Printing customized lingual orthodontic bracket based on DLP mode

Abstract

The invention relates to the technical field of lingual orthodontic brackets, in particular to a printing customized lingual orthodontic bracket based on a DLP mode, which comprises a plurality of supporting plates convenient to disassemble, convex blocks are arranged at the rear ends of the supporting plates, mounting grooves are formed in the rear ends of the convex blocks, arch wire grooves are symmetrically formed in the mounting grooves, positioning plates are arranged in the mounting grooves, and steel wires are arranged between the supporting plates. The rear end face of the protruding block is further sleeved with a silica gel sleeve, a fixed inserting plate is arranged at the bottom of the positioning plate, a movable inserting plate is arranged in the movable groove, and springs are symmetrically arranged at the bottom of the movable inserting plate. According to the printing customized lingual orthodontic bracket based on the DLP mode, the convex block is arranged to be combined and connected with the supporting plate, the supporting plate is matched with the two arch wire grooves and is combined and connected with the double-layer steel wire under the matching of the arch wire grooves, so that rapid combined installation matching is realized, the fixed insertion plate is in insertion fit with the insertion groove below, and the movable insertion plate is inserted into the insertion groove below under the matching of the spring; and the positioning plate is matched with the mounting groove in a plugging manner, so that the damage influence of the edge of the convex block on the inner wall of the oral cavity is reduced under the matching of the silicon rubber case.

Description

Technical Field

[0001] The present invention relates to the technical field of lingual orthodontic brackets, and in particular to a printed customized lingual orthodontic bracket based on a DLP mode. Background Art

[0002] Lingual orthodontics is to bond the bracket's mesh base to the lingual side of the tooth after it contacts the enamel adhesive. The core of bracket correction is that the correction archwire applies various types of correction forces to the teeth through the bracket, so the bonding effect of the bracket is crucial in the orthodontic treatment process; the DLP mode is digital light processing, which projects the light and realizes customized production through corresponding 3D printing customization; The invention with the announcement number CN117137657A discloses an anti-scratch lingual self-ligating orthodontic bracket, comprising a slot body, a base and a slot cover, the slot body comprising a bottom plate and two bracket wings, a slot is formed at the upper end of the bracket wing, the two sides of the slot are respectively ligature wing 1 and ligature wing 2, a convex wing is formed on the side of the ligature wing 2 away from the slot, the slot cover comprises an arc-shaped slot, a positioning slot 1 is provided at the bottom of the arc-shaped slot, a fixing part 1 and a fixing part 2 are formed on both sides of the positioning slot 1, a positioning edge matched with the convex wing is provided on one side of the slot cover, and the positioning edge and the convex wing embrace to form a positioning slot 2 with a gap; The above technical solution adopts a double archwire structure, which can better regulate the twisted teeth than a single wire, can control the tooth torque, and has a gentler force value, which can reduce root absorption, while reducing the friction of the archwire and improving the patient's wearing comfort; however, the lingual orthodontic bracket is not convenient for rapid combination and installation with the steel wire, and the lingual orthodontic bracket is not convenient for flexible fixation at any position on the steel wire, and the lingual orthodontic bracket is not convenient for close fit with the teeth, and cannot be stably installed in the patient's oral cavity to reduce the damage to the inner wall of the oral cavity. Summary of the invention

[0003] The object of the present invention is to provide a DLP-based printed customized lingual orthodontic bracket to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A DLP-mode-based customized lingual orthodontic bracket comprises a plurality of trays that are easy to disassemble, a protrusion is provided at the rear end of the tray, a mounting groove is provided at the rear end of the protrusion, an archwire groove is symmetrically provided in the mounting groove, a positioning plate is provided in the mounting groove, steel wires are provided between the trays, a connecting plate is provided on the front end surface of each tray, a silicone sleeve is also provided on the rear end surface of the protrusion, a half groove is provided on the front end surface of the positioning plate corresponding to the archwire groove, a fixed plug plate is provided at the bottom of the positioning plate, a movable groove is provided at the top of the positioning plate, a movable plug plate is provided in the movable groove, a spring is symmetrically provided at the bottom of the movable plug plate, a clamping plate is provided on the front end surface of the movable plug plate, a sliding groove is provided on the front end surface of the positioning plate corresponding to the clamping plate, and slots are symmetrically provided at the upper and lower ends of the inner wall of the mounting groove.

