Correcting appliance for controlling three-dimensional position of anterior tooth
By designing a remedy device including brackets, buccal tubes and auxiliary bow plywood, the structure of auxiliary bow plywood and the core is used to realize flexible three-dimensional position control of the front teeth, solving the problems of cumbersome operation and inflexible adjustment in the prior art.
Patent Information
- Application Number
- CN202510419802.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2025-05-23
AI Technical Summary
When controlling the three-dimensional position of the front teeth, it is difficult to flexibly adjust the torque and the near-distance and medium inclination, and the operation is complicated.
A remedy device including a bracket, a buccal tube and a secondary arch splint was designed. Through the connection between the main arch wire and the secondary arch wire, the auxiliary arch groove on the auxiliary arch splint and the rotary core in the auxiliary arch pipe are used to achieve three-dimensional position control of the anterior teeth.
The flexible torque and near-distance and mid-directional inclination of the front teeth are realized, and the correction operation is simplified, and the displacement of the support teeth and the frequent disassembly of the correction device are avoided.
Smart Images
Figure CN120022094A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an appliance for controlling the three-dimensional position of front teeth, belonging to the technical field of orthodontic correction. Background Art
[0002] In orthodontic clinics, in order to obtain ideal treatment effects, it is necessary to accurately control the three-dimensional position of the anterior teeth, and it is necessary to control the torque of the anterior teeth and the mesiodistal axial inclination.
[0003] At present, there are two methods for applying torque to anterior teeth: 1. Bending stainless steel square wires to directly adjust the torque of anterior teeth. The disadvantage of this method is that the supporting teeth are adjacent teeth, and since the supporting teeth are also single-rooted teeth, it is easy to cause displacement of the supporting teeth after treatment. 2. Using high-torque brackets. This method only requires changing the size of the archwire to achieve a certain effect, but there is only one final position, which is not convenient for flexible adjustment; after applying the torque, if the mesiodistal inclination of the anterior teeth needs to be adjusted, the brackets need to be re-bonded for improvement, and the clinical operation is relatively cumbersome. Summary of the invention
[0004] In order to solve the problems existing in the prior art, the present invention provides an appliance which can conveniently adjust the three-dimensional position of anterior teeth.
[0005] In order to achieve the above-mentioned purpose, the technical solution proposed by the present invention is: an orthodontic appliance for controlling the three-dimensional position of anterior teeth, comprising a bracket arranged on the anterior teeth and a buccal tube arranged on the molars, wherein the bracket and the buccal tube are connected by a main arch wire; characterized in that: the bracket is connected to an auxiliary arch splint, the auxiliary arch splint is provided with an auxiliary arch groove with a labial opening, the buccal tube is provided with a main arch tube and an auxiliary arch tube, the main arch wire is arranged in the main arch tube, the auxiliary arch tube comprises a sleeve and a rotating core arranged in the sleeve and rotatably connected to the sleeve, the rotating core is provided with a square hole arranged along the axial direction, the auxiliary arch groove on the auxiliary arch splint and the auxiliary arch tube are connected by an auxiliary arch wire with a square cross-section, and the auxiliary arch wire is arranged in the square hole on the auxiliary arch tube; When applying torque to the anterior teeth, the auxiliary arch wire is embedded in the corresponding auxiliary arch slot, the rotating core is rotated, and the auxiliary arch wire is driven to twist through the square hole. The side wall of the auxiliary arch wire pushes against the side wall of the auxiliary arch slot, generating a torsional moment on the corresponding bracket, thereby applying torque to the anterior teeth.
[0006] A further design of the above technical solution is as follows: a guide rail is provided on the main bow tube, and the auxiliary bow tube is slidably connected to the guide rail.
[0007] The guide rail is provided with a slide groove, the sleeve is provided with a slider matched with the slide groove, and the auxiliary bow tube is slidably connected to the slide rail through the matching of the slider and the slide groove.
[0008] A limiting mechanism is arranged between the sleeve and the rotating core.
