A device for forming a temporary crown cuff

Abstract

The utility model belongs to gum cuff forming technical field, concretely relates to a kind of implant temporary dental crown cuff forming device, including table body, crown body and central screw, the table body is connected with crown body, the central screw is threaded and is screwed with the thread hole on implant body and is matched with the through-hole set on table body.By the inner retraction of table body and the upper extension of crown body, an enlarged cuff structure from the crown body can be constructed around the gum. This structure lays the foundation for the installation of permanent teeth in the later stage, and can form a cuff wrapping for permanent teeth, thereby improving the forming quality of the gum cuff in the bone healing stage.

Description

Technical Field

[0001] This utility model belongs to the field of gingival cuff forming technology, specifically relating to a temporary implant crown cuff forming device. Background Technology

[0002] During implant bone healing, to maintain the morphology of the gingival soft tissue and ensure proper fit with the future permanent crown, the transgingival portion of the healing abutment is typically used to restrain the gingival opening, preventing shrinkage and guiding the formation of a well-shaped gingival cuff. However, existing healing abutments often result in poor aesthetics after installation, and the resulting cuff shape is insufficient to effectively enclose the permanent crown later. Current methods combine the abutment with a temporary crown to improve aesthetics during temporary restorations and attempt to ensure a close fit between the gingival cuff and the final permanent crown. However, due to a significant difference in radius between the transgingival portion and the temporary crown, the resulting cuff enclosure is too small, often requiring dentists to manually fabricate the temporary crown and adjust the cuff shape on-site. This manual process not only adds shaping and polishing steps, making it cumbersome and inefficient, but also prolongs the surgical time, ultimately affecting the standardization of temporary restorations and the predictability of the restorative outcome. Utility Model Content

[0003] The purpose of this invention is to provide a temporary dental crown cuff forming device for implantation, which can solve the above-mentioned technical problems.

[0004] The specific technical solution adopted by this utility model is as follows: This utility model provides a temporary implant crown cuff forming device, including a platform, a crown and a central screw. The platform is connected to the crown, and the central screw passes through a perforation provided on the platform and is threadedly engaged with a threaded hole on the implant. The platform is provided with an inwardly recessed outer support portion, the crown body is matched with the inwardly recessed outer support portion in a circle, and the lower side of the crown body is provided with an upper extended outer support portion that fits and corresponds to the inwardly recessed outer support portion. The height of the recessed outer support portion is set to 2mm. The crown body includes multiple sets of crowns, each set having multiple crowns of varying heights. The upper extended outer support portion refers to the lower part of the outer periphery of any one of the crowns.

[0005] Preferably, the platform is provided with a plug-in part located on the surface of the recessed outer support part, and the crown is provided with a plug-in hole that is plugged in and engaged with the plug-in part. The outer periphery of the insertion part is provided with symmetrical inner grooves, and the inner grooves are in clearance fit with the outer protrusions provided on the inner wall of the insertion hole. The gap between the insertion part and the insertion hole is filled with oral adhesive material.

[0006] Preferably, the upper end of the central screw is provided with an outer locking part, which engages and matches with a locking part provided inside the platform body, and the locking part is interconnected with the inner cavity of the through hole and the insertion part. The lower side of the central screw is provided with a first threaded section, which engages with the threaded hole on the implant.

[0007] Preferably, the platform has an internal threaded hole that is concentric with the engaging part, and the upper side of the central screw has a second threaded segment that connects with the first threaded segment. Both the first threaded segment and the second threaded segment are threadedly engaged with the internal threaded hole.

[0008] Preferably, the height of the upper extension support is proportional to the height of the multiple crowns on the crown body.

[0009] The beneficial effects are: This invention utilizes the inward-curving outer support portion of the platform to cooperate with the upper extended outer support portion of the crown, thereby constructing an enlarged cuff-like structure around the gingiva originating from the crown. This structure lays the foundation for the subsequent installation of permanent teeth, forming a cuff-like wrap around the permanent teeth, thus improving the forming quality of the gingival cuff during the bone healing stage.

