Bionic personalized abutment horizontal bridge

Abstract

The invention discloses a bionic personalized abutment horizontal bridge, and relates to the related field of dentistry, the bionic personalized abutment horizontal bridge comprises a horizontal bridge body, the bottom of the horizontal bridge body is locked in an alveolar bone through a plurality of groups of locking blocks arranged at different angles, the inner side of an abutment part is in threaded connection with an implant, the lower end of the implant is provided with a fitting block, and the fitting block is provided with a plurality of locking blocks. The top of the fixed vertical rod is in contact with the expansion mechanism, and the expansion mechanism is arranged on the inner side of the implant, so that the inner side of the lower end of the dental crown body is fully filled with the outer side of the upper end of the implant through an adhesive. According to the bionic personalized abutment horizontal bridge, through the collaborative design of the locking mechanism and the expansion mechanism, double key improvements are achieved; a fixed vertical rod pushes a butt-joint rod of an expansion mechanism, so that an extrusion conical block opens extension fins which are distributed at equal angles, an adhesive which is connected with a conical attaching table at the top of a threaded rod and the inner side of a dental crown body is fully extruded and filled, and a tiny gap caused by uneven coating is eliminated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dentistry, in particular to a bionic personalized abutment horizontal bridge. BACKGROUND

[0002] With the continuous improvement of people's living standards and the gradual extension of the average life expectancy of human beings, the average age of edentulous patients is increasing, accompanied by gradual absorption and atrophy of the alveolar ridge. The difficulty of tooth repair for edentulous patients using conventional single denture increases, and such patients generally require customized implant bridges for half or full denture repair, which requires the use of abutment horizontal bridges.

[0003] There are many types of existing abutment horizontal bridges, but there are certain deficiencies in the process of use. When wearing, it is extremely easy to cause loosening or instability in the later stage. In order to solve the above problems, reference can be made to the existing technology (Chinese patent with application number CN202220403021.8 and application date 2022-02-25) discloses a dental implant bridge. The bridge can limit the fixed rod through the cooperation of the first clamping plate, the second clamping plate and the limiting hole, so as to prevent the fixed rod from being separated from the implant, causing the bridge body to loosen. Reference can also be made to the existing technology (Chinese patent with application number CN202411162981.X and application date 2024-08-23) discloses a high-strength titanium alloy bridge for dental implant. The bridge designs a limiting component at the connection between the fixing part and the artificial tooth. After there is a downward pushing force on the linkage rod, the linkage rod can drive the first wedge block to slide downward in the first sliding groove, and the second wedge block can move laterally in the second sliding groove, so that the second wedge block drives the insert block to move laterally, and then the insert block is inserted into the inside of the installation slot to limit the artificial tooth, making the installation of the artificial tooth convenient and firm, greatly improving the individual customization ability and installation precision of the entire implant bridge system. Finally, reference can be made to the existing technology (Chinese patent with application number CN202422982141.X and application date 2024-12-04) discloses a dental implant bridge. The bridge has an upper and lower staggered and symmetrical steel wire connecting positioning component, and the steel wire has a certain elasticity, which can slightly pull the limiting slot laterally to adjust the position of the positioning component. The limiting slot is sleeved outside the healthy tooth crown as a midpoint limiting, the positioning component connects the tooth crown and the implant, and the limiting clamping plates at both ends of the steel wire are clamped on the side wall of the adjacent tooth crown, which fixes the entire implant tooth with spacing and increases the installation stability.

[0004] Although the above-mentioned existing patent can solve the problem of stable installation, there are still some deficiencies in the process of work. In the assembly link of the abutment and the crown, in addition to ensuring the stable connection of the implant and the abutment, the reliable fixation of the crown and the abutment also needs to be realized. In the prior art, the adhesive bonding method is mostly used to complete the fixing process. However, due to the uneven distribution of the adhesive coating on the fitting surface of the crown and the abutment, a small gap is formed after the two are assembled, which may cause the crown to loosen after long-term use, and finally there is a technical risk of falling off.