[0009] The limiting mechanism includes a protrusion arranged on the outer wall of the rotating core and a plurality of grooves arranged along the circumference of the inner wall of the sleeve. The protrusion is embedded in the groove to achieve relative fixation of the sleeve and the rotating core in a natural state. When the rotating core is rotated with force, the protrusion slides out of the groove and is embedded in another groove.
[0010] The central angle between two adjacent grooves is 5-10°.
[0011] A flexible clamping block is provided on the inner wall of the opening of the auxiliary arch slot. After the auxiliary arch wire is inserted into the auxiliary arch slot, the flexible clamping block restricts the auxiliary arch wire in the auxiliary arch slot.
[0012] A detachable end cap is provided at the opening of the auxiliary arch slot. After the auxiliary arch wire is inserted into the auxiliary arch slot, the end cap is installed to restrict the auxiliary arch wire in the auxiliary arch slot.
[0013] The bracket is provided with double vertical tubes, the auxiliary bow clamp is provided with a swing rod, the bracket and the auxiliary bow clamp are connected by a connecting piece, one end of the connecting piece is provided with an insertion rod for inserting the double vertical tubes, and the other end is hinged with the swing rod. The connecting piece is provided with a socket whose size is larger than that of the swing rod at one end close to the auxiliary bow splint, the swing rod is inserted into the socket, a strip groove is provided on one side of the swing rod, and the connecting piece is provided with a screw hole corresponding to the strip groove, a bolt is screwed in the screw hole, one end of the bolt extends into the strip groove and can slide relative to the strip groove; the swing rod can swing relative to the socket with the bolt as the hinge axis, and when the bolt is tightened, the end of the bolt presses the swing rod against the inner wall of the socket to limit it.
[0014] The beneficial effects of the present invention are: The present invention arranges an auxiliary arch splint on the bracket and then twists the auxiliary arch wire to generate torque on the front teeth through the auxiliary arch splint. At the same time, since the auxiliary arch splint is provided with an opening, the auxiliary arch wire can be embedded in or removed from the auxiliary arch splint at any time, and it is free to decide whether to apply torque to the teeth. The correction plan can be flexibly formulated without resetting the correction device.
[0015] The present invention also provides a rotating core on the auxiliary arch tube of the molar to facilitate the adjustment of the torsion angle of the auxiliary arch wire, thereby controlling the torque applied to the front teeth. The present invention also provides a slide rail on the double-tube buccal tube so that the auxiliary arch tube can slide relative to the main arch tube. When the patient needs to close the gap, the auxiliary arch tube can slide along the main arch tube as the gap is closed, which can not only achieve the control of the front teeth torque, but also will not hinder the closing of the gap.
[0016] In the present invention, the auxiliary arch splint is hinged to the connecting piece, and the mesiodistal inclination of the auxiliary arch splint can be adjusted, thereby applying a mesiodistal correction force to the teeth and controlling the mesiodistal inclination of the teeth, that is, the axial inclination.
[0017] The present invention can adjust the torque applied to the front teeth and the correction force in the distance and the distance through the structure, thereby realizing three-dimensional control of the front teeth. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the use status of the orthodontic appliance in Example 1; Figure 2 for Figure 1 Side view of the middle double-tube buccal tube; Figure 3 for Figure 1 Side view of the middle auxiliary arch splint; Figure 4 This is a schematic diagram of the use status of the orthodontic appliance of Example 2; Figure 5 for Figure 4 Side view of the middle double-tube buccal tube; Figure 6 for Figure 4 Side view of the middle auxiliary arch splint; Figure 7 This is a schematic diagram of the connecting piece and the auxiliary arch splint in the orthodontic appliance of Example 3; Figure 8 for Figure 7 Half-section of Fig. 9 for Figure 7 Side view of half section; In the figure: 1-bracket, 2-double-tube buccal tube, 21-main arch tube, 22-auxiliary arch tube, 221-sleeve, 222-rotating core, 223-protrusion, 224-groove, 225-operating hole, 23-guide rail, 3-main arch wire, 4-auxiliary arch wire, 5-connector, 51-insertion rod, 52-insertion hole, 53-bolt, 6-auxiliary arch splint, 61-auxiliary arch groove, 62-flexible card block, 63-end cap, 64-swing rod, 641-strip groove, 7-traction hook. DETAILED DESCRIPTION