[0005] Preferably, convex balls are provided on the inner wall of the silicone sleeve near the four corners, and spherical grooves are provided at the upper and lower end surfaces of the convex block at positions corresponding to the convex balls.

[0006] In the present invention, the silicone sleeve cooperates with the convex ball and is snap-fitted with the spherical groove to achieve a tight plug-in fit between the silicone sleeve and the convex block, thereby achieving protection for the rear end face of the convex block and reducing the damage to the inner wall of the oral cavity caused by the rear end face of the convex block.

[0007] Preferably, arc-shaped grooves are provided on the silicone sleeve at positions corresponding to the archwire grooves, and clamping blocks are provided at the arc-shaped grooves.

[0008] In the present invention, the cooperation of the arc groove helps to fit with the archwire slot to form a cylindrical shape, which is convenient for the insertion and movement of the wire. With the cooperation of the clamping block, the remaining space of the archwire slot is blocked to reduce the impact of food in the oral cavity entering the interior and causing food residues to affect the overall use.

[0009] Preferably, a groove is provided on the inner side surface of the silicone sleeve at a position corresponding to the card plate.

[0010] In the present invention, the cooperation of the groove helps the card plate to be lifted and plugged in, increases the tightness of the silicone sleeve and the protrusion, and thus increases the overall aesthetics.

[0011] Preferably, the steel wire is in an arc shape and has a double-layer structure, the ends of the steel wire are provided with connecting rods, and the ends of the connecting rods are provided with sleeves.

[0012] In the present invention, the double-layer steel wire structure increases the stability of the overall structure, and with the cooperation of the sleeve, it helps to fit tightly with the posterior alveolar socket, thereby increasing the stability of the overall installation.

[0013] Preferably, the sleeves are provided with slots, the side walls of the sleeves are fixed to the connecting rods by welding, and the connecting rods are fixed to the steel wires by welding.

[0014] In the present invention, the cooperation of the clamping groove helps the teeth to pass through, and the stability of the sleeve installation is increased. With the cooperation of the connecting rod, the sleeve and the steel wire can be stably combined and connected for use.

[0015] Preferably, the connecting plate is in the shape of an arc plate, the connecting plate is bonded and fixed to the supporting plate, and the supporting plate is bonded and fixed to the protrusion.

[0016] In the present invention, with the cooperation of the connecting plate, glue corresponding to the bonding with the teeth is applied on the front end surface of the connecting plate to achieve corresponding bonding cooperation between the connecting plate and the teeth, thereby achieving fixed cooperation with the teeth and achieving tooth correction cooperation. The connecting plate and the support plate are combined and connected, which helps the steel wire to be plugged in with the cooperation of the protrusion.

[0017] Preferably, the inner diameter of the archwire slot is adapted to the outer diameter of the single rod of the steel wire, the steel wire is slidably matched with the archwire slot, a countersunk hole connected to the mounting slot is provided on the top of the protrusion, a screw hole is provided at the bottom of the countersunk hole, and a fixing bolt is provided in the screw hole.

[0018] In the present invention, the two archwire slots are respectively plugged into the corresponding steel wires, and with the cooperation of the fixing bolt, the fixing bolt penetrates the screw hole, and the end of the fixing bolt fits tightly with the steel wire, fixing the position of the protrusion on the steel wire under the action of friction.

[0019] Preferably, the width of the outer wall of the positioning plate is matched with the width of the inner wall of the installation groove, the fixed plug plate and the positioning plate are an integrally formed structure, the width of the outer wall of the fixed plug plate is matched with the width of the inner wall of the slot, the width of the outer wall of the movable plug plate is matched with the width of the inner wall of the movable groove, one end of the spring is bonded and fixed to the bottom of the movable plug plate, the other end of the spring is bonded and fixed to the bottom of the movable groove, the clamping plate is welded and fixed to the movable plug plate, and the clamping plate is slidably connected to the slide groove.