[0005] Therefore, we propose a bionic personalized abutment horizontal bridge to solve the problems raised in the above. SUMMARY

[0006] The purpose of the present application is to provide a bionic personalized abutment horizontal bridge to solve the problems raised in the above background art. The abutment horizontal bridge on the market currently needs to ensure the stable connection of the implant and the abutment in the assembly link of the abutment and the crown, and also needs to realize the reliable fixation of the crown and the abutment. In the prior art, the adhesive bonding method is mostly used to complete the fixing process. However, due to the uneven distribution of the adhesive coating on the fitting surface of the crown and the abutment, a small gap is formed after the two are assembled, which may cause the crown to loosen after long-term use, and finally there is a technical risk of falling off.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a bionic personalized abutment horizontal bridge, comprising a horizontal bridge body, the bottom of the horizontal bridge body is locked in the alveolar bone through several groups of locking blocks arranged at different angles, the inner side of the upper end of the horizontal bridge body is assembled with several groups of abutment pieces, the surface of the abutment piece is provided with a threaded groove, and the abutment piece is connected with the inner side of the horizontal bridge body through the threaded groove, and the upper end of the abutment piece is provided with a crown body; the inner side of the abutment piece is connected with an implant through a thread, the lower end of the implant is provided with a fitting block, the bottom outer side of the fitting block is in contact with the top of the locking mechanism on the inner side of the abutment piece, and the acting end of the locking mechanism is fitted on the inner side of the horizontal bridge body to realize the firm connection of the horizontal bridge body and the abutment piece; the inner side of the abutment piece is fixedly provided with a fixed vertical rod, the top of the fixed vertical rod is in contact with an expansion mechanism, and the expansion mechanism is arranged on the inner side of the implant to realize that the upper end outer side of the implant is fully filled with the lower end inner side of the crown body through an adhesive.

[0008] Preferably, the inner part of the base member is provided with a cavity, the locking mechanism further comprises a pressing arc block slidingly arranged at the inner side of the upper end of the base member, the top outer side of the pressing arc block is in contact with the abutting block, the bottom center of the pressing arc block is fixedly provided with a connecting rod, the middle outer side of the connecting rod is connected with the inner part of the base member through a return spring, the two sides of the connecting rod in the cavity are fixedly provided with inclined blocks, the outer side of the inclined blocks is attached to the inclined surface of the inclined block, the outer side of the inclined block is fixedly provided with a positioning pin, and the outer side of the positioning pin is fixedly connected with the inner side of the base member through a connecting spring.

[0009] Preferably, the positioning pin is symmetrically provided with two groups with respect to the center of the base member, and the positioning pin is slidingly arranged at the inner side of the base member, and the inner side of the base member and the positioning pin form a sliding structure through the inclined block.

[0010] Preferably, the elastic force of the return spring is greater than the sum of the elastic forces of the two groups of connecting springs, and the outer side of the positioning pin protrudes out of the outer side of the base member and is attached to and locked with the inner side of the horizontal bridge body.

[0011] Preferably, the shapes of the pressing arc block and the abutting block are both hemispherical, the upper end outer side of the fixed vertical rod is slidingly arranged in the inner side of the connecting rod and the inner side of the top end of the pressing arc block, and the top end of the fixed vertical rod protrudes into the inner side of the abutting block.

[0012] Preferably, the top of the implant is fixedly provided with a conical abutting table, and the outer side of the conical abutting table is attached to the inner side of the lower end of the crown body through an adhesive.

[0013] Preferably, the expansion mechanism comprises a butt joint rod slidingly arranged in the inner part of the abutting block and the implant, the top end of the butt joint rod is fixedly provided with a pressing conical block, the outer side of the pressing conical block is attached to the inner side of a plurality of groups of extension fins, and the upper end outer sides of the plurality of groups of extension fins are connected with each other through elastic sheets.

[0014] Preferably, the top center of the elastic sheet is fixedly arranged at the inner top center of the conical abutting table, and the plurality of groups of extension fins are equiangularly distributed with respect to the center of the elastic sheet.

[0015] Preferably, the outer side of the extension fin is slidingly arranged in the inner part of the conical abutting table, and there is a gap between the outermost side of the extension fin and the inner side of the crown body.