[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. Embodiment 1
[0020] like Figure 1 As shown, the appliance of this embodiment is used to apply torque force to the front teeth. The appliance includes a bracket 1 arranged on the front teeth and a double-tube buccal tube 2 arranged on the molars. The bracket 1 and the double-tube buccal tube 2 are connected by a main arch wire 3. The torque applied to the front teeth is achieved by an auxiliary arch wire 4. In this embodiment, an auxiliary arch splint 6 is connected to the bracket 1. Figure 3 As shown, the auxiliary arch splint 6 is provided with an auxiliary arch groove 61 with a labial opening, and the double-tube buccal tube 2 is provided with a main arch tube 21 and an auxiliary arch tube 22, wherein the main arch tube 21 is used to set the main arch wire 3, combined with Figure 2As shown, the auxiliary arch tube 22 includes a sleeve 221 and a rotating core 222 arranged in the sleeve 221 and rotatably connected to the sleeve 221, the rotating core 222 is provided with a square hole arranged along the axial direction, the auxiliary arch wire 4 is arranged in the square hole, and is embedded in the auxiliary arch groove 61 of the auxiliary arch splint, so as to connect the auxiliary arch splint 6 and the auxiliary arch tube 22, and the auxiliary arch wire 4 is a nickel-titanium square wire of 0.019*0.025niti.
[0021] In this embodiment, the same bracket 1 and auxiliary arch splint 6 can be set on multiple front teeth. When it is necessary to apply torque to a certain front tooth, the auxiliary arch wire 4 is embedded in the corresponding auxiliary arch slot 61, and the rotating core 222 is rotated to drive the auxiliary arch wire 4 to twist through the square hole. Then, the side wall of the auxiliary arch wire 4 located in the auxiliary arch slot 61 will push against the side wall of the auxiliary arch slot 61 under the action of the twisting torque, and the torque will be transmitted to the corresponding bracket 1, generating a twisting torque on the bracket, thereby applying torque to the front teeth; after the front teeth are corrected in place, it is only necessary to push the auxiliary arch wire out of the opening of the corresponding auxiliary arch slot 61, without removing the main arch wire, and without affecting other correction operations. The auxiliary arch wire 4 can also be embedded in the auxiliary arch slot 61 corresponding to other front teeth, and the torque can be applied to the front teeth using the same method, without frequent disassembly and installation of the correction structure. If multiple front teeth need to be torque controlled at the same time, auxiliary arch splints can be installed on multiple front teeth at the same time.
[0022] Combination Figure 2 As shown, in this embodiment, a limiting mechanism is further provided between the sleeve 221 and the rotating core 222 for fixing the two after they are rotated relative to each other to a certain angle.
[0023] The limiting mechanism includes a protrusion 223 arranged on the outer wall of the rotating core 222 and a plurality of grooves 224 arranged along the circumference of the inner wall of the sleeve. The central angle of two adjacent grooves 224 is 5-10°. In this embodiment, four protrusions are evenly arranged along the circumference of the outer wall of the rotating core 222. The arrangement of the plurality of grooves 224 needs to ensure that the four protrusions can be embedded in the grooves at the same time to achieve the relative fixation of the sleeve and the rotating core in the natural state. When the rotating core 222 is rotated with force, the protrusion 223 slides out of the groove 224 and is embedded in another groove, thereby facilitating the twisting of the auxiliary arch wire 4. At the same time, the twisting angle of the auxiliary arch wire can be controlled to achieve the purpose of controlling the torque of the anterior teeth. An operating hole 225 is also provided at one end of the rotating core 222 to facilitate the insertion of a probe or other tool to rotate the rotating core.
