Self-ligating bracket with auxiliary arch tube and self-locking ligature wing and fixed appliance thereof

Abstract

The utility model discloses a self-ligating bracket with an auxiliary arch tube and a self-locking ligation wing and a fixed orthodontic appliance thereof, which can be applied to lingual orthodontics. The self-ligating bracket includes a bracket base plate. A self-locking ligation wing structure protrudes and extends from the top of the body part. An arch wire clamping groove for accommodating an arch wire is formed between a clamping boss and the upper wing of the bracket. An auxiliary arch tube mounting hole is formed inside the clamping boss, and the auxiliary arch tube mounting hole is located on one side of the self-locking ligation wing structure close to the incisal edge of the tooth. By directly forming the auxiliary arch tube mounting hole in the clamping boss, the utility model skillfully utilizes the thickness and casting strength of the clamping boss itself, enabling the clamping boss to simultaneously function as locking the arch wire and mounting the auxiliary arch tube, without the need to separately form an auxiliary arch tube mounting hole as in the past, nor to separately consider the thickness requirement for the formation of the hole wall by casting. Thus, the thickness of the bracket is reduced, the volume of the bracket is minimized, the foreign body sensation and discomfort in the patient's mouth are alleviated, and the occurrence of occlusal interference is avoided.

Description

Technical Field

[0001] This utility model relates to the field of orthodontics, specifically to a self-ligating bracket with an auxiliary arch tube and a self-ligating ligation wing, and a fixed orthodontic appliance including such a self-ligating bracket. Background Technology

[0002] In conventional fixed orthodontic treatment, the archwire is usually threaded through the archwire groove on the bracket. Specifically, the bracket has a body with a groove-shaped archwire groove inside, and the archwire is fastened in the groove.

[0003] However, in some cases of crowded teeth, the archwire is not suitable for placement in the bracket slots during the early alignment stage. Due to the crowding and malocclusion, placing the archwire in the bracket slots would cause severe deformation, resulting in loss of elasticity and inability to apply corrective force. For these cases, the archwire's placement needs to be changed. This is typically achieved by designing a protrusion on the back of the upper wing of the bracket. The archwire is then secured between the protrusion and the upper wing by clipping it into the space between them. This is because moving the archwire towards the occlusal side reduces its bending curvature, minimizing deformation and ensuring sufficient elasticity.

[0004] In the later stages of orthodontic treatment, if the patient experiences malocclusion at the incisal edges of the anterior teeth, the dentist will install an auxiliary arch tube on the bracket. This auxiliary arch tube allows for fine adjustment and control of torque and tilt to ensure proper alignment of the anterior teeth. The auxiliary arch tube is usually located above the bracket, closer to the incisal edges than the archwire. When using the auxiliary arch tube, corresponding mounting holes need to be designed into the bracket base. Since the brackets are cast, minimum casting thickness requirements must be considered; therefore, the bracket must have sufficient thickness at the location of the auxiliary arch tube mounting hole to prevent the hole walls from collapsing or failing to achieve stable casting. For some cases of early-stage crowding that require fine-tuning with an auxiliary arch tube later on, the brackets need to be designed with a boss structure to hold the archwire and also need to install the auxiliary arch tube. Both are located above the upper wing, resulting in some overlap and conflict in their positions. Because the brackets themselves are very small and structural strength must be ensured, the boss and the auxiliary arch tube mounting holes must be set separately with sufficient spacing. This results in a significant increase in bracket thickness and volume, occupying more intraoral space, which can easily cause occlusal interference for patients and bring a strong foreign body sensation in the oral cavity, seriously affecting the patient's orthodontic experience. Utility Model Content

[0005] To overcome the shortcomings of the existing technology, one of the objectives of this utility model is to provide a self-locking bracket with an auxiliary arch tube and a self-locking ligation wing. The other objective is to provide a fixed orthodontic appliance that includes such a self-locking bracket, which can solve the problems of excessive thickness, excessive intraoral space occupation, and impact on patient occlusion that exist when existing brackets are designed with both archwire locking protrusions and auxiliary arch tubes.