[0020] In the present invention, the positioning plate is plugged into and matched with the installation slot, and the bottom of the fixed plug plate is plugged into and matched with the slot. The movable plug plate can move up and down in the movable slot with the cooperation of the spring, and the top of the movable plug plate is plugged into and matched with the slot above, so that the positioning plate and the protrusion are tightly plugged and installed. With the cooperation of the clamping plate, it is helpful to manually press and fit the movable plug plate. The clamping plate moves down, the movable plug plate descends, and the spring contracts, so that the movable plug plate can be separated and matched with the slot above.

[0021] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is connected with a support plate by arranging a projection, and two archwire slots are matched on the support plate, which is connected with the double-layer steel wire in combination with the archwire slot to achieve rapid combined installation. The fixed plug plate is plugged into the slot below, and the movable plug plate is plugged into the slot above with the cooperation of the spring. The positioning plate blocks the installation slot to achieve rapid combined installation with the steel wire. With the cooperation of the silicone sleeve, the rear end face of the projection is protected to reduce the damage to the inner wall of the oral cavity at the edge of the projection.

[0022] 2. The present invention provides a sleeve with a slot, and realizes combined connection with the steel wire with the cooperation of the connecting rod. The sleeve is plugged into the posterior alveolar socket, and the corresponding tooth passes through the slot, so that the steel wire and the inner side of the tooth are closely fitted, and the support plate and the tooth are closely fitted. With the cooperation of the fixing bolt, the support plate is fixed to the steel wire through friction, so that the support plate can be fixed at any position on the steel wire, thereby increasing the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall use state structure of the present invention; Figure 3 It is a schematic diagram of the steel wire and sleeve combined structure of the present invention; Figure 4 This is a schematic diagram of the combined structure of the support plate and the silicone sleeve of the present invention; Figure 5 It is a schematic diagram of the combined structure of the support plate and the positioning plate of the present invention; Figure 6 It is a schematic diagram of the support plate frame structure of the present invention; Figure 7 It is a schematic diagram of the positioning plate structure of the present invention.

[0024] The meaning of each number in the figure is: 1. Support plate; 10. Bump; 100. Countersunk hole; 101. Screw hole; 102. Fixing bolt; 103. Spherical groove; 11. Connecting plate; 12. Positioning plate; 120. Half groove; 121. Fixed plug plate; 122. Movable groove; 123. Sliding groove; 124. Movable plug plate; 1240. Spring; 1241. Card; 13. Mounting groove; 130. Archwire groove; 131. Slot; 2. Silicone sleeve; 20. Protruding ball; 21. Arc groove; 22. Block; 23. Groove; 3. Steel wire; 30. Connecting rod; 31. Sleeve; 310. Slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 7 , this embodiment provides a technical solution: A DLP-mode-based printed customized lingual orthodontic bracket comprises a plurality of trays 1 that are easy to disassemble, a protrusion 10 is provided at the rear end of the tray 1, a mounting groove 13 is provided at the rear end of the protrusion 10, an archwire groove 130 is symmetrically provided in the mounting groove 13, the inner diameter of the archwire groove 130 is matched with the single-rod outer diameter of the steel wire 3, the steel wire 3 is slidably matched with the archwire groove 130, a countersunk hole 100 connected to the mounting groove 13 is provided at the top of the protrusion 10, a screw hole 101 is provided at the bottom of the countersunk hole 100, and a fixing bolt 102 is provided in the screw hole 101.

[0027] In the present invention, the two archwire slots 130 are respectively plugged into the corresponding steel wires 3, and with the cooperation of the fixing bolt 102, the fixing bolt 102 penetrates the screw hole 101, and the end of the fixing bolt 102 fits tightly with the steel wire 3, fixing the position of the protrusion 10 on the steel wire 3 under the action of friction.

