Anterior tooth twisting correction device

Abstract

The utility model discloses an anterior tooth twisting correction device, which belongs to the technical field of orthodontic equipment and comprises a main body arch wire, a first traction component and a second traction component, the main body arch wire is arranged in a bracket adhered to the outer side of a tooth, the first traction component is fixed on the side surface of a twisted anterior tooth and deviates from the middle of the main body arch wire, and the second traction component is fixed on the side surface of the twisted anterior tooth. The force application part of the first traction assembly is connected with the twisted anterior teeth; the second traction assembly is arranged on the inner side of the twisted anterior teeth and used for connecting the twisted anterior teeth and the adjacent anterior teeth. The first traction assembly is matched with the main body arch wire to perform traction correction on the twisted anterior teeth; the second traction assembly is assembled in advance and then installed on the inner side of the tooth to conduct auxiliary traction correction on the twisted anterior tooth. By adopting the orthodontic device, the time for a patient to wear the orthodontic device beside a chair and the time for opening the mouth can be reduced, so that the discomfort of a temporomandibular joint area is reduced, the wearing foreign body sensation is reduced, and the comfort level is better; meanwhile, the operation time beside a chair is shortened for a doctor, and wearing is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model belongs to orthodontic equipment technical field, and particularly relates to a front tooth torsion correction device. BACKGROUND

[0002] Front tooth torsion is a common malocclusion in adolescents, which can affect mandibular development or cause occlusal trauma, and even cause tooth loosening and falling out. Clinicians generally believe that patients with front tooth torsion need early intervention to prevent malocclusion or periodontal damage.

[0003] The application number CN112245043A "A 90-degree front tooth torsion corrector and its preparation method" and the application number CN215130516U "A movable corrector suitable for front tooth torsion in the mixed dentition period" provide two movable correctors suitable for front tooth torsion, and the application number CN206621431U "A fixed device for correcting individual front tooth inversion or torsion" provides a fixed device for correcting individual front tooth inversion. However, the above-mentioned correction devices all need to be made into tooth models and then personalized in the oral technician room or processing factory, which results in a long waiting time for the patient and a long chair-side operation time for the doctor.

[0004] To solve the above problems, the utility model provides a novel front tooth torsion correction device to correct the front tooth torsion of the patient, which is simple to make and easy to install, and reduces the operation time of the doctor and the waiting time of the patient. Utility model content

[0005] To solve the above problems, the utility model provides a front tooth torsion correction device.

[0006] To achieve the above-mentioned purposes, the utility model adopts the following technical scheme:

[0007] A front tooth torsion correction device, comprising a main arch wire, a first traction assembly and a second traction assembly, the main arch wire is arranged in a plurality of brackets bonded to the outside of the teeth, the first traction assembly is fixed to the side of the front tooth and is arranged away from the midpoint of the main arch wire, and the force applying part of the first traction assembly is connected to the front tooth.

[0008] Further, the first traction assembly comprises a boot-shaped arch wire, a traction hook and an elastic line, the boot-shaped arch wire is L-shaped and is arranged towards the gum direction, one end of the boot-shaped arch wire is connected to the main arch wire, and the other end is connected to the traction hook through the elastic line, the traction hook is fixed to the outside of the front tooth and is arranged close to the gum direction.

[0009] Further, the boot-shaped arch wire comprises a fixed part and a connecting part, one end of the fixed part is connected with the main arch wire, the other end is connected with the connecting part, and the connecting part is connected with the elastic wire.

[0010] Further, the connecting part is an elliptical closed loop structure.

[0011] Further, the main arch wire and the boot-shaped arch wire are integrally formed.

[0012] Further, the main arch wire and the boot-shaped arch wire are made of stainless steel arch wires or nickel-titanium alloy wires, and the cross-sectional size of the stainless steel arch wires or the nickel-titanium alloy wires is that the width is 0.016-0.019 inches and the length is 0.022-0.025 inches.

[0013] Further, the height of the boot-shaped arch wire is 7 mm, the length of the connecting part is 3 mm, and the distance between the connecting part of the boot-shaped arch wire and the main arch wire is 10-24 mm.

[0014] Further, the second traction assembly comprises an elastic wire and two lingual side buckles, the two lingual side buckles are respectively bonded to the inner sides of the twisted anterior teeth and adjacent anterior teeth, and the elastic wire is used for connecting the two lingual side buckles.

[0015] Further, the protruding middle part of the lingual side buckle is provided with a perforation for the elastic wire to pass through, and the distance between the two lingual side buckles is 1-6 mm.

[0016] Further, the elastic wire is selected from a rubber band or an orthodontic elastic wire.

