Tongue inclination prevention arch wire and fixing appliance thereof

Abstract

The utility model discloses an anti-lingual inclination arch wire and a fixed appliance. The anti-lingual inclination arch wire comprises a horizontal section and a vertical section, the horizontal section is in a flat belt shape, and the belt width direction extends in the near-far-middle direction; the vertical section is in a flat belt shape, and the belt width direction extends in the gingival cheek direction. And the vertical section and the horizontal section are vertically intersected, so that the cross section of the anti-lingual inclination arch wire is L-shaped. According to the utility model, strong horizontal control force and vertical control force are simultaneously provided, and the control force on anterior teeth is obviously improved. Especially when the arch wire is applied to lingual correction, the arch wire applies force on the lingual side, and the phenomenon of lingual inclination can be improved due to the fact that the arch control force is enhanced. In addition, due to the L-shaped structural characteristic, the arch wire can enter the groove conveniently, and after entering the groove, the arch wire is good in installation stability, not prone to loosening and firm to wear.

Description

Technical Field

[0001] The utility model relates to the field of oral orthodontics, in particular to an anti-lingual tilt archwire and a fixed orthodontic appliance comprising the anti-lingual tilt archwire. Background Art

[0002] Fixed orthodontic appliances typically consist of an orthodontic archwire and multiple brackets. In clinical practice, the braces are bonded to the patient's teeth and preformed orthodontic archwires are threaded through each bracket. The archwire's deformable properties continuously apply traction to the teeth, moving the dentition in the desired direction and achieving the desired orthodontic effect.

[0003] Archwires play a crucial role in orthodontic outcomes. Using an inappropriately shaped or poorly controlled archwire can lead to poor orthodontic results or make it difficult to maintain the results.

[0004] Lingual braces, a type of fixed orthodontic appliance, are gaining popularity among consumers due to their aesthetic appeal and minimal impact on patients' daily lives. Personalized lingual braces, where lingual brackets and orthodontic archwires are customized to the patient's specific dental condition, are becoming increasingly popular.

[0005] Currently, the types of archwires used in fixed orthodontic treatment are generally ribbon archwires and horizontal archwires. Figure 1 The vertical width of the ribbon bow 1 is wide and the horizontal width is narrow, so its horizontal control is weak. Since the grooves of the lingual bracket are vertical, the ribbon bow 1 has an advantage in vertical control. Therefore, the ribbon bow 1 is often used in lingual correction. Figure 2 The horizontal arch 2 is narrow in the vertical direction and wide in the horizontal direction. Its vertical control force is weak and it is often used for lip correction.

[0006] In clinical practice, for lingual orthodontic treatment, since the force-bearing surface of the teeth is on the lingual side, the arch wire applies force on the lingual side, which causes the teeth to easily tilt lingually. However, the existing lingual arch wires, especially the ribbon arches, have insufficient arch shape control force and cannot resist the lingual tilt phenomenon, which greatly affects the treatment effect. Utility Model Content

[0007] In order to overcome the shortcomings of the existing technology, one of the purposes of the present invention is to provide an anti-lingual tilt arch wire, and the second purpose is to provide a fixed orthodontic appliance including such an anti-lingual tilt arch wire, which can solve the problem of insufficient arch shape control force and easy lingual tilt of teeth in the existing lingual correction orthodontic arch wire.

[0008] The utility model is realized by the following technical solutions:

[0009] A tongue tilt prevention archwire comprises: a horizontal section and a vertical section; the horizontal section is in the shape of a flat strip, the width of the horizontal section extending in the mesiodistal direction; the vertical section is in the shape of a flat strip, the width of the vertical section extending in the gingival-buccal direction; the vertical section is integrally formed or fixedly connected to the horizontal section, and the vertical section intersects the horizontal section vertically, so that the cross-section of the tongue tilt prevention archwire is "L"-shaped.

[0010] Furthermore, the tongue tilt prevention arch wire is any one of stainless steel wire, β-titanium alloy wire, nickel-titanium alloy wire, superelastic metal wire, and polymer material wire.

[0011] Furthermore, the tongue tilt prevention archwire is bent with a plurality of bending portions or curved structures along its length direction.

[0012] A fixed orthodontic appliance, characterized in that it includes the anti-lingual tilt archwire; the fixed orthodontic appliance also includes a bracket, the bracket is provided with an archwire groove, and the anti-lingual tilt archwire is detachably fastened in the archwire groove.

[0013] Furthermore, the bracket includes a base plate for bonding to the tooth surface, one side of the base plate is a bonding side, and a body is protruding on the opposite side of the bonding side; an archwire groove is opened on the body along the mesiodistal direction, and the cross-section of the archwire groove is "L"-shaped to match the anti-lingual tilt archwire; the angle where the horizontal section and the vertical section intersect is facing the base plate.