[0006] This utility model is achieved through the following technical solution:

[0007] A self-locking bracket with an auxiliary bow tube and a self-locking ligation wing includes: a bracket base plate, the upper surface of which has a body portion protruding, the body portion having an upper bow tube extending protruding along the tooth cutting edge direction; a locking boss for mounting the archwire, protruding and formed on the upper surface of the bracket base plate, the locking boss having a self-locking ligation wing extending protruding along one side of the upper bow tube, so that an archwire locking groove suitable for accommodating the archwire is formed between the locking boss and the upper bow tube; an auxiliary bow tube mounting hole formed inside the locking boss; the auxiliary bow tube mounting hole is located on the side of the self-locking ligation wing near the tooth cutting edge.

[0008] Furthermore, the bracket base plate has a concave arc-shaped surface at the insertion position relative to the auxiliary bow tube, and the shape of the arc-shaped surface is adapted to fit the outer periphery of the auxiliary bow tube.

[0009] Furthermore, the two ends of the auxiliary arch tube mounting hole are beveled ends, which are inclined along the upper surface of the bracket base plate.

[0010] Furthermore, the port of the auxiliary bow tube mounting hole has an outwardly flared flared structure in the radial direction.

[0011] Furthermore, the body also extends a lower wing of the bracket along the opposite side of the upper wing of the bracket, and the lower wing of the bracket is horizontally opposite to the upper wing of the bracket.

[0012] Furthermore, the body is also recessed with a main groove, which is located between the upper wing and the lower wing of the bracket; the main groove is adapted to accommodate the bowwire.

[0013] A fixed orthodontic appliance includes the self-locking bracket with an auxiliary bow tube and a self-locking ligation wing.

[0014] Furthermore, the fixed orthodontic appliance also includes: an auxiliary bow tube; the auxiliary bow tube passes through the auxiliary bow tube mounting hole on the bracket base plate.

[0015] Furthermore, the fixed orthodontic appliance also includes: an archwire; the archwire is fastened between the snap-fit ​​protrusion and the upper wing of the bracket.

[0016] Furthermore, the auxiliary bow tube is made of any one of stainless steel, nickel-titanium, or titanium alloy.

[0017] Compared with existing technologies, the beneficial effects that this utility model can achieve are as follows:

[0018] On the bracket base plate, a protruding locking boss is formed on the side of the upper wing of the bracket near the tooth cutting end. The locking boss extends a self-locking ligating wing structure along the direction of the upper wing of the bracket, thereby forming a bow wire locking groove between the locking boss and the upper wing of the bracket, which can be used to fasten the bow wire.

[0019] For some cases of crowded teeth, in the early alignment stage, the archwire can be clipped into the archwire clip slot between the bracket protrusion and the upper wing of the bracket. Simultaneously, the archwire's installation position is moved towards the occlusal side to reduce deformation and ensure sufficient elasticity, thus guaranteeing the orthodontic effect. Meanwhile, if these cases require auxiliary archwires for fine-tuning in the later stages of treatment, the auxiliary archwire can be inserted into the auxiliary archwire mounting hole on the bracket protrusion to achieve the desired fine-tuning effect.

[0020] Since the locking boss itself has a certain thickness, and the auxiliary archwire mounting hole must meet the minimum wall thickness requirement during the casting process, this utility model cleverly utilizes the thickness and casting strength of the locking boss itself by directly molding the auxiliary archwire mounting hole within the locking boss. This allows the locking boss to simultaneously lock the archwire and install the auxiliary archwire, eliminating the need to separately mold the mounting hole structure and consider the wall thickness requirements during casting, as is the case previously. This simplifies the bracket structure, significantly reduces the bracket thickness and volume, and minimizes the space occupied by the bracket in the oral cavity. Consequently, it reduces the patient's foreign body sensation and discomfort, and avoids occlusal interference. Attached Figure Description

[0021] Figure 1 The diagram shown is a structural schematic of the self-locking bracket.

[0022] Figure 2 As shown Figure 1 Side view;

[0023] Figure 3 As shown Figure 1 The front view;

[0024] Figure 4 The diagram shown is a structural schematic of a fixed orthodontic appliance.