[0016] Preferably, the pressing conical block is obliquely arranged in the inner side of the conical abutting table, the top outer side of the pressing conical block is arranged in an arc shape, the top of the pressing conical block is attached to the inner side of the extension fin, and the bottom center of the butt joint rod is arranged in line with the center of the fixed vertical rod.

[0017] Compared with the prior art, the beneficial effects of the application are: the bionic personalized base platform horizontal bridge, through the cooperative design of the locking mechanism and the expansion mechanism, realizes double key improvements; in the locking mechanism, the connecting threaded rod drives the fitting block to press down and extrude the arc block, prompting the connecting rod linkage inclined block to push the inclined block, making the symmetrically arranged positioning pins extend out of the implant and fit the inner side of the horizontal bridge body, ensuring that the implant and the horizontal bridge body are firmly locked, avoiding loose connection of the foundation; at the same time, the fixed vertical rod pushes the butt joint rod of the expansion mechanism, making the extruded conical block spread the extension fins distributed at equal angles, cooperating with the elastic reset of the elastic sheet, so that the adhesive between the top conical fitting platform of the connecting threaded rod and the inner side of the dental crown body is fully extruded and filled, eliminating the small gap caused by uneven coating, and the specific content is as follows:

[0018] 1. When the connecting threaded rod is threadedly connected with the implant, the fixed vertical rod pushes the butt joint rod, and the inclined arranged extruded conical block extrudes the extension fins upward, the extension fins slide along the inside of the conical fitting platform and are distributed at equal angles, which can uniformly push the adhesive to the inner side of the dental crown body, and cooperate with the reset constraint of the elastic sheet on the extension fins to avoid local accumulation or vacancy of the adhesive; at the same time, the outermost side of the extension fins and the inner side of the dental crown reserved gap not only provide space for the flow of adhesive, but also can reduce the shrinkage gap of the adhesive after solidification through the supporting effect of the fins, fundamentally reducing the risk of loosening and falling of the dental crown after long-term use, and improving the reliability of the connection between the dental crown and the base platform.

[0019] 2. Through the locking mechanism and the contact design of the semispherical fitting block and the extruded arc block, the jamming in the pressing down process can be reduced, and the positioning pins can be smoothly extended; the symmetrically arranged positioning pins can be synchronously fitted to the inner side of the horizontal bridge body from both sides of the implant, avoiding connection deviation caused by unilateral stress; in addition, the elastic force matching of the reset spring and the connecting spring not only ensures the stability of the positioning pins after locking, but also facilitates disassembly and adjustment during later maintenance. Combined with the locking blocks of different angles at the bottom, it can adapt to complex forms after alveolar bone atrophy, without the need for excessive modification of the alveolar bone, reducing the trauma of patients during diagnosis and treatment, and improving the adaptability and comfort of personalized repair. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front view structure schematic diagram of the application;

[0021] Figure 2 is a front view structure schematic diagram of the implant;

[0022] Figure 3 is a front view structure schematic diagram of the implant;

[0023] Figure 4 is an enlarged structure schematic diagram of A in the application; Figure 3

[0024] Figure 5 ​It is the oblique block bottom view structural schematic diagram of the application.

[0025] Figure 6 It is the fixed vertical rod front view structural schematic diagram of the application.

[0026] Figure 7 It is the implant front view structural schematic diagram of the application.

[0027] Figure 8 It is the implant front view structural schematic diagram of the application.

[0028] Figure 9 It is the extrusion cone-shaped block bottom view structural schematic diagram of the application.

[0029] In the figure: 1, horizontal bridge body; 2, locking block; 3, base piece; 301, cavity; 4, threaded groove; 5, implant; 501, conical fitting platform; 6, crown body; 7, fitting block; 8, extrusion arc block; 9, connecting rod; 10, reset spring; 11, oblique block; 12, inclined surface block; 13, positioning tip; 14, connecting spring; 15, fixed vertical rod; 16, butt joint rod; 17, extrusion cone-shaped block; 18, extended fin; 19, elastic sheet. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Please refer to Figures 1-9 The application provides the following technical solutions: a bionic personalized base horizontal bridge.