[0017] Compared with the prior art, the technical progress achieved by the utility model lies in that:

[0018] The device is installed with the main arch wire in the plurality of brackets on the outside of the teeth, and the twisted anterior teeth are traction-corrected by the cooperation of the first traction assembly and the main arch wire; the second traction assembly is pre-assembled and then installed on the inside of the teeth to assist in traction correction of the twisted anterior teeth. The utility model is used to correct the twisted anterior teeth, and is more convenient and fast to wear, can reduce the time of chair-side operation of doctors, simultaneously reduces the time of chair-side wearing of the correction device of patients and the time of opening the mouth, and further reduces the discomfort of the temporomandibular joint area, and reduces the foreign body sensation of the patients wearing the correction device, and improves the comfort of the patients wearing. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model.

[0020] In the drawings:

[0021] Figure 1 A wearing state schematic view of the anterior tooth torsion correction device is provided in the embodiment of the utility model;

[0022] Figure 2 A schematic view of the tooth occlusal surface after wearing is provided in the utility model;

[0023] Figure 3 A connection schematic view of the main arch wire and the boot-shaped arch wire in the embodiment of the utility model;

[0024] Figure 4 An assembly schematic view of the second traction assembly in the embodiment of the utility model.

[0025] In the drawing:

[0026] 01- anterior tooth in torsion; 1- main arch wire, 10- bracket; 2- first traction assembly, 21- boot-shaped arch wire, 210- fixed part, 211- connecting part; 22- traction hook; 3- second traction assembly, 30- lingual buckle; 4- elastic wire. DETAILED DESCRIPTION

[0027] The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described in some embodiments. The embodiments of the utility model will be described below with reference to the drawings.

[0028] As shown in Figure 1 , Figure 2 The utility model embodiment provides a kind of anterior tooth torsion correction device, including main arch wire 1, first traction assembly 2 and second traction assembly 3, the main arch wire 1 is set in the several brackets 10 bonded on the outside of tooth, the first traction assembly 2 is fixed on the side of anterior tooth in torsion 01, and it is deviated from the midpoint of main arch wire 1 setting, the force part of first traction assembly 2 is connected with anterior tooth in torsion 01;Second traction assembly 3 is set to the inside of anterior tooth in torsion 01, for connecting anterior tooth in torsion 01 and its adjacent anterior tooth, auxiliary traction anterior tooth in torsion reset. Among them, the number of first traction assembly can be determined according to actual situation, it is set in the midpoint left side and / or right side position of main arch wire. Anterior tooth is tractioned and corrected using the cooperation of first traction assembly and main arch wire;Second traction assembly is pre-assembled, and then installed in the inside of tooth to assist traction anterior tooth in torsion. The utility model is convenient and fast to wear, can reduce the time of doctor chair operation and the mouth opening time of patient, to reduce the discomfort of temporomandibular joint area, improve the correction efficiency.

[0029] In the specific embodiment of the utility model, as Figure 1 , 2As shown, the first traction assembly 2 comprises a boot-shaped arch wire 21, a traction hook 22 and an elastic line 4, the boot-shaped arch wire 21 is L-shaped and is arranged towards the gum direction, one end of the boot-shaped arch wire 21 is connected with the main arch wire 1, the other end is connected with the traction hook 22 through the elastic line 4, the traction hook 22 is fixed on the outer side of the twisted anterior teeth 01 and is arranged close to the gum direction. Among them, the connecting part of the boot-shaped arch wire is towards the midpoint of the main arch wire, and can be selected to be located on the left side and / or the right side of the midpoint of the main arch wire according to the specific correction situation. The traction hook which is bonded with the tooth surface of the twisted tooth is connected through the elastic line, and the elastic line is used for traction correction of the twisted tooth.

[0030] As a preferred structure, as shown in the drawings, Figure 3 As shown, the boot-shaped arch wire 21 comprises a fixed part 210 and a connecting part 211, one end of the fixed part 210 is connected with the main arch wire 1, the other end is connected with the connecting part 211, and the connecting part 211 is connected with the elastic line 4. Among them, the connecting part 211 is an elliptical closed loop structure. When installing, the boot-shaped arch wire is not placed in the slot of the bracket, in the up-down direction, the fixed part of the boot-shaped arch wire is arranged in the gum direction of the main arch wire; in the left-right direction, the connecting part of the boot-shaped arch wire is towards the midpoint of the main arch wire.

[0031] In specific production, the main arch wire 1 and the boot-shaped arch wire 21 are integrally produced and formed. The main arch wire 1 and the boot-shaped arch wire 21 are integrally bent by using a stainless steel arch wire or a nickel-titanium alloy wire, and the cross-sectional size of the stainless steel arch wire or the nickel-titanium alloy wire is that the width is 0.016-0.019 inch and the length is 0.022-0.025 inch. In specific design, the following sizes are preferred: 0.019*0.025 inch, 0.018*0.025 inch, 0.017*0.025 inch, 0.017*0.022 inch or 0.016*0.022 inch. In application, the main arch wire adopts a standard arch shape which is left-right symmetrical.