[0010] Furthermore, through the coordination of the platform and the crown, clinicians can flexibly select crowns of different heights to match the actual situation (such as gingival thickness). This design is not only suitable for patients with different gingival conditions, but also significantly improves the efficiency of clinicians in trying on and installing temporary crowns, making the operation more convenient.

[0011] Secondly, by utilizing the internal threaded hole on the platform and the second threaded end on the central screw, the central screw can be prevented from falling off during the installation of the maxillary crown, thereby improving the installation effect. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the exploded distribution structure of the various parts of this utility model; Figure 3 This is a schematic diagram of the structure of each of the two explosively distributed components from a bottom-view angle. Figure 4 This is a cross-sectional structural diagram of the first embodiment of the base of this utility model; Figure 5 This is a cross-sectional structural diagram of the second embodiment of the base of this utility model; Figure 6 This is a schematic diagram of the second embodiment of the central screw of this utility model.

[0013] The attached diagram lists the components represented by each number as follows: 1. Platform body; 11. Recessed outer support part; 12. Insertion part; 12a. Inner groove; 13. Through hole; 13a. Internal threaded hole; 14. Engaging part; 2. Crown body; 2a. Upper extended outer support part; 21. Insertion hole; 21a. Outer protrusion; 3. Central screw; 31. Outer locking part; 32. First threaded section; 32a. Second threaded section. Detailed Implementation

[0014] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0015] like Figure 1-6 As shown, a temporary crown cuff forming device for implantation includes a platform 1, a crown 2 and a central screw 3. The platform 1 is connected to the crown 2. The central screw 3 passes through a perforation 13 provided on the platform 1 and is threaded into a threaded hole on the implant. The platform 1 is made of titanium alloy or other materials. The platform 1 is provided with an inwardly recessed outer support 11, the crown 2 is matched with the inwardly recessed outer support 11 in a circle, and the lower side of the crown 2 is provided with an upper extended outer support 2a that fits and corresponds to the inwardly recessed outer support 11. The height of the recessed outer support 11 is set to 2mm. The crown 2 includes multiple sets of crowns, each set having multiple crowns of different heights. The upper extended outer support 2a refers to the lower part of the outer periphery of any crown. The crown 2 consists of multiple crowns of different heights and widths produced by 3D printing, and its material is photosensitive resin or other materials.

[0016] As an optional implementation, the platform 1 is provided with a plug-in part 12 located on the surface of the recessed outer support part 11, and the crown 2 is provided with a plug-in hole 21 that is plugged into and cooperates with the plug-in part 12. The plug-in part 12 is hollow and conical, and the plug-in hole 21 is also conical. The opening size at its upper end is larger than the radial size of the outer clamping part 31, so that the threaded part on the central screw 3 can pass through. The outer periphery of the insertion part 12 is provided with symmetrical inner grooves 12a, and the inner grooves 12a and the outer protrusions 21a provided on the inner wall of the insertion hole 21 are in clearance fit. The gap between the insertion part 12 and the insertion hole 21 is filled with oral adhesive material to improve the fixation effect after the crown 2 and the platform 1 are inserted. The dental bonding material is glass ionomer cement or resin cement.

[0017] First embodiment, see appendix Figure 3 and attached Figure 4The upper end of the central screw 3 is provided with an outer locking part 31, which is engaged and matched with the locking part 14 provided inside the platform 1, and the locking part 14 is interconnected with the inner cavity of the through hole 13 and the insertion part 12. The lower side of the central screw 3 is provided with a first threaded section 32, which is threadedly engaged with the threaded hole on the implant. The central screw 3 is used to fix the platform 1 to the implant through the engagement of the outer clamping part 31 and the clamping part 14.