[0025] In the diagram: 10. Self-locking bracket; 11. Bracket base plate; 12. Body; 13. Upper wing of bracket; 14. Snap-fit ​​boss; 15. Bow wire snap-fit ​​groove; 16. Auxiliary bow tube mounting hole; 17. Arc-shaped surface; 18. Lower wing of bracket; 19. Main groove; 20. Auxiliary bow tube; 30. Bow wire. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0027] In the description of this utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] This utility model discloses a self-locking bracket with an auxiliary bow tube and a self-locking ligation wing, which is used in fixed orthodontic appliances, especially for lingual orthodontic treatment.

[0031] See Figures 1-3The self-ligating bracket 10 includes a bracket base plate 11. The lower surface of the bracket base plate 11 is used to bond to the patient's tooth surface. The upper surface of the bracket base plate 11 has a protruding integral part 12. The top of the integral part 12 extends along one side of the bracket upper wing 13 and protrudes a self-ligating wing, thereby forming an archwire retaining groove 15 between the retaining boss 14 and the bracket upper wing 13, which can accommodate the archwire 30. See Figure 2 The snap-fit ​​boss 14 has an auxiliary bow tube mounting hole 16 formed inside. The auxiliary bow tube mounting hole 16 is an elongated hole located on the side of the self-locking ligation wing near the tooth cutting end.

[0032] The working principle of this utility model is as follows:

[0033] On the bracket base plate 11, a protruding locking boss 14 is formed on the side of the upper wing 13 of the bracket near the tooth cutting end. The locking boss 14 extends a self-locking ligating wing along the direction of the upper wing 13 of the bracket, thereby forming an archwire locking groove 15 between the locking boss 14 and the upper wing 13 of the bracket, which can be used to fasten the archwire 30.

[0034] For some cases of crowded teeth, in the early alignment stage, the archwire 30 can be clipped into the archwire retainer 15 between the retainer boss 14 and the bracket upper wing 13. Simultaneously, the archwire 30's installation position is moved towards the occlusal side to reduce its deformation and ensure sufficient elasticity for optimal orthodontic results. Meanwhile, if these cases require the use of an auxiliary arch tube 20 for fine-tuning in the later stages of treatment, the auxiliary arch tube 20 can be inserted into the auxiliary arch tube mounting hole 16 on the retainer boss 14 to achieve the desired fine-tuning effect.

[0035] Since the locking boss 14 itself has a certain thickness, and the auxiliary arch tube mounting hole 16 must ensure the minimum thickness requirement of the hole wall during the casting process, this utility model cleverly utilizes the thickness and casting strength of the locking boss 14 itself by directly molding the auxiliary arch tube mounting hole 16 into the locking boss 14. This allows the locking boss 14 to simultaneously function as a locking mechanism for the archwire 30 and a mounting mechanism for the auxiliary arch tube 20, without the need to separately mold the channel structure of the auxiliary arch tube mounting hole 16 as in the past, and without having to consider the thickness requirement of the hole wall casting separately. In this way, the bracket structure is more streamlined, the thickness of the bracket is significantly reduced, the volume of the bracket is reduced, and the space occupied by the bracket in the oral cavity is reduced, thereby alleviating the patient's foreign body sensation and discomfort in the mouth and avoiding occlusal interference.

[0036] To further reduce the thickness of the orthodontic appliance and alleviate the foreign body sensation in the patient's mouth, preferably, the bracket base plate 11 has a concave arc-shaped surface 17 at the insertion position relative to the auxiliary arch tube 20. The shape of the arc-shaped surface 17 is adapted to fit the outer periphery of the auxiliary arch tube 20. This implementation reduces the thickness of the bracket base plate 11 at this joint position and makes the contact portion between the auxiliary arch tube 20 and the bracket fit more closely, resulting in a smaller orthodontic appliance.

[0037] Preferably, since the diameter of the auxiliary bow tube 20 is relatively small, its insertion requires relatively precise operation. To reduce the difficulty of inserting the auxiliary bow tube 20 into the hole, preferably, refer to... Figure 3 Both ends of the auxiliary tube mounting hole 16 are beveled, and the beveled ends are inclined along the upper surface of the bracket base plate 11. In this way, the auxiliary tube 20 is less restricted by the hole opening when entering the hole, making installation easier.

[0038] Preferably, also in order to reduce the difficulty of inserting the auxiliary tube 20 into the hole, the port of the auxiliary tube mounting hole 16 has an outwardly flared flared structure in the radial direction, thereby increasing the area of ​​the hole and making it easier for the auxiliary tube 20 to be inserted into the hole.