[0032] Embodiment one: the embodiment mainly discloses the structure for locking between the horizontal bridge body 1 and the base piece 3, avoiding the phenomenon of easy loosening during use, and the specific can refer to the attached Figure 1 -attached Figure 6The application relates to a horizontal bridge body 1, the bottom of the horizontal bridge body 1 is locked in a jaw bone through a plurality of groups of locking blocks 2 arranged at different angles, the inner side of the upper end of the horizontal bridge body 1 is equipped with a plurality of groups of abutment pieces 3, a threaded groove 4 is formed in the surface of the abutment piece 3, the abutment piece 3 is threadedly connected with the inner side of the horizontal bridge body 1 through the threaded groove 4, and a dental crown body 6 is arranged at the upper end of the abutment piece 3; an implant 5 is threadedly connected with the inner side of the abutment piece 3, a fitting block 7 is arranged at the lower end of the implant 5, the bottom outer side of the fitting block 7 is in contact with the top of a locking mechanism on the inner side of the abutment piece 3, and the acting end of the locking mechanism is fitted on the inner side of the horizontal bridge body 1, so as to realize the firm connection of the horizontal bridge body 1 and the abutment piece 3; two groups of positioning stems 13 are symmetrically arranged about the center position of the abutment piece 3, the positioning stems 13 are slidingly arranged on the inner side of the abutment piece 3, and the positioning stems 13 and the inner side of the abutment piece 3 form a sliding structure through inclined blocks 12; the elastic force of a reset spring 10 is greater than the sum of the elastic forces of two groups of connecting springs 14, the outer side of the positioning stem 13 extends out of the outer side of the abutment piece 3 and is fitted and locked with the inner side of the horizontal bridge body 1; the shapes of the extrusion arc blocks 8 and the fitting block 7 are both hemispherical, the upper end outer side of a fixed vertical rod 15 is slidingly arranged in the inner side of a connecting rod 9 and the inner side of the top end of the extrusion arc block 8, and the top end of the fixed vertical rod 15 extends into the inner side of the fitting block 7.

[0033] Firstly, the abutment piece 3 is initially threadedly connected with the inner side of the upper end of the horizontal bridge body 1 through the threaded groove 4 on the surface, and the bottom of the horizontal bridge body 1 is locked with the jaw bone through a plurality of groups of locking blocks 2 arranged at different angles, so that the basic position is positioned; then, the implant 5 on the inner side of the abutment piece 3 is rotated to move downwards along the inner side of the abutment piece 3, and the hemispherical fitting block 7 at the lower end is synchronously moved downwards; during the downward movement of the fitting block 7, the bottom outer side of the fitting block 7 is in contact with the hemispherical extrusion arc block 8 on the inner side of the abutment piece 3 and continuously pressed downwards, the extrusion arc block 8 is forced to drive the bottom-fixed connecting rod 9 to slide downwards against the elastic force of the reset spring 10, the fixed vertical rod 15 penetrating through the connecting rod 9 and the extrusion arc block 8 provides a guide for the sliding of the connecting rod 9; when the connecting rod 9 moves downwards, the inclined blocks 11 on both sides of the connecting rod 9 in the cavity 301 synchronously move downwards, the inclined surface of the inclined block 11 interacts with the inclined surface of the inclined block 12, the inclined block 12 moves outwards relative to the abutment piece 3, and then the positioning stem 13 fixed on the outer side of the inclined block 12 slides outwards relative to the abutment piece 3 against the elastic force of the connecting spring 14; since the two groups of positioning stems 13 are symmetrically arranged about the center of the abutment piece 3, and the elastic force of the reset spring 10 is greater than the sum of the elastic forces of the two groups of connecting springs 14, the positioning stem 13 can be tightly fitted on the inner side of the horizontal bridge body 1 after being extended outwards, and bidirectional locking is formed; through the double fixing structure, stable connection is realized, and loosening is avoided.

