Cast porcelain bridge tooth with uniform occlusion density
By designing a cast porcelain bridge structure including base film, fixing teeth, bridge teeth and removable fixing mechanism, the existing cast porcelain bridge teeth are solved, and a more stable fixed connection and a more uniform bite effect are achieved.
Patent Information
- Application Number
- CN202421853732.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-08-01
AI Technical Summary
In use, existing cast porcelain bridge teeth are prone to problems such as intimate bite, uneven bite force and unstable fixation, resulting in poor bite effect and prone to overall falloff.
By designing a cast porcelain bridge structure including a base film, fixing teeth, bridge teeth and a removable fixing mechanism, a fixed sleeve and a threaded connection between the fixing rod and the threaded rod with the connecting hole is formed to form a stable fixing mechanism, and through structures such as elastic support mechanism and connecting plate, the stability and joint density uniformity of the bridge teeth are enhanced.
The stable connection of the fixed teeth is achieved, preventing the separation of the fixed teeth from the mounting plate, enhancing the stability and uniformity of the bridge teeth, avoiding the shaking and moving alone, and improving the occlusion force and user experience.
Smart Images

Figure CN222787908U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cast porcelain bridge teeth with dense and uniform occlusion, in particular to a cast porcelain bridge tooth with dense and uniform occlusion. Background Art
[0002] Cast porcelain teeth are called cast ceramic crowns, also known as all-ceramic teeth. They are new crown restorations that have emerged in recent years. They are made of new castable ceramic materials and are superior to metal porcelain teeth in appearance and biological properties. The biggest difference between them is the inner crown. The inner crown of a cast porcelain tooth is porcelain, a transparent skeleton without a metal base layer.
[0003] The existing cast porcelain bridge teeth often have the problem of loose bite and uneven bite force due to unstable bridge connection, which greatly reduces the user experience. The existing cast porcelain bridge teeth with dense and uniform bite, although it improves the bite effect, the fixation of the bridge teeth and the fixed teeth is not stable enough, so that while the bite effect is enhanced, the stability is reduced, and it is easy for the whole to fall off during the bite process, which is not conducive to actual use.
[0004] For example, a cast porcelain bridge tooth with a close and uniform occlusion, as disclosed in publication number CN215130562U, comprises a base membrane, a main body tooth, a bridge tooth, a first fixed tooth, a second fixed tooth, a first auxiliary tooth and a second auxiliary tooth. The main body tooth, the first auxiliary tooth and the second auxiliary tooth are installed on the upper end of the base membrane, and a groove is provided between the first auxiliary tooth and the second auxiliary tooth. In this cast porcelain bridge tooth with a close and uniform occlusion, the bridge tooth, the first fixed tooth and the second fixed tooth are a whole, the first fitting block and the second fitting fastener are in the same vertical direction as the first fitting groove and the second fitting groove, and the first fitting block is embedded in the first fitting groove, the second fitting fastener is embedded in the second fitting groove, and the bottom of the bridge tooth is embedded in the groove. The above-mentioned technical problems also exist. Utility Model Content
[0005] The utility model aims to provide a cast porcelain bridge with close and uniform occlusion, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cast porcelain bridge tooth with dense and uniform occlusion, comprising a base membrane, a main body tooth, a fixed tooth, and a bridge tooth, characterized in that: a fixing groove is downwardly opened on the top of the base membrane, the bottom of the bridge tooth is downwardly inserted into the fixing groove, a plurality of detachable fixing mechanisms are installed on the top of the base membrane, the fixing mechanism comprises a mounting plate fixedly installed on the top of the base membrane, a fixing block is installed on the top of the mounting plate, a fixing rod is installed on the top of the fixing block, a fixing sleeve that is transparent up and down is installed on the top inner wall of the fixing tooth, the inner wall of the fixing sleeve is in close contact with the surface of the fixing rod, the bottom of the fixing sleeve is in close contact with the top of the fixing block, a connecting hole 1 is opened on the front and rear sides of the fixing block, a connecting thread 1 is arranged on the inner wall of the connecting hole 1, a fixing plate is