Anterior tooth reverse occlusal appliance

Through the combined design of the invisible diaphragm retainer and beveled guide, the problem of loosening of the mandibular crown-type beveled guide is solved, and the stability and comfort of the front teeth reversal orthodontic corrector is improved, ensuring the sustainability and safety of the correction effect.

CN223126669UActive Publication Date: 2025-07-22HOSPITAL OF STOMATOLOGY SUN YAT SEN UNIV
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Patent Information

Application Number
CN202421972666.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-07-22
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

In the prior art, the jaw-crown inclined guide plate is prone to loosen under frequent chewing and biting, resulting in the risk of accidentally swallowing by the wearer, and the connection of the corrector is unstable, affecting the correction effect and safety.

Method used

The combination design of invisible diaphragm retainer and beveled guide plate is adopted. The invisible diaphragm retainer covers all the teeth of the jaw. The beveled guide plate can be detached and installed in the front tooth area and is fixed by connecting bolts, metal reinforcements and snaps to ensure a stable connection.

Benefits of technology

It improves the wear comfort and safety of the orthodontic device, reduces the risk of shedding, enhances the stability of the orthodontic effect and facilitates the removal, and reduces the possibility of recurrence of dental deformities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of medical equipment, and discloses an anterior tooth reverse occlusal appliance, which comprises an invisible pressed film retainer and an inclined surface guide plate, the invisible pressed film retainer is provided with a tooth socket, and the tooth socket can cover all teeth of the lower jaw and is matched with all the teeth of the lower jaw; a slope guide plate is arranged on one side, deviating from the alveolar cavity, of the invisible pressed film retainer, is detachably arranged in an anterior tooth area of the invisible pressed film retainer, and is used for guiding anterior tooth occlusion of the upper jaw. According to the anterior tooth reverse occlusal appliance, the invisible pressed film retainer is detachably connected with the inclined guide plate, so that the anterior tooth reverse occlusal appliance is convenient to produce, disassemble, replace or maintain and clean, and the invisible pressed film retainer can consolidate the curative effect after orthodontic treatment of all tooth deformity of the lower jaw is completed, so that the recurrence of the tooth deformity is reduced, and the anterior tooth reverse occlusal appliance is safe and reliable. The correction stability of the dentition position is effectively ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of oral orthodontics, in particular to an anterior crossbite corrector. Background Art

[0002] Anterior crossbite is one of the most common malocclusions in clinical practice, which has a serious impact on the patient's oral function, facial aesthetics and mental health. There are many types of anterior crossbite, and the timing and treatment methods vary. Among them, the deciduous tooth period and the replacement tooth period are the best time to treat anterior crossbite, and the treatment is relatively simple and has a good prognosis.

[0003] At present, the correction method of mandibular crown bevel guide plate is often used. This method is suitable for patients with deciduous anterior crossbite or deep anterior crossbite. It has the characteristics of low cost, simple production, easy to master technology, low risk and significant effect. Due to the short crowns of patients with deciduous dentition, the retention force of mandibular crown bevel guide plate appliance is poor in clinical practice, so the guide plate is generally bonded to the tooth surface to strengthen the retention. The existing technology has the following defects: the structure of the mandibular crown bevel guide plate is small, and the guide plate is easy to loosen after being bonded to the tooth surface under frequent chewing and biting during eating, resulting in accidental swallowing by the wearer. Utility Model Content

[0004] The utility model aims to provide an anterior crossbite corrector, which has a simple structure and an invisible pressed film retainer with a simple structure and a stable connection.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Provided is an anterior crossbite corrector, comprising an invisible laminated film retainer and an inclined guide plate, wherein the invisible laminated film retainer is provided with a tooth socket, the tooth socket can cover all the teeth of the mandible and be compatible with all the teeth of the mandible, the inclined guide plate is provided on a side of the invisible laminated film retainer away from the tooth socket, and the inclined guide plate is detachably arranged on the anterior tooth area of the invisible laminated film retainer, and the inclined guide plate is used to guide the occlusion of the anterior teeth of the maxilla.

[0007] As a preferred solution of the anterior crossbite corrector, a fixing hole is provided through the bottom of the alveolar groove, and a connecting hole is provided on the inclined guide plate. The bolt passes through the fixing hole and is screwed into the connecting hole.

[0008] As a preferred solution for an anterior crossbite corrector, a first metal reinforcement is provided inside the inclined plane guide plate. Threaded holes are provided at positions of the first metal reinforcement corresponding to the connection holes. A second metal reinforcement is provided inside the invisible pressure-formed retainer, and the second metal reinforcement is located between the bottom of the alveolar socket and the side of the invisible pressure-formed retainer adjacent to the inclined plane guide plate. Communication holes are provided at positions of the second metal reinforcement corresponding to the fixing holes. The bolt passes through the fixing hole, the communication hole, and the connection hole and is screwed into the threaded hole to fix the inclined plane guide plate and the invisible pressure-formed retainer.

