Correcting appliance for quickly correcting widths of upper and lower dental arches

Abstract

The invention discloses an appliance for quickly correcting the width of upper and lower dental arches, which comprises an upper jaw appliance body, a lower jaw appliance body and a multi-curve elastic structure extending from the appliance body, and the upper and lower jaw appliance bodies and the lower jaw appliance body are invisible appliances respectively wrapping the dentures of posterior teeth on two sides. The multi-curvature elastic structure is a structure for connecting back tooth areas on the two sides of the upper jaw, and the elastic structure of the lower jaw is a connecting rod structure located on the lingual side of the lower jaw appliance. Through the flexible form design, when the appliance is in place on the dentition, the elastic structure releases the elastic force, and the force for adjusting the width of the dental arch is generated. Through flexible form design, when the orthodontic appliance is positioned in a dentition, the elastic structure releases elastic force and generates force for adjusting the width of the dental arch, and corresponding accessory design is adopted, so that the form of the dental arch can be flexibly adjusted, the negative effect is effectively reduced, and the treatment efficiency and the comfort level are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of orthodontic appliances, and more particularly to an appliance for quickly correcting the width of the upper and lower dental arches. Background Technology

[0002] With the development of invisible orthodontic technology, invisible aligners have become a widely used method of orthodontic treatment, especially in terms of aesthetics and comfort. However, existing invisible aligners mainly rely on dental expansion when expanding the arch, which often causes negative effects, such as palatal cusp drooping, and are difficult to effectively achieve arch reduction. Summary of the Invention

[0003] The present invention aims to provide an orthodontic appliance that can quickly correct the width of the upper and lower dental arches, flexibly adjust the shape of the dental arch, effectively reduce negative effects, and significantly improve treatment efficiency and comfort.

[0004] To achieve the above objectives, the present invention employs the following technical solution:

[0005] This invention discloses an orthodontic appliance for quickly correcting the width of the upper and lower dental arches, comprising a maxillary appliance body and a mandibular appliance body. Both the maxillary and mandibular appliance bodies are invisible orthodontic appliances that respectively wrap around the posterior teeth on both sides. The maxillary appliance body has an adjustable structure for the width of the maxillary dental arch between the posterior teeth on both sides, and a maxillary retention element is provided on the side of the posterior teeth of the maxillary appliance body. The mandibular appliance body has an adjustable structure for the width of the mandibular dental arch between the posterior teeth on both sides, and the adjustable structure for the width of the mandibular dental arch is set against the lingual side of the mandibular appliance body. A mandibular retention element is provided on the side of the posterior teeth of the mandibular appliance body.

[0006] Preferably, the adjustable width structure of the maxillary dental arch is an arc-shaped plate-like structure that convexes towards the palatal side. The adjustable width structure of the maxillary dental arch has low elasticity and strong resistance to deformation.

[0007] Preferably, the adjustable width structure of the maxillary dental arch is an elastic curved structure, and the middle part of the adjustable width structure of the maxillary dental arch is an elastic part.

[0008] Preferably, the shape of the elastic part includes an arc shape, a serpentine shape, a closed ring structure, a single Ω structure, or multiple Ω structures arranged in parallel.

[0009] Preferably, the two ends of the mandibular arch width-adjustable structure are fixedly connected to the lingual side of the posterior teeth of the mandibular orthodontic appliance body through connecting parts, and the connecting parts are elastic elements.

[0010] Preferably, the connecting part is a closed ring structure.

[0011] Preferably, the maxillary retention element is located on the lingual or buccal side of the maxillary appliance body, and the mandibular retention element is located on the lingual or buccal side of the mandibular appliance body.

[0012] Preferably, the maxillary retention element is a rectangular or spherical protruding shell-like structure, and the mandibular retention element is a rectangular or spherical protruding shell-like structure.

[0013] The beneficial effects of this invention are:

[0014] This invention, by adding a rapid arch-shaped structure for expanding / contracting the arch, allows for flexible adjustment of the dental arch shape. Combined with buccal and lingual retention elements, it reduces negative effects. This invention can maintain proper tooth alignment during orthodontic treatment, significantly improving treatment efficiency and comfort, and has broad application prospects.

[0015] 1. This invention can effectively improve orthodontic efficiency: This invention can expand or shrink the arch using a flexible adjustable structure for the width of the maxillary or mandibular dental arch, and maintain the shape after expansion or shrinkage.

[0016] 2. This invention can reduce the negative effects caused by arch expansion / reduction: the retention element can be flexibly placed on the labial or lingual side of the crown surface to counteract palatal apex drooping caused by arch expansion or buccal apex drooping caused by arch reduction.

