Split type dental restoration
By using protective and reinforcing components in a split-type dental prosthesis, the problems of easy detachment and root damage in existing dental prostheses are solved, achieving higher safety and stability.
Patent Information
- Application Number
- CN202520219326.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing dental restorations are bonded together with glue, which makes them prone to falling off and may damage the tooth root, resulting in low safety.
It adopts a split design, including protective components and reinforcement components. It uses a buffer spring and slide block structure to prevent the support rod from directly contacting the tooth root, and enhances the tightness of the connection through diagonal bars and reinforcement bars.
It improves the safety and stability of dental restorations, prevents the support rod from directly damaging the tooth root, and enhances the sealing and stability of the connection.
Smart Images

Figure CN223601547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dental prosthetic technology field, concretely is a split type dental prosthesis. BACKGROUND
[0002] The split type dental prosthesis is used for repairing multiple teeth, such as a dental bridge, can be supported by multiple dental fixation devices (also known as dental implants) and be screwed to be kept, such dental prosthesis can be directly arranged on the coronal end face of the dental fixation device, for this purpose, the prosthesis includes a support member with an annular end face, which rests on the top surface of the coronal end face of the dental fixation device, the support member of the prosthesis further includes a through hole for receiving a screw to detachably connect the prosthesis to the dental fixation device;
[0003] For this, the Chinese utility model patent with the authorization announcement number CN212826011U discloses the combination of dental prosthesis and multiple connecting members. The dental prosthesis includes multiple support members, each support member is configured to be releasably connected to a connecting member. Each connecting member includes a first support surface facing a coronal direction of the connecting member for supporting a corresponding support member of the dental prosthesis, and a second support surface facing a top side direction of the connecting member and towards a longitudinal axis of the support member, and is configured to engage with a support surface of a dental fixation device. In addition, each connecting member includes a connecting portion at its coronal portion for receiving a fastening member for releasably connecting one of the support members, the first support surface has an angle relative to the longitudinal axis of the connecting member (measured from its top side end to its coronal end), which is greater than the corresponding angle of the second support surface;
[0004] The existing prosthesis support member is adhered by glue on the end face, so as to be fixedly connected, but the connecting surface is relatively smooth, and the prosthesis support member is directly abutted at the bottom of the patient's tooth root, which is easy to damage the bottom of the tooth root and cause additional wounds, and the safety is low, therefore, the split type dental prosthesis is used to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a split type dental prosthesis to solve the problems in the above background technology.
[0006] A split type dental prosthesis, including a dental crown and a support column, the support column bottom wall is fixedly connected with a support rod, the support rod bottom wall is provided with a protection assembly, the support column top wall is fixedly connected with a support cylinder, the dental crown bottom wall is movably inserted in the support cylinder, and the support cylinder is provided with a reinforcing assembly;
[0007] The protection assembly comprises a limiting cylinder, the top wall of the limiting cylinder is movably inserted into the bottom wall of the supporting column, a sliding plate is arranged in the limiting cylinder, a vertical rod is fixedly connected to the bottom of the sliding plate, the bottom end of the vertical rod movably penetrates the limiting cylinder and extends downward, a protection pad is fixedly connected to the bottom end of the vertical rod, a buffer spring is fixedly connected to the top wall of the sliding plate, and the top wall of the buffer spring is fixedly connected to the top surface of the limiting cylinder.
[0008] The reinforcing assembly comprises a pressing rod, a pressing plate, an inclined rod, a supporting plate and reinforcing rods, a limiting hole is formed in the top of the supporting cylinder, a plurality of through grooves are symmetrically formed in the side wall of the supporting cylinder, the pressing rod is movably inserted into the limiting hole, the bottom wall of the pressing rod movably abuts against the top wall of the pressing plate, the inclined rod is symmetrically rotatably connected to the pressing plate, the bottom end of the inclined rod is rotatably connected to a limiting block, the supporting plate is symmetrically movably arranged in the supporting cylinder, a limiting groove is formed in the side wall of the supporting plate, the limiting block is movably clamped in the limiting groove, a plurality of reinforcing rods are fixedly connected to the side wall of the supporting plate, the side end of the reinforcing rod is movably inserted into the through groove, and the supporting spring is fixedly connected to the side wall of the inclined rod.
[0009] Preferably, the top wall of the pressing rod is fixedly connected with a buffer pad, and the top surface of the dental crown movably abuts against the top wall of the pressing rod.