[0014] Furthermore, the bottom plate of the bracket is bonded to the lingual side or labial side of the tooth.

[0015] Furthermore, a mesh structure or a convex dot array structure for increasing adhesion is provided on the bonding side of the base plate relative to the tooth surface.

[0016] Furthermore, the bracket also includes a bracket wing; the bracket wing is provided on the body and extends in a wing shape along the outer side of the top of the body.

[0017] Furthermore, the bracket wing includes an upper bracket wing and a lower bracket wing; the upper bracket wing and the lower bracket wing are arranged opposite to each other and extend in a wing shape along two sides of the body.

[0018] Furthermore, the bracket wings are provided with ligature holes for tying ligature wires or ligature rings.

[0019] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0020] The anti-lingual tilt archwire consists of a horizontal section and a vertical section. Both the horizontal and vertical sections are flat ribbons that intersect perpendicularly, forming an "L"-shaped archwire in cross-section. This provides both strong horizontal and vertical control forces, significantly improving control over the anterior teeth. Especially when used for lingual correction, the archwire applies force to the lateral surface of the tongue. Due to the enhanced arch control force, lingual tilt can be improved. Furthermore, the L-shaped structure facilitates archwire insertion into the slot. Once inserted, the installation is stable, not prone to loosening, and securely fits. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Shown is a schematic diagram of a ribbon bow in the prior art;

[0022] Figure 2 Shown is a schematic diagram of a horizontal bow in the prior art;

[0023] Figure 3 Shown is a schematic diagram of the assembly of the fixed appliance of the present invention;

[0024] Figure 4 Shown is a schematic diagram of the assembly of the fixed appliance at another display angle;

[0025] Figure 5 Shown Figure 4 Side view of;

[0026] Figure 6 The figure shows the structure of the anti-tongue tilt archwire;

[0027] Figure 7 Shown is a schematic diagram of the structure of the bracket.

[0028] In the figure: 1. Ribbon arch; 2. Horizontal arch; 10. Anti-lingual tilt archwire; 11. Horizontal segment; 12. Vertical segment; 20. Bracket; 21. Base plate; 22. Body; 23. Archwire groove; 24. Bracket wing; 241. Upper bracket wing; 242. Lower bracket wing. DETAILED DESCRIPTION

[0029] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0033] The utility model discloses an anti-lingual tilt archwire 10, which is used for fixing an orthodontic appliance, especially for lingual orthodontics; it can also be used for labial orthodontics. Figure 1 , this anti-lingual tilt arch wire 10 includes a horizontal section 11 and a vertical section 12. The horizontal section 11 is in the shape of a flat ribbon, and the width of the horizontal section 11 extends in the mesiodistal direction; the vertical section 12 is also in the shape of a flat ribbon, and the width of the horizontal section 11 extends in the gingival-buccal direction. The vertical section 12 is integrally formed or fixedly connected to the horizontal section 11, and the vertical section 12 and the horizontal section 11 intersect vertically, so that the cross-sectional shape of the anti-lingual tilt arch wire 10 is "L"-shaped. In terms of technology, a 90° bend can be made on a flat square arch wire along the midline position of its length to obtain an L-shaped arch wire. In terms of materials, any one of stainless steel, β-titanium alloy, nickel-titanium alloy, superelastic metal, and polymer material can be used, and other known arch wire materials in the field can also be used.

[0034] See Figure 3-Figure 5Because the horizontal and vertical sections 11 and 12 of the anti-lingual tilt archwire 10 are both flat and intersecting at right angles, forming an L-shaped cross-section, the archwire provides both strong horizontal and vertical control, significantly enhancing control over the anterior teeth. Especially when used for lingual correction, the archwire applies force to the lateral surface of the tongue, which enhances the arch's control and reduces lingual tilt. Furthermore, the L-shaped structure facilitates archwire insertion into the slot, ensuring stable installation and a secure fit.

[0035] Preferably, the tongue tilt prevention archwire 10 can be a smooth straight archwire along the length direction. Figure 6 ; It is also possible to individually bend several bends or curved structures on the arch wire according to the patient's specific dental condition. With the help of the rebound characteristics of the arch wire, the bends or curved structures can release a certain correction force.

