 is not part of this utility model, but belongs to environmental features.

[0007] Preferably, an extension arm 10 is also fixed between the connector 3 and the collar fixing platform 4. The extension arm 10 is made of a flexible and adjustable metal material with a toughness, and its outer diameter is larger than that of the fine filling head 1.

[0008] Preferably, the outer diameter of the extension arm 10 is tapered from the proximal end to the distal end.

[0009] Preferably, it also includes a coarse filling head 2, which is fixed to the other end of the connector 3.

[0010] Furthermore, the coarse filling head 2 is made of a flexible, bendable, and adjustable metal material with a uniform outer diameter.

[0011] Preferably, the fine filling head 1 has a diameter of 1-1.2 mm and a length of 8-12 mm; the elastic collar 5 is fitted onto the collar fixing platform 4 and is 1-2 mm shorter than the fine filling head; compressing the elastic collar 5 can expose the fine filling head by 15-6 mm.

[0012] Furthermore, the coarse filling head 2 has the same inner diameter as the dental implant abutment, with a diameter of 1.5 to 1.8 mm and a length of 8 mm, and is used to compact the filling material.

[0013] Preferably, the elastic collar 5 is made of metal or polymer material, and the elastic collar 5 is detachable and replaceable.

[0014] Furthermore, the elastic collar 5 is a spring.

[0015] Preferably, the fine filling head 1 and the coarse filling head 2 are each connected to the connector at a 135-degree angle.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1) A collar-fixed platform and an elastic collar are adopted to solve the problem that existing fillers easily carry out the filler material;

[0018] 2) The special design is adapted to the screw holes of dental implant restoration abutments. The compaction operation of the coarse filling head is highly efficient and easy to operate, solving the problem of insufficient filling head length of existing caries fillers.

[0019] 3) The product has a simple structure and is easy to manufacture. The two filling heads have their own functions in advancing and compacting the filling material, and they can work together. The design is ingenious and thoughtful. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the filling device for sealing screw holes of dental implant restoration abutments according to this utility model.

[0021] Figure 2 This is a schematic diagram of an elastic collar fitted onto a collar fixing platform.

[0022] Figure 3 This is a schematic diagram showing the compression of the elastic collar as the fine filling head pushes into the base screw channel.

[0023] In the diagram, 1. Fine filling head, 2. Coarse filling head, 3. Connector, 4. Collar fixing platform, 5. Elastic collar, 6. Repair abutment, 7. Central screw, 8. Implant, 9. Filler, 10. Extension arm. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] The terms “proximal,” “distal,” and “head” used in this embodiment are based on the relative orientation and position of the various parts and components of the medical device. Although not restrictive, “proximal” usually refers to the end of the medical device that is closer to the surgeon during normal use, while “distal” and “head” usually refer to the end of the medical device that is farther away from the surgeon.

[0026] This embodiment introduces a special filling device used in dental implant restorations to push and compact filling material into the channel of the restoration abutment. The diameter and length of the filling head match the central screw channel, and it also has the function of preventing filling material from being pulled out.

[0027] See Figure 1 , Figure 1 The overall structure of the filling device for sealing the screw holes of the dental implant restoration abutment in this embodiment is shown. It includes a connector 3, a collar fixing platform 4, a coarse filling head 2, a fine filling head 1, and an elastic collar 5. The connector 3 is located in the middle, and the fine filling head 1 and the coarse filling head 2 are located on both sides.

[0028] See Figure 1-2 The collar fixing platform 4 is fixed to one end of the connecting body 3, and a fine filling head 1 is led out from the collar fixing platform 4 to the distal end; the elastic collar 5 is sleeved on the outside of the fine filling head 1, and its proximal end is fixedly connected to the collar fixing platform 4.

[0029] See Figure 3 The diameter of the elastic collar 5 is adapted to the diameter of the annular end face of the repair base 6, so that the repair base 6 can force the elastic collar 5 to undergo elastic deformation.

[0030] In this embodiment, an extension arm 10 is also fixed between the connector 3 and the collar fixing platform 4. The extension arm 10 is made of a flexible and adjustable metal material with a toughness, and its outer diameter is larger than that of the fine filling head 1.

[0031] Yuru Figure 2As shown, the outer diameter of the extension arm 10 is tapered from the proximal end to the distal end.

[0032] In this embodiment, see Figure 1 The coarse filling head 2 is made of a flexible, bendable, and adjustable metal material with a uniform outer diameter.

[0033] Specifically, the coarse filling head 2 has the same inner diameter as the dental implant abutment, with a diameter of 1.5 to 1.8 mm and a length of 8 mm, and is used to compact the filling material.

[0034] In this embodiment, the fine filling head 1 has a diameter of 1-1.2 mm and a length of 8-12 mm; the elastic collar 5 is fitted onto the collar fixing platform 4 and is 1-2 mm shorter than the fine filling head; compressing the elastic collar 5 can expose the fine filling head by 15-6 mm.

[0035] The elastic collar 5 is made of metal or polymer material and is detachable and replaceable.

[0036] Optionally, the elastic collar 5 is a spring.