[0028] Furthermore, a positioning plate 12 is provided in the mounting groove 13, and a steel wire 3 is provided between the support plates 1. The steel wire 3 is arc-shaped and has a double-layer structure. A connecting rod 30 is provided at the end of the steel wire 3, and a sleeve 31 is provided at the end of the connecting rod 30.

[0029] In the present invention, the double-layer steel wire 3 structure increases the stability of the overall structure, and with the cooperation of the sleeve 31, it helps to fit tightly with the posterior alveolar socket, thereby increasing the stability of the overall installation.

[0030] Specifically, a clamping groove 310 is provided on the sleeve 31 , the side wall of the sleeve 31 is fixed to the connecting rod 30 by welding, and the connecting rod 30 is fixed to the steel wire 3 by welding.

[0031] In the present invention, the cooperation of the card slot 310 helps the teeth to pass through, increases the stability of the installation of the sleeve 31, and with the cooperation of the connecting rod 30, the sleeve 31 and the steel wire 3 are stably combined and connected for use.

[0032] It should be noted that a connecting plate 11 is provided on the front end surface of the support plate 1 . The connecting plate 11 is in the shape of an arc plate. The connecting plate 11 is bonded and fixed to the support plate 1 , and the support plate 1 is bonded and fixed to the protrusion 10 .

[0033] In the present invention, with the cooperation of the connecting plate 11, glue corresponding to the bonding with the teeth is applied on the front end surface of the connecting plate 11, so that the connecting plate 11 and the teeth can be bonded and matched accordingly, thereby achieving fixed fit with the teeth and achieving tooth correction. The connecting plate 11 is combined and connected with the support plate 1, and the cooperation of the protrusion 10 helps the steel wire 3 to be plugged in.

[0034] Furthermore, a silicone sleeve 2 is sleeved on the rear end surface of the protrusion 10 , and convex balls 20 are provided on the inner wall of the silicone sleeve 2 near the four corners, and spherical grooves 103 are provided at the upper and lower end surfaces of the protrusion 10 corresponding to the convex balls 20 .

[0035] In the present invention, the silicone sleeve 2 cooperates with the convex ball 20 and is snap-fitted with the spherical groove 103, so that the silicone sleeve 2 and the protrusion 10 are tightly plugged together, thereby protecting the rear end face of the protrusion 10 and reducing the damage to the inner wall of the oral cavity caused by the rear end face of the protrusion 10.

[0036] Secondly, arc-shaped grooves 21 are formed on the silicone sleeve 2 at locations corresponding to the archwire grooves 130 , and clamping blocks 22 are provided at the arc-shaped grooves 21 .

[0037] In the present invention, the arc groove 21 cooperates with the archwire slot 130 to form a cylindrical shape, which is convenient for the insertion and movement of the steel wire 3. With the cooperation of the block 22, the remaining space of the archwire slot 130 is blocked to reduce the impact of food in the oral cavity entering the interior and causing food residues to affect the overall use.

[0038] Furthermore, a groove 23 is formed on the inner side of the silicone sleeve 2 at a position corresponding to the clamping plate 1241 .

[0039] In the present invention, the cooperation of the groove 23 helps the clamping plate 1241 to be lifted and plugged together, thereby increasing the tightness of the fit between the silicone sleeve 2 and the protrusion 10, thereby increasing the overall aesthetics.

[0040] Among them, the support plate 1, the protrusion 10, the connecting plate 11, and the positioning plate 12 are all printed and customized by a 3D printer in DLP mode to increase the stability and tight fit of the structural combination.

[0041] It is worth adding that a half groove 120 is provided on the front end surface of the positioning plate 12 corresponding to the archwire groove 130, a fixed plug plate 121 is provided at the bottom of the positioning plate 12, a movable groove 122 is provided on the top of the positioning plate 12, a movable plug plate 124 is provided in the movable groove 122, a spring 1240 is symmetrically provided at the bottom of the movable plug plate 124, a clamping plate 1241 is provided on the front end surface of the movable plug plate 124, a sliding groove 123 is provided on the front end surface of the positioning plate 12 corresponding to the clamping plate 1241, and slots 131 are symmetrically provided at the upper and lower ends of the inner wall of the mounting groove 13.