[0034] Embodiment two: In order to solve the abutment horizontal bridge in the market, in the assembly link of abutment and crown, in addition to ensuring the stable connection of abutment piece 3 and abutment, the reliable fixation of crown and abutment also needs to be realized. In the prior art, the adhesive bonding method is mostly used to complete the fixation process, but due to the uneven distribution of adhesive coating on the bonding surface of crown and abutment, a small gap is formed after the assembly of the two, which may cause the crown to loosen after long-term use, and finally there is a technical risk of falling off. Please refer to the following drawings Figure 1 -Appendix Figure 3 and Appendix Figure 7 -Appendix Figure 9 The inner side of the abutment piece 3 is fixedly provided with a fixed vertical rod 15, the top of the fixed vertical rod 15 is in contact with the expansion mechanism, the expansion mechanism is arranged on the inner side of the implant 5, so as to realize that the upper end outer side of the implant 5 is fully filled with the lower end inner side of the crown body 6 through adhesive; The top of the implant 5 is fixedly provided with a conical fitting platform 501, the outer side of the conical fitting platform 501 is in contact with the lower end inner side of the crown body 6 through adhesive; The expansion mechanism includes a butt joint rod 16 slidingly arranged in the fitting block 7 and the interior of the implant 5, the top end of the butt joint rod 16 is fixedly provided with an extrusion conical block 17, the outer side of the extrusion conical block 17 is in contact with the inner side of a plurality of groups of extension fins 18, the upper end outer side of the plurality of groups of extension fins 18 is connected to each other through an elastic sheet 19; The top center position of the elastic sheet 19 is fixedly arranged at the inner top center position of the conical fitting platform 501, and the plurality of groups of extension fins 18 are distributed at equal angles about the center position of the elastic sheet 19; The outer side of the extension fin 18 is slidingly arranged in the interior of the conical fitting platform 501, and there is a gap between the outermost side of the extension fin 18 and the inner side of the crown body 6; The extrusion conical block 17 is obliquely arranged in the inner side of the conical fitting platform 501, and the top outer side of the extrusion conical block 17 is arc-shaped, the top of the extrusion conical block 17 is in contact with the inner side of the extension fin 18, and the bottom center of the butt joint rod 16 and the center of the fixed vertical rod 15 are arranged in a line.

[0035] On the basis of locking the abutment member 3 and the horizontal bridge body 1, the adhesive is applied outside the conical fitting platform 501 on the top of the implant 5, and then the crown body 6 is sleeved outside the conical fitting platform 501; at this time, the top of the fixed vertical rod 15 inside the abutment member 3 is in contact with the bottom of the butt rod 16 inside the implant 5; when the implant 5 is subsequently fine-tuned, the slight movement of the implant 5 relative to the abutment member 3 will cause the butt rod 16 to be subjected to the upward thrust of the fixed vertical rod 15, and the butt rod 16 moves upward along the inside of the fitting block 7 and the implant 5, driving the inclined extrusion conical block 17 at the top to move upward synchronously; during the upward movement of the extrusion conical block 17, the arc-shaped top outside is in contact with and extrudes the inside of the plurality of groups of angularly distributed extension fins 18, pushing the extension fins 18 to slide outward along the inside of the conical fitting platform 501; when the extension fins 18 slide outward, the adhesive between the conical fitting platform 501 and the inside of the crown body 6 is evenly pushed and dispersed around, and the gap reserved between the outermost extension fins 18 and the inside of the crown body 6 provides space for the flow and filling of the adhesive, finally realizing the uniform distribution of the adhesive on the fitting surface, eliminating the slight gap, and avoiding the loosening and falling off of the crown body 6 after long-term use.

[0036] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A biomimetic personalized abutment horizontal bridge, comprising a horizontal bridge body (1), wherein the bottom of the horizontal bridge body (1) is locked into the alveolar bone by a plurality of locking blocks (2) set at different angles, and a plurality of abutment components (3) are assembled on the inner side of the upper end of the horizontal bridge body (1), wherein the surface of the abutment component (3) is provided with a threaded groove (4), and the abutment component (3) is threadedly connected to the inner side of the horizontal bridge body (1) through the threaded groove (4), and a crown body (6) is installed on the upper end of the abutment component (3); characterized in that: The abutment (3) is threadedly connected to an implant (5). The lower end of the implant (5) is provided with a bonding block (7). The outer bottom of the bonding block (7) is in contact with the top of the locking mechanism on the inner side of the abutment (3). The working end of the locking mechanism is attached to the inner side of the horizontal bridge body (1) to achieve a firm connection between the horizontal bridge body (1) and the abutment (3). A fixing rod (15) is fixedly provided on the inner side of the abutment (3). The top of the fixing rod (15) is in contact with the expansion mechanism. The expansion mechanism is located on the inner side of the implant (5) to achieve full filling of the upper outer side of the implant (5) with the lower inner side of the crown body (6) by adhesive.

