Adjacent gingival wall forming auxiliary device

The auxiliary device with adjustable silicone and carbon steel shaping sheets addresses the challenge of personalized tooth cavity shaping, enhancing fit and reducing overhangs for improved oral filling outcomes.

CN222237856UActive Publication Date: 2024-12-27SHANGHAI STOMATOLOGICAL HOSPITAL FUDAN UNIV
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Patent Information

Application Number
CN202420849280.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-27
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

Existing oral filling technologies face challenges in shaping diverse and personalized tooth cavities, particularly on the gingival side, due to uniform shaping sheets that fail to adapt to individual tooth positions, leading to imperfect morphology and overhangs.

Method used

An auxiliary device with a non-slip handle, connecting rods, and expandable silicone shaping sheets with adjustable angles and carbon steel auxiliary sheets that fit the tooth surface, allowing for personalized shaping and adaptation to different tooth positions.

Benefits of technology

The device enhances the fit between shaping sheets and tooth surfaces, improving personalized shaping effects and reducing overhangs, while being compact and easy to operate in limited oral cavity spaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an auxiliary device for forming an adjacent gingival wall. The auxiliary device comprises an anti-skid handle (1); the connecting piece (2) comprises a first connecting rod (21) and a second connecting rod (22); the first connecting rod (21) is inserted into one end of the antiskid handle (1) along the axial direction of the antiskid handle (1); the second connecting rod (22) is connected with the first connecting rod (21); the auxiliary forming head (3) comprises an abduction gap shaping rod (31) which is detachably connected with the second connecting rod (22) and can be attached to the angle of the abduction gap; the abduction gap shaping rod (31) comprises two silica gel shaping sheets (311), and forming auxiliary sheets (32) capable of assisting the adjacent surface forming sheets (4) to be attached to the tooth surface are inserted into the silica gel shaping sheets (311). Compared with the prior art, the device can assist the adjacent surface forming piece to be attached to the tooth surface, and the personalized molding effect of the adjacent surface forming piece is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of oral medical instruments, in particular to an auxiliary device for proximal gingival wall molding. Background Art

[0002] Due to the development of oral filling materials and the improvement of bonding technology, it is no longer necessary to prepare a relatively uniform cavity shape during resin filling treatment, so how to restore the shape during the filling process has posed new challenges. For example, common interproximal caries may not be located in the middle, but closer to the buccal or palatal side, so the cavity shape formed after caries removal may not be conducive to filling, and in order to better restore the shape after surgery, some healthy tooth tissue is often sacrificed, which is a result we do not want to see.

[0003] In addition, based on the current status of primary hospitals, traditional proximal surface shaping sheets are still widely used. The uniformly sized shaping sheets on the market cannot meet the diverse and personalized tooth preparation shaping requirements, resulting in imperfect proximal surface morphology after filling, especially in the shaping of large-area defects, where overhangs are easily formed on the gingival side. CN 218792533 U discloses a handheld instrument for assisting tooth proximal surface shaping, which pushes the shaping sheets to fit together through the working heads at both ends, but it still cannot perform personalized shaping for different tooth positions and patients.

[0004] Therefore, there is still a need for auxiliary equipment to assist the proximal surface shaping sheets, so that the proximal surface shaping sheets of uniform specifications can be personalized, especially the shaping of the gingival side. Utility Model Content

[0005] The utility model aims to provide an auxiliary device for proximal gingival wall molding in order to improve the personalized molding effect of the proximal molding piece.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An auxiliary device for proximal gingival wall shaping, comprising:

[0008] Non-slip handle;

[0009] The connecting member comprises a first connecting rod inserted into one end of the anti-slip handle along the axial direction of the anti-slip handle and a second connecting rod connected to the first connecting rod;

[0010] The auxiliary molding head comprises an expansion gap molding rod which is detachably connected to the second connecting rod and can fit the expansion gap angle; the expansion gap molding rod comprises two silicone molding sheets, each of which is provided with molding auxiliary sheets which can assist the adjacent molding sheets to fit the tooth surface.