[0032] Meanwhile, the height of the boot-shaped arch wire 21 is 7mm, the length of the connecting part 211 is 3mm, and the distance between the connecting part 211 of the boot-shaped arch wire 21 and the main arch wire 1 is 10-24mm. In specific production, the following sizes can be selected: 10mm, 12mm, 14mm, 20mm, 22mm or 24mm, which correspond to the distance between the upper front teeth of each size in the clinic.

[0033] In the specific embodiment of the utility model, as shown in the drawings, Figure 2 , 4As shown, the second traction assembly 3 includes elastic line 4 and two lingual buttons 30, two lingual buttons 30 are bonded on the twisted anterior teeth 01 and the adjacent anterior teeth inner side respectively, the elastic line 4 is used to connect two lingual buttons 30. In use, the elastic line can be used to connect two pre-connected lingual buttons, so as to reduce the mouth opening time of the patient, reduce the discomfort of the patient's temporomandibular joint area, and also can reduce the time of the oral doctor's clinical chair operation, improve the work efficiency of the doctor.

[0034] Specifically, as shown in the drawings, Figure 4 The protruding middle part of the lingual button 30 is provided with a through hole for the elastic line 4 to pass through, and the distance between the two lingual buttons 30 is 1-6mm. In specific production, the following sizes can be selected: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, to meet the needs of different distances between two teeth in clinical practice. Among them, the elastic line is a jointless ring structure, which is connected to the through holes of the two lingual buttons by its elasticity.

[0035] Among them, the elastic line 4 can be selected from rubber bands or orthodontic elastic lines.

[0036] The specific application process of the utility model is as follows:

[0037] The bracket is pre-installed on the outside of the tooth, the main arch wire is placed in the slot of the bracket, the boot-shaped arch wire is not placed in the slot of the bracket, and the boot-shaped arch wire is placed in the gingival direction of the main arch wire, and the boot-shaped arch wire is directed to the midpoint of the main arch wire; the elastic line is connected with the traction hook of the lingual button bonded on the tooth surface of the twisted tooth, and the twisted tooth is forced to correct; then, the two lingual buttons connected by the elastic line are bonded on the inner side of the twisted tooth.

[0038] In summary, the utility model has the advantages of simple and compact structure, convenient and fast wearing, wearing the utility model reduces the mouth opening time of the patient, reduces the discomfort of the patient's temporomandibular joint area; at the same time, it reduces the time of the doctor's chair operation, saves the time of the patient wearing the appliance; the utility model is placed in the patient's oral cavity, which can reduce the foreign body sensation of the patient wearing the active appliance and improve the comfort of the patient.

[0039] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An orthodontic appliance for correcting anterior tooth rotation, characterized in that: The device includes a main archwire, a first traction assembly, and a second traction assembly. The main archwire is disposed in several brackets bonded to the outside of the teeth. The first traction assembly is fixed to the side of the twisted anterior tooth and is disposed off the midpoint of the main archwire. The force-applying part of the first traction assembly is connected to the twisted anterior tooth. The second traction assembly is disposed on the inside of the twisted anterior tooth and is used to connect the twisted anterior tooth and its adjacent anterior teeth. The first traction assembly includes a boot-shaped archwire, a traction hook, and an elastic cord. The boot-shaped archwire is L-shaped and is positioned towards the gum line. One end of the boot-shaped archwire is connected to the main archwire, and the other end is connected to the traction hook via the elastic cord. The traction hook is fixed to the outer surface of the rotated anterior tooth and is positioned close to the gum line. The boot-shaped bowwire includes a fixing part and a connecting part. One end of the fixing part is connected to the main bowwire and the other end is connected to the connecting part. The connecting part is connected to the elastic wire. The second traction assembly includes an elastic cord and two lingual clips. The two lingual clips are respectively bonded to the inner surfaces of the rotated anterior teeth and their adjacent anterior teeth. The elastic cord is used to connect the two lingual clips.

2. The orthodontic appliance for correcting anterior tooth rotation according to claim 1, characterized in that: The connecting part is an elliptical closed-loop structure.

3. The anterior tooth rotation correction device according to claim 1, characterized in that: The main bowwire and the boot-shaped bowwire are manufactured as a single piece.

4. The anterior tooth rotation correction device according to claim 3, characterized in that: The main bowwire and the boot-shaped bowwire are made of stainless steel bowwire or nickel-titanium alloy wire. The cross-sectional dimensions of the stainless steel bowwire or nickel-titanium alloy wire are: width of 0.016-0.019 inches and length of 0.022-0.025 inches.

5. The anterior tooth rotation correction device according to claim 4, characterized in that: The height of the boot-shaped bowwire is 7mm, and the length of the connecting part is 3mm; the distance between the connecting part of the boot-shaped bowwire and the main bowwire is 10-24mm.

6. The anterior tooth rotation correction device according to claim 1, characterized in that: The tongue-side buckle has a perforation in the center of the protrusion for the elastic cord to pass through, and the distance between the two tongue-side buckles is 1-6mm.

7. The anterior tooth rotation correction device according to claim 1, characterized in that: The elastic cord can be made of rubber band or orthodontic elastic cord.

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