2. The biomimetic personalized platform horizontal cable tray according to claim 1, characterized in that: The base (3) has a cavity (301) inside. The locking mechanism also includes a squeezing arc block (8) that is slidably disposed on the inner side of the upper end of the base (3). The outer top of the squeezing arc block (8) is in contact with the fitting block (7). A connecting rod (9) is fixed at the center of the bottom of the squeezing arc block (8). The outer middle part of the connecting rod (9) is connected to the inside of the base (3) through a return spring (10). Both sides of the connecting rod (9) in the cavity (301) are fixed with inclined blocks (11). The outer side of the inclined block (11) is attached to the inclined surface of the inclined block (12). A positioning pin (13) is fixed on the outer side of the inclined block (12). The outer side of the positioning pin (13) is fixedly connected to the inner side of the base (3) through a connecting spring (14).

3. The biomimetic personalized platform horizontal cable tray according to claim 2, characterized in that: The positioning pins (13) are symmetrically arranged in two sets about the center of the base (3), and the positioning pins (13) are slidably arranged on the inner side of the base (3). The positioning pins (13) form a sliding structure with the inner side of the base (3) through the inclined block (12).

4. The biomimetic personalized base horizontal cable tray according to claim 2, characterized in that: The spring force of the reset spring (10) is greater than the sum of the spring forces of the two sets of connecting springs (14), and the outer side of the positioning pin (13) extends out of the outer side of the base piece (3) and is locked to the inner side of the horizontal bridge frame (1).

5. The biomimetic personalized platform horizontal cable tray according to claim 2, characterized in that: The extrusion arc block (8) and the bonding block (7) are both hemispherical in shape. The upper outer side of the fixed vertical rod (15) is slidably disposed inside the connecting rod (9) and the top of the extrusion arc block (8), and the top of the fixed vertical rod (15) extends into the inner side of the bonding block (7).

6. The biomimetic personalized platform horizontal cable tray according to claim 1, characterized in that: The top of the implant (5) is fixed with a conical fitting platform (501), and the outer side of the conical fitting platform (501) is bonded to the inner side of the lower end of the crown body (6) by an adhesive.

7. The biomimetic personalized platform horizontal cable tray according to claim 1, characterized in that: The expansion mechanism includes a docking rod (16) that is slidably disposed inside the bonding block (7) and the implant (5). The top end of the docking rod (16) is fixed with a compression cone block (17). The outer side of the compression cone block (17) is attached to the inner side of several sets of extension fins (18). The upper outer sides of the several sets of extension fins (18) are connected to each other by elastic sheets (19).

8. The biomimetic personalized base horizontal cable tray according to claim 7, characterized in that: The top center of the elastic sheet (19) is fixed at the top center of the inner side of the conical bonding platform (501), and several sets of extended fins (18) are distributed at equal angles with respect to the center of the elastic sheet (19).

9. A biomimetic personalized base horizontal cable tray according to claim 7, characterized in that: The outer side of the extended fin (18) is slidably disposed inside the conical mating platform (501), and there is a gap between the outermost side of the extended fin (18) and the inner side of the crown body (6).

10. A biomimetic personalized base horizontal cable tray according to claim 7, characterized in that: The extrusion cone block (17) is inclinedly arranged on the inner side of the cone bonding platform (501), and the outer side of the top of the extrusion cone block (17) is arc-shaped. The top of the extrusion cone block (17) is attached to the inner side of the extension fin (18). The bottom center of the docking rod (16) is collinear with the center of the fixed vertical rod (15).

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