[0042] Secondly, the width of the outer wall of the positioning plate 12 is adapted to the width of the inner wall of the mounting groove 13, the fixed plug plate 121 and the positioning plate 12 are an integrally formed structure, the width of the outer wall of the fixed plug plate 121 is adapted to the width of the inner wall of the slot 131, the width of the outer wall of the movable plug plate 124 is adapted to the width of the inner wall of the movable groove 122, one end of the spring 1240 is bonded and fixed to the bottom of the movable plug plate 124, the other end of the spring 1240 is bonded and fixed to the bottom of the movable groove 122, the clamping plate 1241 is welded and fixed to the movable plug plate 124, and the clamping plate 1241 is slidably connected to the slide groove 123.

[0043] In the present invention, the positioning plate 12 is plugged into and matched with the installation groove 13, and the bottom of the fixed plug plate 121 is plugged into and matched with the slot 131. The movable plug plate 124 is moved up and down in the movable slot 122 with the cooperation of the spring 1240. The top of the movable plug plate 124 is plugged into and matched with the upper slot 131, so that the positioning plate 12 and the protrusion 10 are tightly plugged and installed. With the cooperation of the clamping plate 1241, it is helpful to manually press and fit the movable plug plate 124. The clamping plate 1241 moves down, the movable plug plate 124 drops, and the spring 1240 contracts, so that the movable plug plate 124 is separated and matched with the upper slot 131.

[0044] When using the DLP-mode-based customized lingual orthodontic bracket of this embodiment, the user first prints and customizes the support plate 1, the protrusion 10, the connecting plate 11, and the positioning plate 12 through a 3D printer in DLP mode, and then glues and fixes one end of the two springs 1240 to the bottom of the movable plug plate 124, and the other end to the bottom of the movable groove 122, and the clamping plate 1241 slides in the slide groove 123, and then the archwire groove 130 on the protrusion 10 is correspondingly plugged and matched with the steel wire 3, and then the positioning plate 12 is plugged and matched with the installation groove 13, and the positioning plate 12 is combined and fixed with the protrusion 10 under the cooperation of the fixed plug plate 121 and the movable plug plate 124, and the multiple support plates 1 are combined and connected with the steel wire 3 in turn under the cooperation of the multiple protrusions 10, and then the sleeve 31 with the clamping groove 310 is combined and fixed with the steel wire 3 through the connecting rod 30; When the lingual orthodontic bracket is required to be matched, the sleeve 31 is plugged into the posterior alveolar socket, and the corresponding teeth in the posterior alveolar socket are engaged with the clamping groove 310 to increase the stability of the fit between the steel wire 3 and the teeth in the user's mouth. The protrusion 10 is movably matched on the steel wire 3. Different patients wear it and adjust the position of the protrusion 10 on the steel wire 3. With the cooperation of the fixing bolt 102, the fixing bolt 102 passes through the screw hole 101, and the end contacts the outer wall of the steel wire 3. Under the action of friction, the position of the protrusion 10 is fixed; Then the silicone sleeve 2 is plugged into and matched with the spherical groove 103 on the protrusion 10 through the convex ball 20 to achieve protective cooperation between the silicone sleeve 2 and the rear end face of the protrusion 10, and the groove 23 is plugged into and matched with the clamping plate 1241 to increase the tightness of the silicone sleeve 2 and the protrusion 10. Finally, with the cooperation of the connecting plate 11, it is fitted with the corresponding inner side of the tooth, and bonded with the tooth through the corresponding solution to achieve tooth correction. With the cooperation of the silicone sleeve 2, the damage to the inner wall of the oral cavity is reduced. The overall combination is easy to install and remove and disassemble. It is also easy to adjust and match for different patients with different tooth positions, which is helpful for the corresponding tongue side lifting cooperation.