[0039] Preferably, the body 12 of the bracket also extends a lower bracket wing 18 on the opposite side of the upper bracket wing 13. The lower bracket wing 18 and the upper bracket wing 13 are horizontally opposite each other, and both wings can be used as ligating wings for binding elastic rings or elastic wires.

[0040] Furthermore, the body 12 is also recessed with a main groove 19, which is located between the upper wing 13 and the lower wing 18 of the bracket and is suitable for accommodating the archwire 30. In this way, the bracket of this utility model has both an archwire retainer 15 located above the upper wing 13 and a conventional main groove 19, which can be flexibly selected according to the patient's individual situation. For cases of crowded teeth, the archwire 30 can be fastened into the archwire retainer 15, while for other cases, the archwire 30 can be fastened into the main groove 19.

[0041] This utility model also discloses a fixed orthodontic appliance, including the aforementioned self-locking bracket with auxiliary arch tube and self-locking ligation wings. Any fixed orthodontic appliance that uses the same or substantially the same self-locking bracket 10 should be protected within the scope of this utility model.

[0042] Preferably, see Figure 4 The fixed orthodontic appliance also includes an auxiliary bow tube 20, which is inserted into the auxiliary bow tube mounting hole 16 on the bracket base plate 11 of each bracket.

[0043] Preferably, the fixed orthodontic appliance further includes an archwire 30, which is fastened in the archwire locking groove 15 between the locking boss 14 and the upper wing 13 of the bracket, or the archwire 30 is fastened in the main groove 19 on the body 12.

[0044] Preferably, the material of the auxiliary bow tube 2 is any one of stainless steel, nickel-titanium, and titanium alloy. Of course, other materials known in the field for manufacturing the auxiliary bow tube 20 can also be selected.

[0045] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A self-locking bracket with an auxiliary bow tube and a self-locking ligation wing, characterized in that, include: The bracket base plate has a body portion protruding from its upper surface, and the body portion extends along the direction of the tooth cutting end to form an upper bracket wing. A snap-fit ​​boss for mounting the bow wire protrudes from the upper surface of the bracket base plate. The snap-fit ​​boss extends along one side of the upper wing of the bracket and protrudes a self-locking ligating wing so that a bow wire snap-fit ​​groove suitable for accommodating the bow wire is formed between the snap-fit ​​boss and the upper wing of the bracket. The auxiliary bow tube mounting hole is formed inside the snap-fit ​​boss; the auxiliary bow tube mounting hole is located on the side of the self-locking ligation wing near the tooth cutting edge.

2. The self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in claim 1, characterized in that, The bracket base plate has a concave arc-shaped surface at the insertion position relative to the auxiliary bow tube, and the shape of the arc-shaped surface is adapted to fit the outer periphery of the auxiliary bow tube.

3. The self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in claim 1, characterized in that, The two ends of the auxiliary tube mounting hole are beveled ends, which are inclined along the upper surface of the bracket base plate.

4. The self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in claim 1, characterized in that, The port of the auxiliary bow tube mounting hole has an outwardly flared flared structure in the radial direction.

5. The self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in claim 1, characterized in that, The body also extends a lower wing of the bracket along the opposite side of the upper wing of the bracket, and the lower wing of the bracket is horizontally opposite to the upper wing of the bracket.

6. The self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in claim 5, characterized in that, The body is also recessed with a main groove, which is located between the upper wing and the lower wing of the bracket; the main groove is adapted to accommodate the bowwire.

7. A fixed orthodontic appliance, characterized in that, Including the self-locking bracket with auxiliary bow tube and self-locking ligation wing as described in any one of claims 1 to 6.

8. The fixed orthodontic appliance as described in claim 7, characterized in that, The fixed orthodontic appliance further includes: an auxiliary bow tube; the auxiliary bow tube passes through the auxiliary bow tube mounting hole on the bracket base plate.

9. The fixed orthodontic appliance as described in claim 7, characterized in that, The fixed orthodontic appliance further includes: an archwire; the archwire is fastened between the snap-fit ​​protrusion and the upper wing of the bracket.

10. The fixed orthodontic appliance as described in claim 8, characterized in that, The auxiliary bow tube can be made of any one of stainless steel, nickel-titanium, or titanium alloy.

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