installed on the front and rear inner walls of the fixing tooth, the front and rear sides of the two fixing plates are in close contact with the front and rear sides of the fixing block respectively, and the fixing plates A connecting hole 2 which is transparent from front to back is opened, and a connecting thread 2 is arranged on the inner wall of the connecting hole 2, and slots are arranged on the front and rear sides of the fixing tooth, and the fixing mechanism includes a plurality of threaded rods, the threaded rod passes through the connecting hole 2 and is inserted into the connecting hole 1, and a connecting thread 3 is arranged on the surface of the threaded rod, and the connecting thread 3 is threadedly connected with the connecting thread 2 and the connecting thread 1, so that the threaded rod is threadedly connected with the connecting hole 1 and the connecting hole 2, and the fixing mechanism includes a plurality of threaded rods, the threaded rod passes through the connecting hole 2 and is inserted into the connecting hole 1, and a connecting thread 3 is arranged on the surface of the threaded rod, and the connecting thread 3 is threadedly connected with the connecting thread 2 and the connecting thread 1, so that the threaded rod is threadedly connected with the connecting hole 1 and the connecting hole 2, and the fixing mechanism includes a plurality of nuts, the surface of the nuts is in close contact with the inner wall of the slot, and one side of the nut is fixedly connected to an end of the threaded rod away from the connecting hole 1, and a fastening groove is arranged on a side of the nut away from the threaded rod.
[0007] Optionally, it also includes an elastic support mechanism, which includes a connecting shell, which is installed on the side of the fixed tooth facing the bridge tooth, and an opening is provided on the side of the connecting shell away from the fixed tooth, and the side of the connecting shell away from the fixed tooth is in close contact with the bridge tooth.
[0008] Optionally, the elastic support mechanism includes a support plate arranged in the connecting shell, and one side of the support plate that contacts the opening of the connecting shell is in close contact with one side of the bridge tooth. A spring is installed on the inner wall of the connecting shell on the side close to the fixed tooth, and one end of the spring away from the inner wall of the connecting shell is connected to one side of the support plate.
[0009] Optionally, the elastic support mechanism includes a plurality of support tubes that are transparent on the left and right, wherein the support tubes are located in the connecting shell, one end of the support tubes is installed on the inner wall of the connecting shell on the side close to the fixed tooth, and the side of the support tubes away from the inner wall of the connecting shell is connected to one side of the support plate, and elastic rubber is arranged in the support tubes.
[0010] Optionally, the bridge comprises an outer layer, a glue layer and an elastic layer, the outer layer is arranged on the outer wall of the bridge, the inner wall of the outer layer is connected to one side of the glue layer, and the other side of the glue layer is connected to the elastic layer.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. The utility model forms a fixing mechanism by arranging fixing teeth, a mounting plate, a fixing block, a fixing rod, a fixing sleeve, a fixing plate, a connecting hole 1, a connecting hole 2, a notch, a threaded rod, a nut and a fastening groove. The fixing teeth are initially fixed by sleeve connection of the fixing sleeve and the fixing rod, so that the bottom of the fixing teeth is in close contact with the top of the mounting plate, and the fixing teeth of the fixing plate are fixed by threaded connection of the threaded rod with the connecting hole 1 and the connecting hole 2, so that the fixing teeth are connected to the mounting plate to prevent the fixing teeth from moving. The utility model has strong stability and can prevent the fixing teeth from being separated from the mounting plate. At the same time, a nut and a fastening groove are arranged. The threaded rod is driven to rotate by rotating the nut to move the threaded rod, so that the fixing of the fixing teeth can be released, so that the fixing teeth can be quickly removed, saving time and facilitating maintenance, cleaning and replacement of the fixing teeth.
[0013] 2. The utility model forms an elastic support mechanism by arranging a connecting shell, a support plate, a spring, a support tube and an elastic rubber. The bridge teeth are supported and fixed by the connecting shell and the support plate to avoid the shaking of the bridge teeth and improve the stability. At the same time, the fixed teeth are connected with the bridge teeth to make the occlusion dense and uniform.
