一种与分牙环配套使用的空隙填充楔

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By designing a gap-filling wedge and using an elastic layer to adhere to the tooth surface, the problem of material overflow caused by the gap between the arch and the shaping piece is solved, achieving efficient tooth restoration without additional shaping, thus improving treatment results and patient experience.

CN224505611UActive Publication Date: 2026-07-17HARBIN MEDICAL UNIVERSITY

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: HARBIN MEDICAL UNIVERSITY
Filing Date: 2025-07-30
Publication Date: 2026-07-17

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Abstract

本实用新型属于口腔医学技术领域，具体涉及一种与分牙环配套使用的空隙填充楔，包括架子弓，架子弓两端均安装有填充楔子，填充楔子顶部设置有限位盘，两个独立填充楔子与牙冠高度适配，且每个填充楔子靠近牙齿的一面设置有内凹曲面用于贴合牙面凸起，内凹曲面上设置有弹性层，填充楔子为实心结构，限位盘顶部设置有连接环，两个连接环之间设置有弹性连接带，架子弓上设置有限位杆，架子弓两端均开设有凹槽，凹槽内部设置有固定轴，固定轴上转动套设有连接套，连接套一侧设置有安装盘。该装置通过使填充楔子与牙面的曲度相抵，通过弹性层能够增强密封，防止材料跑出，后续无需增加修形的步骤，达到省时省力的效果。

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Claims

1. A gap-filling wedge for use with a toothed ring, comprising a frame bow (1), wherein a filling wedge (2) is installed at both ends of the frame bow (1). characterized in that The filling wedge (2) is provided with a limiting plate (4) at the top. The two independent filling wedges (2) are adapted to the height of the crown. Each filling wedge (2) has a concave curved surface (3) on the side near the tooth to fit the tooth surface protrusion. An elastic layer is provided on the concave curved surface (3).

2. A void-filling wedge for use with a flossing ring according to claim 1, wherein: The filling wedge (2) is a solid structure.

3. A void-filling wedge for use with a flossing ring according to claim 1, wherein: The top of the limiting plate (4) is provided with a connecting ring (5), and an elastic connecting strip (6) is provided between the two connecting rings (5). The frame bow (1) is provided with a limiting rod (7).

4. A void-filling wedge for use with a flossing ring according to claim 1, wherein: The frame bow (1) has grooves (8) at both ends. A fixed shaft is provided inside the groove (8). A connecting sleeve (9) is rotatably sleeved on the fixed shaft. An installation plate (10) is provided on one side of the connecting sleeve (9). The installation plate (10) has a first groove (11) that matches the limiting plate (4) and a second groove (12) that matches the filling wedge (2).

5. A void-filling wedge for use with a flossing ring according to claim 4, wherein: The inner wall of the first groove (11) is provided with a first magnetic surface, and the bottom of the limiting disk (4) is provided with a second magnetic surface, which is attracted to the first magnetic surface.

6. A gap-filling wedge for use with a tooth-separating ring according to claim 1, characterized in that: The frame bow (1) is divided into a first arc frame (13) and a second arc frame (14). The first arc frame (13) has a connecting hole and a first threaded hole on one side, and the second arc frame (14) has a connecting rod (15) on one side. The connecting rod (15) has a second threaded hole, and bolts (16) are provided on the first threaded hole and the second threaded hole.

7. A void-filling wedge for use with a flossing ring according to claim 6, wherein: The connecting rod (15) is matched with the connecting hole.