[0010] Preferably, the bottom wall of the supporting plate is fixedly connected with a sliding rod, and the bottom surface of the supporting cylinder is provided with a sliding rail, and the sliding rail movably clamps the sliding rod.
[0011] Preferably, the outer wall of the supporting rod is provided with a thread, the bottom wall of the dental crown is provided with a sealing pad at the connecting position of the top wall of the supporting column, and the bottom wall of the sealing pad is fixedly connected to the top wall of the supporting column.
[0012] Preferably, the side wall of the limiting cylinder is symmetrically provided with a sliding groove, the two side walls of the sliding plate are fixedly connected with sliding blocks, and the side end of the sliding block is movably clamped in the sliding groove.
[0013] Preferably, the connecting position of the vertical rod and the bottom wall of the limiting cylinder is provided with a sealing ring, and the protection pad is in a hemispherical structure.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The utility model discloses a support rod is inserted in the tooth root place through the setting protection subassembly, under the elastic support of buffer spring, push the slide plate and move down, the slide plate pushes the vertical rod and moves down, and the vertical rod pushes the protection pad and abuts at the tooth root bottom, through setting buffer spring, make the protection pad convenient for lifting stability, will not make the support rod directly and abut at the tooth root place, cause damage, form certain buffer, make the patient receive more easily, and the security is higher, and the protection is better, through setting the use of the matching sliding block of the sliding groove, make the vertical rod moving stability higher, through setting the reinforcing component, make the support cylinder and the crown connection more closely, through the crown sleeve connection on the support cylinder top wall, make the crown inner top surface and abut on the pressure bar top wall, continue to press down, and the pressure bar pushes the pressing plate and moves down, and the pressing plate drives the inclined rod rotation, and the inclined rod drives the limiting block sliding in the limiting groove, thereby push the support plate and move, and the support plate pushes a plurality of reinforcing rods and enters the crown, and the crown is glued in, make the reinforcing rod and the support cylinder and the crown connection more closely, and the sealing property is higher, and the stability is stronger, through setting the use of the matching slide rail of the sliding rod, make the support plate moving stability higher. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is structure schematic diagram of the utility model;
[0017] Figure 2 It is structure schematic diagram of the utility model inside the support rod;
[0018] Figure 3 It is structure schematic diagram of the utility model inside the support cylinder;
[0019] Figure 4 It is structure schematic diagram when the crown and the support cylinder are connected in the utility model.
[0020] In the drawing: 1, crown;2, support column;3, support rod;4, screw thread;5, protection subassembly;51, limiting cylinder;52, sliding groove;53, slide plate;54, sliding block;55, vertical rod;56, sealing ring;57, protection pad;58, buffer spring;6, support cylinder;601, limiting hole;602, through slot;7, sealing pad;8, reinforcing component;81, pressure bar;811, buffer pad;812, antiskid pad;82, pressing plate;83, inclined rod;84, limiting block;85, support plate;86, limiting groove;87, reinforcing rod;88, support spring;89, sliding rod;810, slide rail. DETAILED DESCRIPTION
[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0022] Embodiment 1:
[0023] Please refer to Figures 1-2 The present application provides a technical solution: a split type tooth restoration body, comprising a dental crown 1 and a support column 2, the bottom wall of the support column 2 is fixedly connected with a support rod 3, the bottom wall of the support rod 3 is provided with a protection assembly 5, the top wall of the support column 2 is fixedly connected with a support cylinder 6, the bottom wall of the dental crown 1 is movably inserted into the support cylinder 6, and the support cylinder 6 is provided with a reinforcing assembly 8.
[0024] It should be noted that the protection assembly 5 contains a limiting cylinder 51, the top wall of the limiting cylinder 51 is movably inserted into the bottom wall of the support column 2, the limiting cylinder 51 is provided with a sliding plate 53, the bottom wall of the sliding plate 53 is fixedly connected with a vertical rod 55, the bottom end of the vertical rod 55 is movably penetrated into the limiting cylinder 51 and extends downward, the bottom end of the vertical rod 55 is fixedly connected with a protection pad 57, the top wall of the sliding plate 53 is fixedly connected with a buffer spring 58, and the top wall of the buffer spring 58 is fixedly connected to the top surface in the limiting cylinder 51. By arranging the protection assembly 5, when the support rod 3 is inserted into the tooth root, the sliding plate 53 is pushed to move downward under the elastic support of the buffer spring 58, the sliding plate 53 pushes the vertical rod 55 to move downward, and the vertical rod 55 pushes the protection pad 57 to abut against the bottom of the tooth root. By arranging the buffer spring 58, the protection pad 57 is conveniently lifted and stabilized, the support rod 3 will not directly abut against the tooth root to cause damage, a certain buffer is formed, the patient is more easily accepted, the safety is higher, and the protection is better.