[0017] 3. This invention combines aesthetics and comfort: It integrates the aesthetic and comfort features of invisible aligners with the overall control advantages of traditional aligners. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the present invention, wherein (a) is a schematic diagram of the main body of the maxillary appliance, and (b) is a schematic diagram of the main body of the mandibular appliance;

[0019] Figure 2 This is a schematic diagram of the main body of the maxillary orthodontic appliance, where (a) is a side view, (b) is a front view, (c) is a rear view, and (d) is a top view;

[0020] Figure 3 The diagram shows different elastic parts of the main body of the maxillary orthodontic appliance. (a) The elastic part is a closed rectangular ring, (b) The elastic part is serpentine, (c) The elastic part is a single Ω structure, and (d) The elastic part is multiple Ω structures arranged in parallel.

[0021] Figure 4 The diagram shows the main body of the mandibular appliance. (a) is a top view of the first type of mandibular appliance, and (b) is a top view of the second type of mandibular appliance.

[0022] Figure 5 The diagram illustrates the different elastic parts of the maxillary appliance body. In (a), the elastic part is a single Ω structure, and in (b), the elastic part consists of three Ω structures arranged side by side.

[0023] Figure 6 A schematic diagram illustrating the principle by which the maxillary retention device functions;

[0024] Figure 7 The following is a schematic diagram of the present invention applicable to narrowing the maxillary dental arch: (a) is a schematic diagram of the main body of the maxillary orthodontic appliance; (b) is a schematic diagram of the teeth before treatment; and (c) is a schematic diagram of the teeth when wearing the orthodontic appliance.

[0025] Figure 8 The following is a schematic diagram of the present invention applicable to widening the maxillary dental arch: (a) is a schematic diagram of the main body of the maxillary orthodontic appliance; (b) is a schematic diagram of the teeth before treatment; and (c) is a schematic diagram of the teeth when wearing the orthodontic appliance.

[0026] Figure 9 The following is a schematic diagram of the present invention applicable to narrowing the mandibular dental arch: (a) is a schematic diagram of the mandibular orthodontic appliance body, (b) is a schematic diagram of the teeth before treatment, and (c) is a schematic diagram of the orthodontic appliance being worn.

[0027] Figure 10 The following is a schematic diagram of the present invention applicable to widening the mandibular dental arch: (a) is a schematic diagram of the mandibular orthodontic appliance body, (b) is a schematic diagram of the teeth before treatment, and (c) is a schematic diagram of wearing the orthodontic appliance.

[0028] Note: Figure 6-10 The middle arrow indicates the direction of tooth movement for easier understanding. Figure 7-10 The dashed line is used to compare the width of the invention with the width of the user's dental arch.

[0029] In the diagram: 1-Maxillary appliance body, 2-Mandibular appliance body, 3-Maxillary arch width adjustable structure, 4-Mandibular arch width adjustable structure, 5-Elastic part, 6-Connecting part, 7-Maxillary retention element, 8-Mandibular retention element. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings.

[0031] like Figure 1-4 As shown, the present invention includes a maxillary appliance body 1 and a mandibular appliance body 2. Both the maxillary appliance body 1 and the mandibular appliance body 2 are invisible aligners that respectively wrap around the posterior teeth on both sides. The maxillary appliance body 1 has a maxillary arch width adjustable structure 3 between the posterior teeth on both sides. The maxillary appliance body 1 has a maxillary retention element 7 on the side of the posterior teeth. The mandibular appliance body 2 has a mandibular arch width adjustable structure 4 between the posterior teeth on both sides. The mandibular arch width adjustable structure 4 is set against the lingual side of the mandibular appliance body 2. The mandibular appliance body 2 has a mandibular retention element 8 on the side of the posterior teeth.

[0032] The width of the maxillary dental arch is adjustable (3), and the width of the mandibular dental arch is adjustable (4). The width of the connection between the posterior teeth can be adapted to fit one posterior tooth or multiple consecutive posterior teeth.

[0033] For situations where arch expansion / reduction requires maintenance, the maxillary dental arch width adjustable structure 3 is an arc-shaped plate-like structure that convexes towards the palatal side. The maxillary dental arch width adjustable structure 3 has low elasticity and strong resistance to deformation.

[0034] For situations requiring improved arch expansion / reduction efficiency, the maxillary dental arch width adjustable structure 3 is an elastic curved structure. The middle part of the maxillary dental arch width adjustable structure 3 is an elastic part 5. The shape of the elastic part 5 includes arc, serpentine, closed ring structure, single Ω structure, and multiple Ω structures arranged in parallel. The Ω structure is an arc-shaped structure that is larger at the top and smaller at the bottom with an opening at the bottom.