[0014] 3. The utility model provides a connecting plate, a connecting ring and a rubber block so that the fixed teeth and the bridge teeth are fixedly connected by the connecting plate, thereby further fixing the bridge teeth and improving the stability of the bridge teeth, preventing the bridge teeth from shaking and moving independently, and allowing the fixed teeth and the bridge teeth to move synchronously, making the occlusion dense and uniform and enhancing the occlusal strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the top view of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the front view of the utility model;
[0017] Figure 3 It is a structural cross-sectional view of a front view of a fixing mechanism in the utility model;
[0018] Figure 4 A structural cross-sectional view of a top view of a fixing mechanism in the utility model;
[0019] Figure 5 A structural cross-sectional view of a front view of an elastic support mechanism in the utility model;
[0020] Figure 6 It is a structural cross-sectional view of the front view of the base film, bridge teeth, outer layer, rubber layer, elastic layer, fixing groove, connecting ring and rubber block in the utility model;
[0021] Figure 7 This is a structural cross-sectional view of a top view of the bridge teeth, connecting plates, connecting rings and rubber blocks in the utility model.
[0022] In the figure: 1 bottom film, 2 body teeth, 3 fixed teeth, 4 bridge teeth, 401 outer layer, 402 rubber layer, 403 elastic layer, 5 mounting plate, 6 fixing block, 7 fixing rod, 8 fixing sleeve, 9 fixing plate, 10 connecting hole 1, 11 connecting hole 2, 12 notch, 13 threaded rod, 14 nut, 15 fastening groove, 16 fixing groove, 17 connecting shell, 18 supporting plate, 19 spring, 20 supporting tube, 21 elastic rubber, 22 connecting plate, 23 connecting ring, 24 rubber block. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0024] See also Figure 1-7 A cast porcelain bridge tooth with a dense and uniform occlusion, comprising a base film 1, a main body tooth 2, a fixed tooth 3, and a bridge tooth 4. A fixed groove 16 is downwardly opened at the top of the base film 1, and the bottom of the bridge tooth 4 is downwardly inserted into the fixed groove 16. It should be noted that in the present utility model Figure 7 In the figure, there is a gap between the fixing groove 16 and the bridge tooth 4, the purpose of which is to facilitate the distinction of the positional relationship between the two. In actual use, the two are in close contact, so that the bridge tooth 4 is fixed on the base film 1, and a plurality of detachable fixing mechanisms are installed on the top of the base film 1. The specific number of the fixing mechanisms is two, which are respectively located on the left and right sides of the bridge tooth 4.
[0025] The fixing mechanism includes: a mounting plate 5 fixedly mounted on the top of the base film 1, a fixing block 6 mounted on the top of the mounting plate 5, a fixing rod 7 mounted on the top of the fixing block 6, a fixing sleeve 8 transparent from top to bottom mounted on the top inner wall of the fixing tooth 3, the inner wall of the fixing sleeve 8 is in close contact with the surface of the fixing rod 7, the bottom of the fixing sleeve 8 is in close contact with the top of the fixing block 6, so that the mounting plate 5 is connected to the fixing tooth 3 to fix the fixing tooth 3, and the fixing tooth 3 can be released by moving the fixing tooth 3 upward, so that the fixing sleeve 8 moves upward and is separated from the fixing rod 7, and the fixing of the fixing tooth 3 can be separated from the mounting plate 5.
[0026] A connecting hole 10 is provided on both the front and rear sides of the fixing block 6, and a connecting thread 1 is provided on the inner wall of the connecting hole 10. Fixing plates 9 are installed on the inner walls of both the front and rear sides of the fixing tooth 3. The front and rear sides of the two fixing plates 9 are in close contact with the front and rear sides of the fixing block 6 respectively. A front and rear transparent connecting hole 2 11 is provided on the fixing plate 9, and a connecting thread 2 is provided on the inner wall of the connecting hole 2 11. A notch 12 is provided on both the front and rear sides of the fixing tooth 3, and the shape of the notch 12 is circular.
[0027] It includes a plurality of threaded rods 13, the specific number of the threaded rods 13 is two, the threaded rod 13 passes through the connecting hole 2 11 and is inserted into the connecting hole 1 10, the surface of the threaded rod 13 is provided with a connecting thread 3, the connecting thread 3 is threadedly connected with the connecting thread 2 and the connecting thread 1, so that the threaded rod 13 is threadedly connected with the connecting hole 10 and the connecting hole 2 11 to fix the fixed tooth 3.