[0009] As a preferred solution for an anterior crossbite corrector, one of the invisible pressure-formed retainer and the inclined plane guide plate is provided with a buckle, and the other is provided with a clamping groove, and the buckle is clamped in the clamping groove.

[0010] As a preferred solution for an anterior crossbite corrector, positioning posts are provided on one side of the two adjacent sides of the invisible pressure-formed retainer and the inclined plane guide plate, and positioning grooves are provided on the other side, and the positioning posts are inserted into the positioning grooves.

[0011] As a preferred solution for an anterior crossbite corrector, the inclined plane guide plate has an inclined surface, and the inclined surface is inclined from the end adjacent to the invisible pressure-formed retainer towards the end away from the invisible pressure-formed retainer and towards the inner side of the oral cavity. The anterior crossbite corrector includes a plurality of the inclined plane guide plates, and the inclination angles of the inclined surfaces of each inclined plane guide plate are different.

[0012] As a preferred solution for an anterior crossbite corrector, the included angle between the inclined surface and the occlusal plane of the mandible is θ, and 30° ≤ θ ≤ 60°.

[0013] As a preferred solution for an anterior crossbite corrector, the invisible pressure-formed retainer includes a rigid limiting part and a silicone fitting part. The rigid limiting part is provided with the alveolar socket. The silicone fitting part is arranged on the side of the rigid limiting part where the alveolar socket is provided, and part of the silicone fitting part extends to the wall of the alveolar socket, and the silicone fitting part fits with the gingiva of the mandible.

[0014] As a preferred solution for an anterior crossbite corrector, a limiting groove is recessed on the side of the rigid limiting part where the alveolar socket is provided, and part of the silicone fitting part is embedded in the limiting groove.

[0015] As a preferred solution for an anterior crossbite corrector, a medicine groove is recessed on the wall of the alveolar socket, and the medicine groove is used for storing the smear treatment medicine of the wearer.

[0016] Advantages of the present utility model: By using the invisible press-fit retainer, it is aesthetic and comfortable. When the upper and lower teeth bite, the biting force of the upper teeth on the inclined plane guide plate can be distributed to all the teeth of the lower jaw through the invisible press-fit retainer, reducing the occurrence of pain and discomfort caused by the concentrated biting force in the anterior tooth area of the lower jaw, and improving the wearing comfort of the anterior crossbite corrector; the invisible press-fit retainer is nested on all the teeth of the lower jaw, with stable connection and not easy to fall off, improving the use safety of the anterior crossbite corrector; the invisible press-fit retainer is detachably connected to the inclined plane guide plate, with convenient production, disassembly and assembly, facilitating replacement, maintenance and cleaning, and the invisible press-fit retainer can consolidate the curative effect after the orthodontic treatment of all the teeth deformities of the lower jaw, reducing the recurrence of tooth deformities, and effectively ensuring the correction stability of the tooth alignment position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described in detail below with reference to the drawings and embodiments.

[0018] Figure 1 is a schematic structural diagram of the anterior crossbite corrector according to an embodiment of the present utility model;

[0019] Figure 2 is a schematic diagram of the cooperation between the anterior crossbite corrector and the teeth according to an embodiment of the present utility model;

[0020] Figure 3 is an exploded schematic diagram of the anterior crossbite corrector according to an embodiment of the present utility model;

[0021] In the figure:

[0022] 1, invisible press-fit retainer; 11, alveolar socket; 12, fixing hole; 13, rigid limiting part; 14, silicone fitting part; 2, inclined plane guide plate; 21, connection hole; 22, positioning column; 23, inclined surface; 3, first metal reinforcement; 31, threaded hole; 4, second metal reinforcement; 41, communication hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present utility model will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model are shown in the drawings rather than all the structures.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0027] like Figures 1 to 3 As shown, the anterior crossbite corrector of the utility model embodiment comprises an invisible laminated film retainer 1 and a bevel guide plate 2, the invisible laminated film retainer 1 is provided with a tooth socket 11, the tooth socket 11 can cover all the teeth of the mandible and adapt to all the teeth of the mandible, the side of the invisible laminated film retainer 1 away from the tooth socket 11 is provided with a bevel guide plate 2, and the bevel guide plate 2 is detachably arranged on the anterior tooth area of the invisible laminated film retainer 1, and the bevel guide plate 2 is used to guide the occlusion of the anterior teeth of the maxilla.