Claims

1. A DLP-based printing customized lingual orthodontic bracket, comprising a plurality of easily detachable support plates (1), wherein a protrusion (10) is provided at the rear end of the support plate (1), a mounting groove (13) is provided at the rear end of the protrusion (10), an archwire groove (130) is symmetrically provided in the mounting groove (13), a positioning plate (12) is provided in the mounting groove (13), and a steel wire (3) is provided between the support plates (1), characterized in that: A connecting plate (11) is provided on the front end surface of the support plate (1), a silicone sleeve (2) is also sleeved on the rear end surface of the protrusion (10), a half groove (120) is provided on the front end surface of the positioning plate (12) at a position corresponding to the archwire groove (130), a fixed plug plate (121) is provided on the bottom of the positioning plate (12), a movable groove (122) is provided on the top of the positioning plate (12), a movable plug plate (124) is provided in the movable groove (122), a spring (1240) is symmetrically provided at the bottom of the movable plug plate (124), a clamping plate (1241) is provided on the front end surface of the movable plug plate (124), a sliding groove (123) is provided on the front end surface of the positioning plate (12) at a position corresponding to the clamping plate (1241), and slots (131) are symmetrically provided at the upper and lower ends of the inner wall of the mounting groove (13).

2. The DLP-based customized lingual orthodontic bracket according to claim 1, characterized in that: The inner wall of the silicone sleeve (2) is provided with convex balls (20) near the four corners, and the upper and lower end surfaces of the convex block (10) are provided with spherical grooves (103) at positions corresponding to the convex balls (20).

3. The DLP-based printed customized lingual orthodontic bracket according to claim 2, characterized in that: The silicone sleeve (2) is provided with an arc-shaped groove (21) at a position corresponding to the archwire groove (130), and a clamping block (22) is provided at the arc-shaped groove (21).

4. The DLP-based printed customized lingual orthodontic bracket according to claim 3, characterized in that: A groove (23) is provided on the inner side surface of the silicone sleeve (2) at a position corresponding to the clamping plate (1241).

5. The DLP-based printed customized lingual orthodontic bracket according to claim 1, characterized in that: The steel wire (3) is in an arc shape and has a double-layer structure. The ends of the steel wire (3) are provided with connecting rods (30), and the ends of the connecting rods (30) are provided with sleeves (31).

6. The DLP-based printed customized lingual orthodontic bracket according to claim 5, characterized in that: The sleeves (31) are provided with a clamping groove (310), the side wall of the sleeve (31) is fixedly welded to the connecting rod (30), and the connecting rod (30) is fixedly welded to the steel wire (3).

7. The DLP-based printed customized lingual orthodontic bracket according to claim 1, characterized in that: The connecting plate (11) is in the shape of an arc plate, the connecting plate (11) is bonded and fixed to the support plate (1), and the support plate (1) is bonded and fixed to the protrusion (10).

8. The DLP-based printed customized lingual orthodontic bracket according to claim 1, characterized in that: The inner diameter of the archwire slot (130) is matched with the outer diameter of the single rod of the steel wire (3); the steel wire (3) and the archwire slot (130) are slidably matched; a countersunk hole (100) communicating with the mounting slot (13) is formed at the top of the protrusion (10); a screw hole (101) is formed at the bottom of the countersunk hole (100); and a fixing bolt (102) is provided in the screw hole (101).

9. The DLP-based printed customized lingual orthodontic bracket according to claim 1, characterized in that: The width of the outer wall of the positioning plate (12) matches the width of the inner wall of the installation groove (13); the fixed plug plate (121) and the positioning plate (12) are an integrally formed structure; the width of the outer wall of the fixed plug plate (121) matches the width of the inner wall of the slot (131); the width of the outer wall of the movable plug plate (124) matches the width of the inner wall of the movable groove (122); one end of the spring (1240) is bonded and fixed to the bottom of the movable plug plate (124); the other end of the spring (1240) is bonded and fixed to the bottom of the movable groove (122); the clamping plate (1241) is welded and fixed to the movable plug plate (124); and the clamping plate (1241) is slidably connected to the slide groove (123).

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