[0028] The present invention includes a plurality of nuts 14, the specific number of which is two. The surface of the nuts 14 is in close contact with the inner wall of the notch 12. It should be noted that in the present invention, Figure 4 In the figure, there is a gap between the nut 14 and the slot 12 for the purpose of facilitating the distinction of the positional relationship between the two. In actual use, the two are in close contact. The shape of the nut 14 is circular, so that the shape of the nut 14 is consistent with that of the slot 12, so that the nut 14 and the slot 12 fit more closely. One side of the nut 14 is fixedly connected to the end of the threaded rod 13 away from the connecting hole 10, and a fastening groove 15 is provided on the side of the nut 14 away from the threaded rod 13, and the shape of the fastening groove 15 is square.
[0029] The bridge 4 includes an outer layer 401, a glue layer 402 and an elastic layer 403. The outer layer 401 is arranged on the outer wall of the bridge 4. The inner wall of the outer layer 401 is connected to one side of the glue layer 402, and the other side of the glue layer 402 is connected to the elastic layer 403. The outer layer 401 and the glue layer 402 are bonded together. The filler in the glue layer 402 is hydrogel, and the elastic layer 403 is an elastic mesh layer. The outer layer 401, the glue layer 402 and the elastic layer 403 can make the adhesion performance of the bridge 4 better and the durability stronger.
[0030] Specifically, first use a special tool to insert it into the fastening groove 15, and then rotate it, which can drive the nut 14 and the threaded rod 13 to rotate, so that the threaded rod 13 continues to move outward and finally releases the threaded connection with the connecting hole 10 and the connecting hole 2 11, that is, the threaded rod 13 and the nut 14 are removed, and the fixation of the fixed tooth 3 is released. Then, the fixed tooth 3 is moved upward, so that the fixing sleeve 8 moves upward and separates from the fixing rod 7, and the fixation of the fixed tooth 3 is released, so that the fixed tooth 3 can be separated from the mounting plate 5, and the fixed tooth 3 is removed. The fixation of the fixed tooth 3 is more stable, which can effectively prevent the fixed tooth 3 from falling off accidentally, and at the same time facilitates the replacement and maintenance of the fixed tooth 3. Example
[0031] See also Figure 1-7 A cast porcelain bridge tooth with dense and uniform occlusion comprises a base membrane 1, a main tooth 2, a fixed tooth 3, and a bridge tooth 4. A fixing groove 16 is downwardly opened at the top of the base membrane 1, and the bottom of the bridge tooth 4 is downwardly inserted into the fixing groove 16. A plurality of detachable fixing mechanisms are installed on the top of the base membrane 1.
[0032] It includes two elastic support mechanisms, which include: a connecting shell 17, which is installed on the side of the fixed tooth 3 facing the bridge tooth 4, and an opening is provided on the side of the connecting shell 17 away from the fixed tooth 3, and the side of the connecting shell 17 away from the fixed tooth 3 is in close contact with the bridge tooth 4 to clamp and support the bridge tooth 4.
[0033] It includes a support plate 18 arranged in the connecting shell 17. One side of the support plate 18 that contacts the opening of the connecting shell 17 is in close contact with one side of the bridge tooth 4. A spring 19 is installed on the inner wall of the connecting shell 17 on the side close to the fixed tooth 3. The end of the spring 19 away from the inner wall of the connecting shell 17 is connected to one side of the support plate 18. The spring 19 will generate continuous elastic force to push the support plate 18 to continuously move toward the position of the bridge tooth 4. The bridge tooth 4 is clamped and fixed by the support plates 18 on the left and right sides of the bridge tooth 4 to prevent the bridge tooth 4 from shaking.
[0034] It includes a plurality of left and right transparent support tubes 20, which are located in the connecting shell 17, one end of the support tube 20 is installed on the inner wall of the connecting shell 17 on the side close to the fixed tooth 3, and the side of the support tube 20 away from the inner wall of the connecting shell 17 is connected to one side of the support plate 18 to fix the support plate 18 and prevent the support plate 18 from moving. An elastic rubber 21 is arranged in the support tube 20, and the elastic rubber 21 is in a compressed state so that it can continuously generate elastic force to push the support plate 18 to continuously move toward the position of the bridge tooth 4, thereby clamping and fixing the bridge tooth 4.