[0011] Furthermore, the first connecting rod and the second connecting rod are integrally formed.

[0012] Furthermore, the second connecting rod includes a solid section connected to the first connecting rod and a hollow section connected to the solid section.

[0013] Furthermore, an angle of 100-120° is formed between the solid sections of the first connecting rod and the second connecting rod.

[0014] Furthermore, an angle of 100-120° is formed between the solid section and the hollow section of the second connecting rod.

[0015] Furthermore, the silicone shaping sheet is a conical structure that is narrow at the top and wide at the bottom, and the tops of the two silicone shaping sheets can be inserted into the hollow section of the second connecting rod.

[0016] Furthermore, the two silicone shaping sheets of the outward gap shaping rod are integrally formed.

[0017] Furthermore, an angle of 40-80° is formed between the two silicone shaping sheets. According to different tooth positions (such as premolars / molars) and the difference between the buccal and lingual sides, different angles of the expansion gap shaping rods can be designed for impaction shaping.

[0018] Furthermore, when used for premolars, the angle between the two silicone shaping sheets is 40-50°.

[0019] Furthermore, when used for teeth grinding, the angle between the two silicone shaping sheets is 70-80°.

[0020] Furthermore, the expansion gap shaping rod is made of silicone material, which has certain bending properties and has the functions of personalized fine-tuning and adaptation at a given expansion gap angle, so as to maximize the fit between the adjacent surface molding sheet and the tooth surface.

[0021] Furthermore, the auxiliary molding sheets are all inserted into an end of the silicone molding sheet away from the second connecting rod.

[0022] Furthermore, the thickness of each silicone shaping sheet is about 5 mm, and a slot for inserting a molding auxiliary sheet is opened along the thickness direction at one end of the silicone shaping sheet away from the second connecting rod. The molding auxiliary sheet is fixedly inserted in the slot, so that the outward gap shaping rod and the molding auxiliary sheet become a whole during loading and unloading and use.

[0023] Furthermore, the molding auxiliary sheets all have an arc curve that fits the tooth surface.

[0024] Furthermore, the forming auxiliary sheets are all carbon steel sheets, which have a certain rigidity and deform when subjected to external force, and can return to their original shape after the external force is removed.

[0025] Compared with the prior art, the utility model has the following beneficial effects:

[0026] (1) The interproximal gingival wall shaping auxiliary device of the utility model is provided with an extension gap shaping rod that fits the extension gap angle and a shaping auxiliary sheet that can assist the interproximal shaping sheet to fit the tooth surface, which can be replaced according to different tooth positions to improve the personalized shaping effect of the interproximal shaping sheet.

[0027] (2) The expansion gap shaping rod of the utility model is detachably connected to the connecting piece, and different shaping rods can be selected for impaction shaping according to expansion gaps of different angles, so as to improve the specificity of adjacent gingival wall shaping.

[0028] (3) The extension gap shaping rod of the utility model has the function of personalized fine-tuning and adaptation at a given extension gap angle, so as to maximize the fit between the proximal surface molding sheet and the tooth surface.

[0029] (4) The forming auxiliary sheets of the present invention are all carbon steel sheets with a certain rigidity. They deform when subjected to external force and return to their original shape after the external force is removed. The elastic steel deforms to generate a rebound force so that the forming sheet and the affected tooth are completely fitted at the gingival end.

[0030] (5) The interproximal gingival wall shaping auxiliary device of the utility model is small and compact, and is convenient for medical staff to operate by hand. At the same time, the angles of the anti-slip handle and the connecting piece are also designed to be specific angles, allowing medical staff to operate in the oral cavity with limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the adjacent gingival wall shaping auxiliary device of the utility model.

[0032] Figure 2 This is a schematic structural diagram of the connecting piece and the outward gap shaping rod of Example 2 of the utility model.

[0033] Figure 3 Schematic diagram of different angles of the external gap shaping rod in Example 3 of the utility model.