[0025] It needs to be noted that the reinforcing assembly 8 contains the pressing rod 81, the pressing plate 82, the inclined rod 83, the supporting plate 85 and the reinforcing rod 87, the supporting barrel 6 is provided with the limiting hole 601 in the middle of the top, a plurality of groups of through grooves 602 are symmetrically formed in the side wall of the supporting barrel 6, the pressing rod 81 is movably inserted into the limiting hole 601, the bottom wall of the pressing rod 81 movably abuts against the top wall of the pressing plate 82, the inclined rod 83 is symmetrically and rotatably connected to the pressing plate 82, the limiting block 84 is rotatably connected to the bottom end of the inclined rod 83, the supporting plate 85 is movably arranged in the supporting barrel 6, the limiting groove 86 is formed in the side wall of the supporting plate 85, the limiting block 84 is movably clamped in the limiting groove 86, a plurality of groups of reinforcing rods 87 are fixedly connected to the side wall of the supporting plate 85, the side end of the reinforcing rod 87 is movably inserted into the through groove 602, the supporting spring 88 is fixedly connected to the side wall of the inclined rod 83, the dental crown 1 is sleeved on the top wall of the supporting barrel 6, so that the inner top surface of the dental crown 1 abuts against the top wall of the pressing rod 81, the pressing rod 81 is continuously pressed downwards to drive the pressing plate 82 to move downwards, the pressing plate 82 drives the inclined rod 83 to rotate, the inclined rod 83 drives the limiting block 84 to slide in the limiting groove 86, thereby driving the supporting plate 85 to move, the supporting plate 85 drives a plurality of groups of reinforcing rods 87 to enter the dental crown 1, and the reinforcing rods 87, the supporting barrel 6 and the dental crown 1 are more closely connected, the sealing performance is higher, and the stability is stronger.
[0026] Embodiment 2
[0027] Please refer to Figure 3 and Figure 4 , which is the second embodiment of the utility model, and is based on the previous embodiment.
[0028] Specifically, the outer wall of the supporting rod 3 is provided with threads 4, and the bottom wall of the dental crown 1 is provided with a sealing gasket 7 at the connecting position of the top wall of the supporting column 2, and the bottom wall of the sealing gasket 7 is fixedly connected to the top wall of the supporting column 2.
[0029] It needs to be noted that the inner side wall of the limiting barrel 51 is symmetrically provided with a sliding groove 52, the two side walls of the sliding plate 53 are fixedly connected with sliding blocks 54, and the side end of the sliding block 54 is movably clamped in the sliding groove 52, so that the vertical rod 55 has higher movement stability by setting the sliding groove 52 in cooperation with the sliding block 54.
[0030] It needs to be noted that the vertical rod 55 is provided with a sealing ring 56 at the connecting position of the bottom wall of the limiting barrel 51, and the protective pad 57 is provided in a hemispherical structure.
[0031] In addition, the top wall of the pressing rod 81 is fixedly connected with a buffer pad 811, the inner top surface of the dental crown 1 movably abuts against the top wall of the pressing rod 81, and the bottom wall of the pressing rod 81 is fixedly connected with an anti-skid pad 812.
[0032] Specific, the bottom wall of the support plate 85 is fixedly connected with a sliding rod 89, the inner bottom surface of the support cylinder 6 is provided with a sliding rail 810, the sliding rail 810 is movably connected with the sliding rod 89, and the sliding rod 89 is used in cooperation with the sliding rail 810, so that the moving stability of the support plate 85 is higher.