[0035] like Figure 5 As shown, compared to using a single Ω structure in (a), using three Ω structures in (b) can further improve the elasticity of the elastic part 5, and the orthodontic efficiency can be effectively improved by setting the deformation shape of the elastic part 5.

[0036] For cases where it is necessary to improve the efficiency of mandibular orthodontic treatment, the two ends of the mandibular arch width elastic adjustable structure 4 are fixedly connected to the lingual side of the posterior teeth of the mandibular appliance body 2 through the connecting part 6. The connecting part 6 is an elastic element and a closed ring structure.

[0037] For different situations of arch expansion / reduction, the maxillary retention element 7 is located on the lingual or buccal side of the maxillary appliance body 1, and the mandibular retention element 8 is located on the lingual or buccal side of the mandibular appliance body 2. The maxillary retention element 7 is a rectangular or spherical protruding shell-like structure, and the mandibular retention element 8 is a rectangular or spherical protruding shell-like structure.

[0038] like Figure 6As shown, taking the maxillary retention element 7 as an example, in the prior art, (a1) indicates that the bottom of the lingual surface of the orthodontic tooth is subjected to pressure towards the buccal side, causing the tooth to rotate around the root as the origin; (a2) indicates that the bottom of the buccal surface of the orthodontic tooth is subjected to pressure towards the lingual side, causing the tooth to rotate around the root as the origin. In this technology, (b1) the maxillary retention element 7 is fixedly connected to the lingual surface of the orthodontic tooth, so that the entire lingual surface is subjected to pressure towards the buccal side; (b2) the maxillary retention element 7 is fixedly connected to the buccal surface of the orthodontic tooth, so that the entire buccal surface is subjected to pressure towards the lingual side. The effect of this technology is that (c1) the orthodontic tooth moves towards the buccal side due to the pressure on the lingual surface; (c2) the orthodontic tooth moves towards the lingual side due to the pressure on the buccal surface. Specifically, the working principle of the maxillary retention element 7 and the mandibular retention element 8 is as follows: retention blocks are attached to the surface of the user's teeth. The shape of the retention blocks matches the shape of the maxillary retention element 7 and the mandibular retention element 8. The maxillary retention element 7 and the mandibular retention element 8 are assembled and attached to the corresponding retention blocks, so that the force-bearing surface of the orthodontic tooth forms a rigid structure with the maxillary appliance body 1 and the mandibular appliance body 2, ensuring that the force-bearing surface of the orthodontic tooth is fully stressed and preventing the tooth from tilting.

[0039] In actual use, the maxillary appliance body 1 and the mandibular appliance body 2 are invisible aligners that wrap around the posterior teeth on both sides respectively. The buccal and lingual sides of the maxillary appliance body 1 and the mandibular appliance body 2 extend to the level of the gum line.

[0040] The adjustable-width maxillary dental arch structure 3 is an elastic structure connecting the bilateral posterior teeth of the maxilla. This structure can be modified according to different clinical applications, including:

[0041] (1) Elastic plate structure connecting the two posterior teeth:

[0042] This structure extends from the posterior tooth region of the maxillary appliance body 1 along the palatal curvature towards the palatal side, connecting on both sides. Different widths can be designed according to the clinical needs of arch expansion / reduction. When arch reduction is required, the width is smaller than the existing arch width; when arch expansion is required, the width is larger than the existing arch width. Because this structure is a plate-like structure, it has low elasticity but strong resistance to deformation, and can be used for maintenance after arch expansion / reduction or for small-scale arch expansion / reduction.

[0043] (2) The elastic curved structure connecting the two posterior teeth.

[0044] This structure extends from the posterior tooth region of the maxillary appliance body 1 along the palatal curvature towards the palatal side, connecting on both sides. Different widths can be designed according to clinical needs for arch expansion / reduction; when arch reduction is needed, the width is smaller than the existing arch width; when arch expansion is needed, the width is larger than the existing arch width. Because this structure has high elasticity but strong resistance to deformation, it can be used when significant arch expansion / reduction is required. In practical applications, it can be designed as a multi-curved structure according to specific application needs.

[0045] (3) Hyperbolic structure, which can be designed as rhombus or other shapes.

[0046] This structure extends from the posterior tooth region of the maxillary appliance body 1 along the palatal curvature towards the palatal side, connecting on both sides. Different widths can be designed according to the clinical needs of arch expansion / reduction. When arch reduction is required, the width is smaller than the existing arch width; when arch expansion is required, the width is larger than the existing arch width. Because this structure is a hyperbolic structure, the efficiency of arch expansion / reduction is higher.