[0024] Combination Figure 3 As shown, a flexible card block 62 is provided on the inner wall of the opening of the auxiliary arch slot 61. When the auxiliary arch wire 4 is inserted, the flexible card block 62 is squeezed to deform it so that the auxiliary arch wire 4 can be inserted into the auxiliary arch slot 61. After insertion, the flexible card block 62 returns to its original shape to restrict the auxiliary arch wire in the auxiliary arch slot and will not slide out easily. Similarly, the auxiliary arch wire 4 can be pushed out of the auxiliary arch slot by simply pushing it with force. Embodiment 2
[0025] The appliance of this embodiment is basically the same as that of the first embodiment. In this embodiment, when applying torque to the front teeth, the gap needs to be closed at the same time. Figure 4 As shown, a guide rail 23 is provided on the main bow tube 21 , and the auxiliary bow tube 22 is slidably connected to the guide rail 23 .
[0026] Specifically, Figure 5 As shown, a slide groove is provided on the guide rail 23, and a slider matched with the slide groove is provided on the sleeve. The auxiliary arch tube 22 is slidably connected to the main arch tube 21 through the cooperation of the slider and the slide groove; when the gap is closed, a traction hook 7 is set on the double-tube buccal tube 2 and the corresponding tooth bracket for traction.
[0027] Since the auxiliary arch wire 4 will generate a large friction force with the square hole after rotating at a large angle, it will seriously hinder the closing of the gap. In order to reduce the influence of excessive friction, the above-mentioned double-tube buccal tube 2 with a sliding track is designed. During the process of anterior teeth retraction, the main arch wire is a round wire with less friction, and the anterior teeth move along the track. After the auxiliary arch wire is applied with force, the static friction between the anterior teeth is large, and the static friction between the auxiliary arch wire and the auxiliary arch tube 22 is also large, that is, the entire anterior teeth and the auxiliary arch tube 22 form a whole. As the gap closes, the tube body of the auxiliary arch tube 22 slides along the slide rail without affecting the closing of the gap.
[0028] Combination Figure 6 As shown, in this embodiment, a detachable end cap 63 is provided at the opening of the auxiliary arch slot 61. After the auxiliary arch wire is inserted into the auxiliary arch slot, the end cap 63 is installed to restrict the auxiliary arch wire in the auxiliary arch slot. The end cap 63 is provided with a groove whose size is slightly smaller than the thickness of the side wall of the opening of the auxiliary arch slot 61. The end cap is made of a flexible material and can be fixed to the auxiliary arch slot 61 by inserting the side wall of the opening of the auxiliary arch slot 61 into the groove; a protrusion can also be provided at the inner side of the groove corresponding to the opening, and a groove is provided at the opening of the auxiliary arch slot 61 corresponding to the protrusion. The protrusion can be inserted into the groove, so that the end cap 63 is fixed to the auxiliary arch slot 61. Embodiment 3
[0029] In this embodiment, the bracket 1 is provided with double vertical tubes, the auxiliary bow clamp plate 6 is provided with a swing rod 64, and the bracket 1 and the auxiliary bow clamp plate 6 are connected by a connecting member 5, such as Figure 7 , 8As described in 9, one end of the connecting member 5 is provided with an insertion rod 51 for inserting the double vertical tube, and the other end is provided with a socket 52 whose size is larger than that of the swing rod 64. The swing rod 64 is inserted into the socket, and a strip groove 641 is provided on one side of the swing rod. The connecting member 5 is provided with a screw hole corresponding to the strip groove 641, and a bolt 53 is screwed in the screw hole. One end of the bolt extends into the strip groove 641 and can slide relative to the strip groove, so that the length of the swing rod 64 extending into the socket 52 can be adjusted, thereby adjusting the vertical position of the auxiliary arch splint 6 relative to the bracket 1; the swing rod 64 can also swing relative to the socket 52 with the bolt 53 as the hinge axis, tighten the bolt, and the end of the bolt presses the swing rod against the inner wall of the socket for limiting, thereby adjusting the mesiodistal inclination of the auxiliary arch splint 6, so that the auxiliary arch wire 4 produces a corrective force on the auxiliary arch splint 6 to correct the axial inclination of the tooth, that is, to control the mesiodistal inclination of the tooth.
[0030] The technical solutions of the present invention are not limited to the above-mentioned embodiments, and any technical solutions obtained by equivalent replacement methods fall within the scope of protection required by the present invention.