[0035] Specifically, the bridge tooth 4 is simply supported by installing the connecting shell 17, and is fitted with the surface of the bridge tooth 4 through the support tube 20 and the support plate 18, and then the support plate 18 is pushed by the spring 18 and the elastic rubber 21, so that the support plate 18 has the elastic force to continuously move in the direction of the bridge tooth 4, avoiding the support plate 18 from being away from the bridge tooth 4, and making the support plate 18 in close contact with the bridge tooth 4, so as to support the bridge tooth 4 and prevent the bridge tooth 4 from shaking.
[0036] When in use, the connecting shell 17 is installed on the side of the fixed tooth 3 facing the bridge tooth 4, and the supporting plate 18 is in close contact with one side of the bridge tooth 4, so as to support and fix the bridge tooth 4 and prevent the bridge tooth 4 from shaking. Example
[0037] See also Figure 1-7 A cast porcelain bridge tooth with dense and uniform occlusion comprises a base membrane 1, a main tooth 2, a fixed tooth 3, and a bridge tooth 4. A fixing groove 16 is downwardly opened at the top of the base membrane 1, and the bottom of the bridge tooth 4 is downwardly inserted into the fixing groove 16. A plurality of detachable fixing mechanisms are installed on the top of the base membrane 1.
[0038] A connecting plate 22 is arranged above the base film 1, and the front side of the connecting plate 22 is connected to the rear side of the fixed tooth 3. A connecting ring 23 is installed on the front side of the connecting plate 22. The connecting tube 23 is located below the connecting shell 17. A rubber block 24 is installed on the inner side of the connecting ring 23. The inner side of the rubber block 24 is in close contact with the surface of the bridge tooth 4 to fix the bridge tooth 4 and prevent the bridge tooth 4 from shaking and moving upward, so that the fixed tooth 3 is connected to the bridge tooth 4 to improve the connection effect. When the fixed tooth 3 moves, the bridge tooth 4 will move at the same time to avoid the phenomenon of asynchronous movement and make the occlusion tight.
[0039] The specific setting of the connecting plate 22 connects the fixed tooth 3 with the bridge tooth 4, so that the fixed tooth 3 and the bridge tooth 4 can move synchronously, thereby improving the tightness of the bite. At the same time, the bridge tooth 4 is fixed by the connecting ring 23 and the rubber block 24 to prevent the bridge tooth 4 from shaking and moving upward independently, thereby improving stability.
[0040] It can be seen from the above three embodiments that in the first embodiment, the fixed teeth 3 can be firmly installed on the base film 1, and the fixed teeth 3 can be disassembled and replaced, but the fixation of the bridge teeth 4 is not firm enough. In the second embodiment, the bridge teeth 4 can be clamped and fixed by the connecting shell 17 and the supporting plate 18 to prevent the bridge teeth 4 from shaking, and at the same time, the fixed teeth 3 and the bridge teeth 4 can directly form a certain connection relationship, fix and support the bridge teeth 4 to a certain extent, but the connection strength between the fixed teeth 3 and the bridge teeth 4 is not enough. In the third embodiment, the fixed teeth 3 and the bridge teeth 4 can be connected through the connecting plate 22, so that the fixed teeth 3 and the bridge teeth 4 are firmly connected, and the fixed teeth 3 and the bridge teeth 4 can move synchronously to prevent the bridge teeth 4 from shaking or moving alone, so that the occlusion is dense and uniform.
[0041] When in use, the fixed tooth 3 is installed on the top of the mounting plate 5, the connecting shell 17 is installed on the side of the fixed tooth 3 facing the bridge tooth 4, the supporting plate 18 is in close contact with the bridge tooth 4, the connecting plate 22 is installed on the rear side of the fixed tooth 3, and the rubber block 24 is sleeved on the surface of the bridge tooth 4. The fixed tooth 3 and the bridge tooth 4 can be fixed synchronously, and the fixed tooth 3 and the bridge tooth 4 can move synchronously, so that the occlusion is dense and uniform, and the occlusion force is strong.