[0047] The mandibular dental arch width adjustable structure 4 is an elastic structure that connects the two posterior teeth of the mandible. This structure extends from the lingual side of the posterior teeth of the mandibular appliance body 2 and connects the two sides. The elastic structure runs along the palatal side of the mandibular alveolar bone and is a certain distance away from the palatal side of the mandibular alveolar bone, so as not to affect the lingual position of the mandible and not to press on the mucosa of the mandibular alveolar bone.

[0048] The maxillary retention element 7 and the mandibular retention element 8 are rectangular or spherical shell-like structures located on the surface of the subcrown. These structures can be flexibly placed on the labial or lingual side of the crown surface. When expanding the arch, they are placed on the lingual side to counteract the drooping of the palatal cusp caused by the expansion. When retracting the arch, they are placed on the buccal side to counteract the drooping of the buccal cusp caused by the retraction.

[0049] like Figure 7 As shown, for patients with excessively wide maxilla, the width of the maxillary arch width-adjustable structure 3 is smaller than the existing arch width, and the maxillary retention element 7 is located on the buccal side.

[0050] like Figure 8 As shown, for patients with insufficient maxillary width, the width of the maxillary arch width-adjustable structure 3 is greater than the existing arch width, and the maxillary retention element 7 is located on the lingual side.

[0051] like Figure 9 As shown, for patients with insufficient mandibular width, the width of the mandibular arch width-adjustable structure 4 is greater than the existing arch width, and the mandibular retention element 8 is located on the lingual side.

[0052] like Figure 10 As shown, for patients with excessively wide mandibles, the width of the mandibular arch width-adjustable structure 4 is smaller than the existing arch width, and the mandibular retention element 8 is located on the buccal side.

[0053] In this invention, the maxillary appliance body 1 and the mandibular appliance body 2 can be individually set according to the specific conditions of the patient's upper and lower jaws, which has strong adaptability. Moreover, the maxillary appliance body 1 and the mandibular appliance body 2 can not only act directly on the tooth surface, but also be applied to teeth that are already wearing other orthodontic appliances.

[0054] Of course, the present invention may have other various embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications should all fall within the protection scope of the appended claims.

Claims

1. An orthodontic appliance for rapidly correcting the width of the upper and lower dental arches, characterized in that: The appliance includes a maxillary appliance body (1) and a mandibular appliance body (2). Both the maxillary appliance body (1) and the mandibular appliance body (2) are invisible orthodontic appliances that respectively cover the posterior teeth on both sides. The maxillary orthodontic appliance body (1) has a flexible adjustable structure (3) between the two posterior teeth, and a maxillary retention element (7) is provided on the side of the posterior teeth of the maxillary orthodontic appliance body (1). The mandibular appliance body (2) has a mandibular arch width adjustable structure (4) between the two posterior teeth. The mandibular arch width adjustable structure (4) is attached to the lingual side of the mandibular appliance body (2). The mandibular retention element (8) is provided on the side of the posterior teeth of the mandibular appliance body (2).

2. The orthodontic appliance according to claim 1, characterized in that: The maxillary dental arch width adjustable structure (3) is an arc-shaped plate structure that bulges toward the palatal side. The maxillary dental arch width adjustable structure (3) has low elasticity and strong resistance to deformation.

3. The orthodontic appliance according to claim 1, characterized in that: The maxillary dental arch width adjustable structure (3) is an elastic curved structure, and the middle part of the maxillary dental arch width adjustable structure (3) is the elastic part (5).

4. The orthodontic appliance according to claim 3, characterized in that: The shape of the elastic part (5) includes arc, snake, closed ring structure, single Ω structure, and multiple Ω structures arranged in parallel.

5. The orthodontic appliance according to claim 1, characterized in that: The mandibular arch width elastic adjustable structure (4) is fixedly connected to the lingual side of the mandibular appliance body (2) at both ends by the connecting part (6), and the connecting part (6) is an elastic element.

6. The orthodontic appliance according to claim 5, characterized in that: The connecting part (6) is a closed ring structure.

7. The orthodontic appliance according to claim 1, characterized in that: The maxillary retention element (7) is located on the lingual or buccal side of the maxillary appliance body (1), and the mandibular retention element (8) is located on the lingual or buccal side of the mandibular appliance body (2).

8. The orthodontic appliance according to claim 1 or 7, characterized in that: The maxillary retention element (7) is a rectangular or spherical protrusion shell-like structure, and the mandibular retention element (8) is a rectangular or spherical protrusion shell-like structure.

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