[0037] Currently, there are no dedicated filling instruments in clinical practice for filling screw channels in dental implant abutments. A filling tip designed with a diameter and length matching the screw channel facilitates clinical manipulation. The fine filling tip has an elastic collar at its end. When pressure is applied during filling, the elastic collar is compressed and shortened by the edge of the abutment, exposing a longer fine filling tip that can penetrate deeper into the screw channel to advance the filling material. When the fine filling tip is withdrawn, the elastic collar returns to its original length, preventing filling material from being carried out with the fine filling tip. This product has a simple structure and is easy to manufacture. The two filling tips each have their own functions in advancing and compacting the filling material.

[0038] In this product, both the fine and coarse filling heads are made of metal with a smooth surface. The fine filling head has a diameter of approximately 1–1.2 mm and a length of 10 mm. The tail section has a collar fixing platform on which an elastic collar can be fitted. The elastic collar is made of metal or polymer material and, after being fitted onto the collar fixing platform, is 1–2 mm shorter than the fine filling head. Figure 2 The compression of the elastic collar exposes the fine filling tip, approximately 5–6 mm. The elastic collar is released and returns to its initial length. The elastic collar is removable and can be used or replaced as needed clinically. The coarse filling tip has the same inner diameter as the dental implant abutment, approximately 1.5–1.8 mm, and is 8 mm long; it is used to compact the filling material. For ease of clinical operation, both the fine and coarse filling tips are connected to the connector at a 135-degree angle.

[0039] After the dental implant abutment is in place, tighten the central screw to secure the restoration and implant. This product uses a fine filling tip fitted with an elastic collar to push the filling material into the central screw channel of the abutment. During advancement, the elastic collar is compressed and shortened by the edge of the abutment, exposing a longer fine filling tip, facilitating the advancement of the filling material to the bottom of the abutment. Figure 3 When the fine filling head is withdrawn, the elastic collar returns to its original length to help secure the filling material and prevent it from being carried out with the fine filling head. When the filling material is close to the top of the abutment, the coarse filling head is used to apply pressure and compact the filling material, ensuring a tight seal. The elastic collar can be replaced if needed, or removed as required by clinical practice.

[0040] This invention employs a collar-fixing platform and an elastic collar to solve the problem of existing fillers easily carrying away filling material. Its specialized design, adapted to sealing screw holes in dental implant abutments, ensures high compaction efficiency and ease of operation with its coarse filling head, addressing the issue of insufficient filling head length in existing cavity fillers. The product has a simple structure and is easy to manufacture. The two filling heads each play a distinct role in advancing and compacting the filling material, working in tandem. The design is ingenious and thoughtful.

[0041] The above are preferred embodiments of the present utility model. Those skilled in the art can make various changes or improvements based on this. Without departing from the overall concept of the present utility model, these changes or improvements should all fall within the scope of protection claimed by the present utility model.

Claims

1. A filling device for sealing screw holes of dental implant abutments, comprising a connector (3), characterized in that: It also includes a collar fixing platform (4), a fine filling head (1), and an elastic collar (5); The collar fixing platform (4) is fixed at one end of the connecting body (3), and a fine filling head (1) is led out from the collar fixing platform (4) to the far end. The elastic collar (5) is sleeved on the outside of the fine filling head (1), and its proximal end is fixedly connected to the collar fixing platform (4). The diameter of the elastic collar (5) is adapted to the diameter of the annular end face of the repair base (6), so that the repair base (6) can force the elastic collar (5) to undergo elastic deformation.

2. The filling device for sealing screw holes of dental implant abutments as described in claim 1, characterized in that: An extension arm (10) is also fixed between the connector (3) and the collar fixing platform (4). The extension arm (10) is made of a flexible and adjustable metal material with an outer diameter larger than that of the fine filling head (1).

3. The filling device for sealing screw holes of dental implant abutments as described in claim 2, characterized in that: The outer diameter of the extension arm (10) is tapered from the proximal end to the distal end.

4. The filling device for sealing screw holes of dental implant abutments as described in claim 1, characterized in that: It also includes a coarse filling head (2), which is fixed to the other end of the connector (3).

5. The filling device for sealing screw holes of dental implant abutments as described in claim 4, characterized in that: The coarse filling head (2) is made of a flexible and adjustable metal material with a uniform outer diameter.

6. The filling device for sealing screw holes of dental implant abutments as described in claim 1, characterized in that: The fine filling head (1) has a diameter of 1-1.2 mm and a length of 8-12 mm; the elastic collar (5) is fitted onto the collar fixing platform (4) and is 1-2 mm shorter than the fine filling head; compressing the elastic collar (5) can expose the fine filling head (1) by 5-6 mm.

7. The filling device for sealing screw holes of dental implant abutments as described in claim 6, characterized in that: The coarse filling head (2) has the same inner diameter as the dental implant restoration abutment, with a diameter of 1.5 to 1.8 mm and a length of 8 mm, and is used to compact the filling material.

8. The filling device for sealing screw holes of dental implant abutments as described in claim 1, characterized in that: The elastic collar (5) is made of metal or polymer material and is detachable and replaceable.

9. The filling device for sealing screw holes of dental implant abutments as described in claim 8, characterized in that: The elastic collar (5) is a spring.

10. The filling device for sealing screw holes of dental implant abutments as described in claim 1, characterized in that: The fine filling head (1) and the coarse filling head (2) are each connected to the connector at a 135-degree angle.