[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cast porcelain bridge tooth with close and uniform occlusion, comprising a base film (1), a main tooth (2), a fixed tooth (3), and a bridge tooth (4), characterized in that: A fixing groove (16) is provided downwardly on the top of the base film (1), and the bottom of the bridge tooth (4) is inserted downwardly into the fixing groove (16). A plurality of detachable fixing mechanisms are installed on the top of the base film (1), and the fixing mechanism comprises a mounting plate (5) fixedly installed on the top of the base film (1). A fixing block (6) is installed on the top of the mounting plate (5), and a fixing rod (7) is installed on the top of the fixing block (6). A fixing sleeve (8) which is transparent from top to bottom is installed on the inner wall of the top of the fixing tooth (3). The inner wall of the fixing sleeve (8) is in close contact with the surface of the fixing rod (7), and the bottom of the fixing sleeve (8) is in close contact with the top of the fixing block (6). A connecting hole (10) is provided on the front and rear sides of the fixing block (6), and a connecting thread (1) is provided on the inner wall of the connecting hole (10). A fixing plate (9) is installed on the inner walls of the front and rear sides of the fixing tooth (3), and the front and rear sides of the two fixing plates (9) are respectively connected to the fixing block (6). The front and rear sides are in close contact, the fixing plate (9) is provided with a second connecting hole (11) which is transparent from front to back, the inner wall of the second connecting hole (11) is provided with a second connecting thread, the front and rear sides of the fixing tooth (3) are provided with a notch (12), the fixing mechanism comprises a plurality of threaded rods (13), the threaded rods (13) pass through the second connecting hole (11) and are inserted into the first connecting hole (10), the surface of the threaded rod (13) is provided with a third connecting thread, the third connecting thread is threadedly connected with the second connecting thread and the first connecting thread, so that the threaded rod (13) is threadedly connected with the first connecting hole (10) and the second connecting hole (11), the fixing mechanism comprises a plurality of nuts (14), the surface of the nuts (14) is in close contact with the inner wall of the notch (12), one side of the nuts (14) is fixedly connected with an end of the threaded rod (13) away from the first connecting hole (10), and a fastening groove (15) is provided on the side of the nut (14) away from the threaded rod (13).
2. The cast porcelain bridge with close and uniform occlusion according to claim 1, characterized in that: It also comprises an elastic support mechanism, the elastic support mechanism comprising a connection shell (17), the connection shell (17) being mounted on a side of the fixed tooth (3) facing the bridge tooth (4), an opening being provided on a side of the connection shell (17) away from the fixed tooth (3), and the side of the connection shell (17) away from the fixed tooth (3) being in close contact with the bridge tooth (4).
3. The cast porcelain bridge with close and uniform occlusion according to claim 2, characterized in that: The elastic support mechanism comprises a support plate (18) arranged in the connection shell (17); a side of the support plate (18) in contact with the opening of the connection shell (17) is in close contact with a side of the bridge tooth (4); a spring (19) is installed on the inner wall of a side of the connection shell (17) close to the fixed tooth (3); an end of the spring (19) away from the inner wall of the connection shell (17) is connected to a side of the support plate (18).
4. The cast porcelain bridge with close and uniform occlusion according to claim 3, characterized in that: The elastic support mechanism comprises a plurality of left-right transparent support tubes (20), the support tubes (20) being located in the connection shell (17), one end of the support tubes (20) being mounted on the inner wall of the connection shell (17) on a side close to the fixed teeth (3), the side of the support tubes (20) away from the inner wall of the connection shell (17) being connected to one side of the support plate (18), and elastic rubber (21) being arranged in the support tubes (20).
5. The cast porcelain bridge with close and uniform occlusion according to claim 4, characterized in that: The bridge tooth (4) comprises an outer layer (401), a glue layer (402) and an elastic layer (403); the outer layer (401) is arranged on the outer wall of the bridge tooth (4); the inner wall of the outer layer (401) is connected to one side of the glue layer (402); and the other side of the glue layer (402) is connected to the elastic layer (403).
Citation Information
Patent Citations
Cast porcelain bridge tooth with uniform occlusion density
CN215130562U