[0018] The second embodiment, as shown in the appendix... Figure 5 and attached Figure 6 The platform 1 has an internal threaded hole 13a that is concentric with the engaging part 14. The upper side of the central screw 3 has a second threaded section 32a that connects with the first threaded section 32. Both the first threaded section 32 and the second threaded section 32a are threadedly engaged with the internal threaded hole 13a, so that the central screw 3 maintains a threaded connection when passing through the platform 1, thereby preventing the central screw 3 from falling off when installing the upper crown and improving the installation effect. The width and height of the helical groove teeth of the first thread section 32 and the second thread section 32a are consistent.

[0019] Furthermore, the height of the upper extension support 2a is directly proportional to the height of the multiple crowns on the crown 2, thereby ensuring that the upper extension support 2a of the crown 2 can shape the gingival cuff for different patients or teeth and gingival areas in different locations.

[0020] Using the above structure, firstly, a suitable crown 2 is selected from multiple sets of crowns of different heights based on the patient's gingival thickness and morphology. The selected crown 2 is then aligned with the platform 1 via the insertion part 12 and the insertion hole 21, ensuring a tight fit between the upper extended support part 2a and the recessed external support part 11. If applicable, oral adhesive material is filled into the insertion hole 21 before insertion to enhance retention. Subsequently, the entire device is fixed to the implant using the central screw 3. At this point, the cooperation between the platform 1 and the crown 2 creates an expanded cuff-like structure around the gingiva. This structure not only lays the foundation for the subsequent installation of the permanent tooth, forming a cuff-like wrap around the permanent tooth, but also effectively improves the forming quality of the gingival cuff during the bone healing stage. Simultaneously, clinicians can flexibly select crowns of different heights for matching according to the actual situation, adapting to patients with different gingival conditions and significantly improving the efficiency of temporary crown trial and installation, achieving convenient installation.

[0021] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. This application is mainly used to protect mechanical devices. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, are implemented according to conventional methods in the field and relevant national standards.

Claims

1. A temporary implant crown cuff forming device, characterized in that: It includes a platform (1), a crown (2) and a central screw (3). The platform (1) is connected to the crown (2). The central screw (3) passes through a perforation (13) provided on the platform (1) and is threaded into a threaded hole on the implant. The platform (1) is provided with an inwardly recessed outer support (11), the crown (2) is matched with the inwardly recessed outer support (11) in a circle, and the lower side of the crown (2) is provided with an upper extended outer support (2a) that fits and corresponds to the inwardly recessed outer support (11). The height of the recessed outer support (11) is set to 2mm. The crown (2) includes multiple sets of crowns, each set having multiple crowns of varying heights. The upper outer support (2a) refers to the lower part of the outer periphery of any crown.

2. The temporary implant crown cuff forming device according to claim 1, characterized in that: The platform (1) is provided with a plug-in part (12) located on the surface of the recessed outer support part (11), and the crown (2) is provided with a plug-in hole (21) that is plugged into and cooperates with the plug-in part (12). The outer periphery of the insertion part (12) is provided with symmetrical inner grooves (12a), and the inner grooves (12a) are in clearance fit with the outer protrusions (21a) provided on the inner wall of the insertion hole (21). The gap between the insertion part (12) and the insertion hole (21) is filled with oral adhesive material.

3. The temporary implant crown cuff forming device according to claim 2, characterized in that: The upper end of the central screw (3) is provided with an outer locking part (31), which is engaged and matched with the locking part (14) provided inside the platform (1), and the locking part (14) is interconnected with the inner cavity of the through hole (13) and the insertion part (12). The lower side of the central screw (3) is provided with a first threaded section (32), which is threadedly engaged with the threaded hole on the implant.

4. The temporary implant crown cuff forming device according to claim 3, characterized in that: The platform (1) has an internal threaded hole (13a) that is concentric with the engaging part (14). The upper side of the central screw (3) is provided with a second threaded section (32a) that connects with the first threaded section (32). Both the first threaded section (32) and the second threaded section (32a) are threadedly engaged with the internal threaded hole (13a).

5. The temporary implant crown cuff forming device according to claim 4, characterized in that: The height of the upper extension support (2a) is directly proportional to the height of the multiple crowns on the crown body (2).

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