Claims
1. An appliance for controlling the three-dimensional position of anterior teeth, comprising a bracket disposed on the anterior teeth and a buccal tube disposed on the molars, wherein the bracket and the buccal tube are connected by a main archwire; characterized in that: The bracket is connected to an auxiliary arch splint, the auxiliary arch splint is provided with an auxiliary arch groove with a labial opening, the buccal tube is provided with a main arch tube and an auxiliary arch tube, the main arch wire is arranged in the main arch tube, the auxiliary arch tube comprises a sleeve and a rotating core arranged in the sleeve and rotatably connected to the sleeve, the rotating core is provided with a square hole arranged along the axial direction, the auxiliary arch splint and the auxiliary arch tube are connected by an auxiliary arch wire with a square cross section, and the auxiliary arch wire is arranged in the square hole on the auxiliary arch tube; When applying torque to the anterior teeth, the auxiliary arch wire is embedded in the corresponding auxiliary arch slot, the rotating core is rotated, and the auxiliary arch wire is driven to twist through the square hole. The side wall of the auxiliary arch wire pushes against the side wall of the auxiliary arch slot, generating a torsional moment on the corresponding bracket, thereby applying torque to the anterior teeth.
2. The appliance for controlling the three-dimensional position of anterior teeth according to claim 1, characterized in that: The main bow tube is provided with a guide rail, and the auxiliary bow tube is slidably connected to the guide rail.
3. The appliance for controlling the three-dimensional position of anterior teeth according to claim 3, characterized in that: The guide rail is provided with a slide groove, the sleeve is provided with a slider matched with the slide groove, and the auxiliary bow tube is slidably connected to the guide rail through the matching of the slider and the slide groove.
4. The appliance for controlling the three-dimensional position of anterior teeth according to claim 4, characterized in that: A limiting mechanism is arranged between the sleeve and the rotating core.
5. The appliance for controlling the three-dimensional position of anterior teeth according to claim 4, characterized in that: The limiting mechanism includes a protrusion arranged on the outer wall of the rotating core and a plurality of grooves arranged along the circumference of the inner wall of the sleeve. The protrusion is embedded in the groove to achieve relative fixation of the sleeve and the rotating core in a natural state. When the rotating core is rotated with force, the protrusion slides out of the groove and is embedded in another groove.
6. The appliance for controlling the three-dimensional position of anterior teeth according to claim 5, characterized in that: The central angle between two adjacent grooves is 5-10°.
7. The appliance for controlling the three-dimensional position of anterior teeth according to claim 6, characterized in that: A flexible clamping block is provided on the inner wall of the opening of the auxiliary arch slot. After the auxiliary arch wire is inserted into the auxiliary arch slot, the flexible clamping block restricts the auxiliary arch wire in the auxiliary arch slot.
8. The appliance for controlling the three-dimensional position of anterior teeth according to claim 6, characterized in that: A detachable end cap is provided at the opening of the auxiliary arch slot. After the auxiliary arch wire is inserted into the auxiliary arch slot, the end cap is installed to restrict the auxiliary arch wire in the auxiliary arch slot.
9. The appliance for controlling the three-dimensional position of anterior teeth according to claim 7 or 8, characterized in that: The bracket is provided with double vertical tubes, the auxiliary bow clamp is provided with a swing rod, the bracket and the auxiliary bow clamp are connected by a connecting piece, one end of the connecting piece is provided with an insertion rod for inserting the double vertical tubes, and the other end is hinged with the swing rod.
10. The appliance for controlling the three-dimensional position of anterior teeth according to claim 9, characterized in that: The connecting piece is provided with a socket whose size is larger than that of the swing rod at one end close to the auxiliary bow splint, the swing rod is inserted into the socket, a strip groove is provided on one side of the swing rod, and the connecting piece is provided with a screw hole corresponding to the strip groove, a bolt is screwed in the screw hole, one end of the bolt extends into the strip groove and can slide relative to the strip groove; the swing rod can swing relative to the socket with the bolt as the hinge axis, and when the bolt is tightened, the end of the bolt presses the swing rod against the inner wall of the socket to limit it.