[0034] Description of the markings in the figure:

[0035] 1-anti-slip handle, 2-connecting piece, 21-first connecting rod, 22-second connecting rod, 221-solid section, 222-hollow section, 3-auxiliary molding head, 31-extension gap molding rod, 311-silicone molding sheet, 32-molding auxiliary sheet, 4-adjacent surface molding sheet. DETAILED DESCRIPTION

[0036] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0037] In the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] Embodiment 1:

[0040] An auxiliary device for proximal gingival wall shaping comprises an anti-slip handle 1, a connecting piece 2 and an auxiliary shaping head 3.

[0041] like Figure 1 As shown, the connecting member 2 includes a first connecting rod 21 inserted into one end of the anti-slip handle 1 along the axial direction of the anti-slip handle 1 and a second connecting rod 22 connected to the first connecting rod 21 .

[0042] The auxiliary shaping head 3 includes an expansion gap shaping rod 31 which is detachably connected to the second connecting rod 22 and can fit the expansion gap angle. The expansion gap shaping rod 31 includes two silicone shaping sheets 311, each of which is plugged with a shaping auxiliary sheet 32 ​​that can assist the adjacent surface shaping sheet 4 to fit the tooth surface.

[0043] Embodiment 2:

[0044] An auxiliary device for proximal gingival wall shaping comprises an anti-slip handle 1, a connecting piece 2 and an auxiliary shaping head 3.

[0045] like Figure 2As shown, the connecting member 2 includes a first connecting rod 21 axially inserted at one end of the anti-slip handle 1 and a second connecting rod 22 connected to the first connecting rod 21. The first connecting rod 21 and the second connecting rod 22 are integrally formed. In this embodiment, the second connecting rod 22 includes a solid section 221 connected to the first connecting rod 21 and a hollow section 222 connected to the solid section 221. An angle of about 110° is formed between the first connecting rod 21 and the solid section 221 of the second connecting rod 22; an angle of 110° is also formed between the solid section 221 and the hollow section 222 of the second connecting rod 22, so that medical staff can hold the device of this embodiment and operate it in an oral cavity with limited space.

[0046] The auxiliary molding head 3 includes an expansion gap shaping rod 31 that is detachably connected to the second connecting rod 22 and can fit the expansion gap angle. The expansion gap shaping rod 31 includes two silicone molding sheets 311. The silicone molding sheets 311 of this embodiment are tapered structures that are narrow at the top and wide at the bottom. The tops of the two silicone molding sheets 311 can be inserted into the hollow section 222 of the second connecting rod 22 and temporarily fastened through a large friction force. The two silicone molding sheets 311 of the expansion gap shaping rod 31 are integrally molded.

[0047] The silicone shaping sheet 311 is plugged with a shaping auxiliary sheet 32 ​​that can assist the adjacent shaping sheet 4 to fit the tooth surface. The shaping auxiliary sheets 32 are all plugged into the end of the silicone shaping sheet 311 away from the second connecting rod 22. Specifically, the thickness of each silicone shaping sheet 311 is about 5 mm, and a slot for the shaping auxiliary sheet 32 ​​to be plugged in is provided along the thickness direction at the end of the silicone shaping sheet 311 away from the second connecting rod 22. The shaping auxiliary sheet 32 ​​is fixedly plugged into the slot, so that the extension gap shaping rod 31 and the shaping auxiliary sheet 32 ​​become a whole, which is convenient for directly replacing different auxiliary shaping heads 3 according to different tooth positions when in use.

[0048] The forming auxiliary sheets 32 of this embodiment all have an arc curve that fits the tooth surface and can wrap around the axis angle, which can assist the adjacent surface forming sheet 4 to fit the gingival side of the patient's tooth to the greatest extent. The forming auxiliary sheets 32 of this embodiment are all carbon steel sheets with a thickness of about 2mm. They have a certain rigidity and deform when subjected to external force, and can return to their original shape after the external force is removed.

[0049] Embodiment 3:

[0050] This embodiment provides an auxiliary device for proximal gingival wall shaping and a specific method of using the same. The difference from Embodiment 2 is that the anti-slip handle 1 of this embodiment is wrapped with anti-slip rubber material and is about 10 cm long. The total length of the first connecting rod 21 is about 2 cm, and the exposed length after the anti-slip handle 1 is inserted is about 1 cm; the length of the solid section 221 and the hollow section 222 of the second connecting rod 22 are both 0.5 cm.