[0036] The present invention also discloses a fixed orthodontic appliance, including the above-mentioned anti-lingual tilt archwire 10. All fixed orthodontic appliances using the same or substantially the same anti-lingual tilt archwire 10 should be within the scope of protection of the present invention. Figure 3-Figure 5 、 Figure 7 In addition to the archwire, the fixed orthodontic appliance also includes a bracket 20 , on which an archwire groove 23 for installing the archwire is opened, and the anti-lingual tilt archwire 10 is detachably buckled in the archwire groove 23 .

[0037] Preferably, see Figure 7 The bracket 20 includes a base plate 21 and a body 22. The base plate 21 is bonded to the tooth surface, with one side of the base plate 21 serving as the bonding side, and the body 22 protruding from the side opposite the bonding side. An archwire slot 23 is defined in the body 22 and extends in the mesiodistal direction. The cross-section of the archwire slot 23 is L-shaped and matches the shape of the anti-lingual tilt archwire 10. The angle between the horizontal and vertical segments 11 and 12 of the anti-lingual tilt archwire 10 faces the direction of the base plate 21. When inserting the anti-lingual tilt archwire 10 into the bracket 20, this angle is oriented toward the base plate 21. The anti-lingual tilt archwire 10 is then pressed into the archwire slot 23 of the bracket 20.

[0038] The fixed appliance of the present invention can be used for lingual or labial correction. When used for lingual correction, the base plate 21 of the bracket 20 is bonded to the lingual side of the tooth; when used for labial correction, the base plate 21 of the bracket 20 is bonded to the labial side of the tooth.

[0039] Furthermore, in order to enhance the bonding adhesion between the base plate 21 of the bracket 20 and the tooth surface, a mesh structure or a multi-convex array structure is provided on the bonding side of the base plate 21 to increase the capacity of the adhesive.

[0040] Furthermore, the bracket 20 is further provided with bracket wings 24. The bracket wings 24 are provided on the body 22 and extend in a wing-like manner along the outer side of the top of the body 22. In one embodiment, the bracket wings 24 may include an upper bracket wing 241 and a lower bracket wing 242. The upper bracket wing 241 and the lower bracket wing 242 are arranged in parallel and extend in a wing-like manner along opposite sides of the body 22.

[0041] Furthermore, the bracket wing 24 may be provided with a through-hole ligature hole (not shown) for tying a ligature wire or a ligature ring to assist in providing correction force.

[0042] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. An anti-tongue tilt archwire, characterized in that: include: A horizontal segment and a vertical segment; the horizontal segment is in the shape of a flat strip, and the width of the horizontal segment extends in the mesiodistal direction; the vertical segment is in the shape of a flat strip, and the width of the vertical segment extends in the gingival-buccal direction; the vertical segment is integrally formed or fixedly connected to the horizontal segment, and the vertical segment intersects the horizontal segment vertically, so that the cross-section of the anti-tongue tilt arch wire is "L"-shaped.

2. The tongue tilt prevention archwire according to claim 1, wherein: The tongue tilt prevention arch wire is any one of stainless steel wire, β-titanium alloy wire, nickel-titanium alloy wire, superelastic metal wire, and polymer material wire.

3. The tongue tilt prevention archwire according to claim 1, wherein: The tongue tilt prevention archwire is bent with a plurality of bending portions or curved structures along its length direction.

4. A fixed orthodontic appliance, characterized in that: It comprises the anti-lingual tilt archwire according to any one of claims 1 to 3; the fixed orthodontic appliance further comprises a bracket, the bracket is provided with an archwire groove, and the anti-lingual tilt archwire is detachably fastened in the archwire groove.

5. The fixed appliance according to claim 4, wherein: The bracket includes a base plate for bonding to the tooth surface, one side of the base plate is a bonding side, and a body portion is protruding on the side opposite to the bonding side; an archwire groove along the mesiodistal direction is opened on the body portion, and the cross-section of the archwire groove is "L"-shaped to match the anti-lingual tilt archwire; the angle portion where the horizontal section and the vertical section intersect is facing the base plate.

6. The fixed appliance according to claim 5, wherein: The bottom plate of the bracket is bonded to the lingual side or labial side of the tooth.

7. The fixed appliance according to claim 5, wherein: The bonding side of the bottom plate relative to the tooth surface is provided with a mesh structure or a convex dot array structure for increasing adhesion.

8. The fixed appliance according to claim 5, wherein: The bracket further comprises a bracket wing, which is arranged on the body and extends in a wing shape along the outer side of the top of the body.

9. The fixed appliance according to claim 7, wherein: The bracket wings include an upper bracket wing and a lower bracket wing; the upper bracket wing and the lower bracket wing are arranged opposite to each other and extend in a wing shape along two sides of the body.

10. The fixed appliance according to claim 7, wherein: The bracket wings are also provided with ligature holes for tying ligature wires or ligature rings.

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