[0033] Please refer to Figures 1 to 4 When the utility model is used, the support rod 3 is inserted at the tooth root, under the elastic support of the buffer spring 58, the sliding plate 53 is pushed to move downwards, the sliding plate 53 pushes the vertical rod 55 to move downwards, the vertical rod 55 pushes the protective pad 57 to abut at the bottom of the tooth root, the buffer spring 58 is arranged, the protective pad 57 is conveniently lifted and stabilized, the support rod 3 is not directly abutted at the tooth root, damage is caused, a certain buffer is formed, patients are more easily accepted, safety is higher, protection is better, the sliding groove 52 is arranged in cooperation with the sliding block 54, the moving stability of the vertical rod 55 is higher, the reinforcing assembly 8 is arranged, the support cylinder 6 and the dental crown 1 are more closely connected, the dental crown 1 is sleeved on the top wall of the support cylinder 6, the inner top surface of the dental crown 1 abuts on the top wall of the pressing rod 81, the pressing rod 81 pushes the pressing plate 82 to move downwards, the pressing plate 82 drives the inclined rod 83 to rotate, the inclined rod 83 drives the limiting block 84 to slide in the limiting groove 86, so that the support plate 85 is pushed to move, the support plate 85 pushes the plurality of reinforcing rods 87 into the dental crown 1, glue is injected in the dental crown 1, the reinforcing rod 87 and the support cylinder 6 and the dental crown 1 are more closely connected, the sealing property is higher, and the stability is stronger, the sliding rod 89 is arranged in cooperation with the sliding rail 810, so that the moving stability of the support plate 85 is higher.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A split tooth restoration comprising a dental crown (1) and a support post (2), characterized in that: The bottom wall of the support column (2) is fixedly connected with a support rod (3), the bottom wall of the support rod (3) is provided with a protection assembly (5), the top wall of the support column (2) is fixedly connected with a support cylinder (6), the bottom wall of the dental crown (1) is movably inserted into the support cylinder (6), and the support cylinder (6) is provided with a reinforcing assembly (8); The protection assembly (5) contains a limiting cylinder (51), the top wall of the limiting cylinder (51) is movably inserted into the bottom wall of the support column (2), the limiting cylinder (51) is provided with a sliding plate (53), the bottom wall of the sliding plate (53) is fixedly connected with a vertical rod (55), the bottom end of the vertical rod (55) is movably penetrated into the limiting cylinder (51) and extends downward, the bottom end of the vertical rod (55) is fixedly connected with a protection pad (57), the top wall of the sliding plate (53) is fixedly connected with a buffer spring (58), and the top wall of the buffer spring (58) is fixedly connected to the top surface in the limiting cylinder (51). The reinforcing assembly (8) contains a pressing rod (81), a pressing plate (82), an inclined rod (83), a support plate (85) and a reinforcing rod (87), the top wall of the support cylinder (6) is provided with a limiting hole (601), a plurality of groups of through grooves (602) are symmetrically formed in the side wall of the support cylinder (6), the pressing rod (81) is movably inserted into the limiting hole (601), the bottom wall of the pressing rod (81) movably abuts against the top wall of the pressing plate (82), the pressing plate (82) is symmetrically rotatably connected with the inclined rod (83), the bottom end of the inclined rod (83) is rotatably connected with a limiting block (84), the support plate (85) is movably arranged in the support cylinder (6), the opposite side wall of the support plate (85) is provided with a limiting groove (86), the limiting block (84) is movably clamped in the limiting groove (86), the side wall of the support plate (85) is fixedly connected with a plurality of groups of reinforcing rods (87), the side end of the reinforcing rod (87) is movably inserted into the through groove (602), and the opposite side wall of the inclined rod (83) is fixedly connected with a support spring (88).
2. The split dental restoration of claim 1, wherein: The outer wall of the support rod (3) is provided with a thread (4), the bottom wall of the dental crown (1) is provided with a sealing pad (7) at the connecting position of the top wall of the support column (2), and the bottom wall of the sealing pad (7) is fixedly connected to the top wall of the support column (2).
3. The split dental restoration of claim 1, wherein: The opposite side walls of the sliding plate (53) are fixedly connected with sliding blocks (54), and the side end of the sliding block (54) is movably clamped in the sliding groove (52).
4. The split dental restoration of claim 1, wherein: The connecting position of the vertical rod (55) and the bottom wall of the limiting cylinder (51) is provided with a sealing ring (56), and the protection pad (57) is provided in a hemispherical structure.
5. The split dental restoration of claim 1, wherein: The top wall of the pressing rod (81) is fixedly connected with a buffer pad (811), the top surface in the dental crown (1) movably abuts against the top wall of the pressing rod (81), and the bottom wall of the pressing rod (81) is fixedly connected with an anti-skid pad (812).
6. The split dental restoration of claim 1, wherein: The bottom wall of the support plate (85) is fixedly connected with a sliding rod (89), and the inner bottom surface of the support cylinder (6) is provided with a sliding rail (810).
Citation Information
Patent Citations
Close-fitting spliced plastic mold for cement road pile forming
CN212826011U