[0051] like Figure 3 As shown, the two silicone shaping sheets 311 of this embodiment form a certain range of angles between them, and need to be replaced according to different tooth positions. When used for premolars, the angle between the two silicone shaping sheets 311 is 40-50°, which is suitable for the position corresponding to angle c (premolar-premolar extension gap); when used for molars, the angle between the two silicone shaping sheets 311 is 70-80°, which is suitable for the positions corresponding to angle a (molar-molar extension gap) and angle b (molar-premolar extension gap).

[0052] The method of using the proximal gingival wall shaping auxiliary device of this embodiment is specifically as follows:

[0053] (1) First, place the proximal surface forming sheet 4 on the proximal surface (the Douban system forming sheet can be pre-bent and then placed) and fix it;

[0054] (2) According to the angle of the external gap of different tooth positions, a suitable auxiliary forming head 3 is selected, and the elastic steel material of the forming auxiliary sheet 32 ​​is deformed to generate a rebound force so that the adjacent surface forming sheet 4 and the affected tooth are completely fitted at the gingival side of the broken end; for subgingival defects, the rigidity of the entire auxiliary forming head 3 can play a role in pushing the gums to a certain extent;

[0055] (3) Use injectable resins such as reinforced flowable resins or bulk resins to restore, shape, and illuminate the gingival stump;

[0056] (4) The auxiliary molding device of this embodiment is removed, and the proximal molding sheet 4 is conventionally used to mold the occlusal square of the affected tooth and restore the contact points.

[0057] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. An auxiliary device for proximal gingival wall shaping, characterized in that: include: Non-slip handle (1); A connecting member (2), comprising a first connecting rod (21) inserted into one end of the anti-slip handle (1) along the axial direction of the anti-slip handle (1) and a second connecting rod (22) connected to the first connecting rod (21); The auxiliary shaping head (3) comprises an external gap shaping rod (31) which is detachably connected to a second connecting rod (22) and can fit the external gap angle; the external gap shaping rod (31) comprises two silicone shaping sheets (311), each of which is plugged with a shaping auxiliary sheet (32) which can assist the adjacent surface shaping sheet (4) to fit the tooth surface.

2. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: The first connecting rod (21) and the second connecting rod (22) are integrally formed.

3. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: The second connecting rod (22) comprises a solid section (221) connected to the first connecting rod (21) and a hollow section (222) connected to the solid section (221).

4. The proximal gingival wall shaping auxiliary device according to claim 3, characterized in that: An angle of 100-120° is formed between the first connecting rod (21) and the solid section (221) of the second connecting rod (22); An angle of 100-120° is formed between the solid section (221) and the hollow section (222) of the second connecting rod (22).

5. The proximal gingival wall shaping auxiliary device according to claim 3, characterized in that: The silicone shaping sheet (311) is a conical structure that is narrow at the top and wide at the bottom. The tops of the two silicone shaping sheets (311) can be inserted into the hollow section (222) of the second connecting rod (22).

6. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: An angle of 40-80° is formed between the two silicone shaping sheets (311).

7. The proximal gingival wall shaping auxiliary device according to claim 6, characterized in that: When used for premolars, the angle between the two silicone shaping sheets (311) is 40-50°; When used for teeth grinding, the angle between the two silicone shaping sheets (311) is 70-80°.

8. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: The auxiliary molding sheets (32) are all inserted into one end of the silicone molding sheet (311) away from the second connecting rod (22).

9. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: The molding auxiliary sheets (32) all have an arc curve that fits the tooth surface.

10. The proximal gingival wall shaping auxiliary device according to claim 1, characterized in that: The forming auxiliary sheets (32) are all carbon steel sheets.

Citation Information

Patent Citations

  • Handheld instruments for assisting in the shaping of proximal surfaces of teeth

    CN218792533U