[0028] It is understandable that the dental alveolus 11 needs to be customized according to the dentition structure of the wearer. By using the invisible pressure-formed retainer 1, it is aesthetic and comfortable, enabling the biting force of the upper teeth on the inclined plane guide plate 2 during the occlusion of the upper and lower teeth to be distributed to all the teeth in the lower jaw through the invisible pressure-formed retainer 1, reducing the occurrence of pain and discomfort caused by the concentrated biting force in the anterior tooth area of the lower jaw, and improving the wearing comfort of the anterior crossbite corrector; the invisible pressure-formed retainer 1 is nested on all the teeth in the lower jaw, with stable connection and not easy to fall off, enhancing the use safety of the anterior crossbite corrector; the invisible pressure-formed retainer 1 and the inclined plane guide plate 2 are detachably connected, with convenient production, disassembly and assembly, facilitating replacement or maintenance and cleaning, and the invisible pressure-formed retainer 1 can consolidate the curative effect after the orthodontic treatment of all the teeth in the lower jaw is completed, reducing the recurrence of tooth deformity, effectively ensuring the correction stability of the dentition position; and after the inclined guide plate is removed, the invisible pressure-formed retainer 1 can be used alone, enhancing the versatility of the anterior crossbite corrector.

[0029] Optionally, as Figure 2 and Figure 3 shown, a fixing hole 12 is provided through the bottom of the dental alveolus 11, and a connecting hole 21 is provided on the inclined plane guide plate 2. A bolt passes through the fixing hole 12 and is screwed into the connecting hole 21. The fixing frame is a light hole, and the connecting hole 21 is a threaded hole 31. The inclined plane guide plate 2 and the invisible pressure-formed retainer 1 are fixed by screwing the bolt through the light hole into the threaded hole 31. The disassembly and assembly by the threaded connection method are convenient, and the connection is firm and not easy to fall off.

[0030] Furthermore, a first metal reinforcement member 3 is arranged inside the inclined plane guide plate 2. By using the first metal reinforcement member 3, the structural strength and structural support of the inclined plane guide plate 2 can be effectively enhanced. Preferably, the cross-section of the first metal reinforcement member 3 is triangular, and one inclined side is parallel to the inclined surface 23 of the inclined plane guide plate 2.

[0031] Optionally, a second metal reinforcement member 4 is arranged inside the invisible pressure-formed retainer 1. By using the second metal reinforcement member 4, the structural strength and structural support of the invisible pressure-formed retainer 1 can be enhanced.

[0032] In some embodiments, as Figure 3As shown, a first metal reinforcement member 3 is provided inside the inclined plane guide plate 2. A threaded hole 31 is provided at the position of the first metal reinforcement member 3 corresponding to the connection hole 21. At the same time, a second metal reinforcement member 4 is provided inside the invisible pressure membrane retainer 1, and the second metal reinforcement member 4 is located between the bottom of the alveolar socket 11 and the side of the invisible pressure membrane retainer 1 adjacent to the inclined plane guide plate 2. A communication hole 41 is provided at the position of the second metal reinforcement member 4 corresponding to the fixing hole 12. The communication hole 41, the fixing hole 12, and the connection hole 21 are all optical holes. A bolt passes through the fixing hole 12, the communication hole 41, and the connection hole 21 and is screwed into the threaded hole 31 to fix the inclined plane guide plate 2 to the invisible pressure membrane retainer 1. By connecting the first metal reinforcement member 3 and the second metal reinforcement member 4 with bolts, the metal connection stability is high, and the connection strength between the inclined plane guide plate 2 and the invisible pressure membrane retainer 1 can be further enhanced.

[0033] Optionally, a buckle is provided on the side of the invisible pressure membrane retainer 1 facing the inclined plane guide plate 2, and a card slot is provided on the side of the inclined plane guide plate 2 facing the invisible pressure membrane retainer 1. The buckle is snapped into the card slot. The connection is made through the detachable connection method of the buckle and the card slot, and the snap connection is stable and the connection is convenient. Of course, it is not limited to setting the buckle on the side of the invisible pressure membrane retainer 1 facing the inclined plane guide plate 2 and setting the card slot on the side of the inclined plane guide plate 2 facing the invisible pressure membrane retainer 1. The buckle can also be set on the side of the inclined plane guide plate 2 facing the invisible pressure membrane retainer 1, and the card slot can be set on the side of the invisible pressure membrane retainer 1 facing the inclined plane guide plate 2.

[0034] Furthermore, a positioning post 22 protrudes from the side of the invisible pressure membrane retainer 1 facing the inclined plane guide plate 2, and a positioning groove is recessed on the side of the inclined plane guide plate 2 facing the invisible pressure membrane retainer 1. The positioning post 22 is inserted into the positioning groove. Through the cooperation of the positioning post 22 and the positioning groove, the guiding property of the connection between the inclined plane guide plate 2 and the invisible pressure membrane retainer 1 can be strengthened, and the installation accuracy of the inclined plane guide plate 2 and the invisible pressure membrane retainer 1 can be improved. Of course, the positioning post 22 can also be set on the side of the inclined plane guide plate 2 facing the invisible pressure membrane retainer 1, and the positioning groove can be set on the side of the invisible pressure membrane retainer 1 facing the inclined plane guide plate 2.

[0035] Furthermore, as Figure 2 and Figure 3 shown, the inclined plane guide plate 2 has an inclined surface 23. The inclined surface 23 is inclined from the end adjacent to the invisible pressure membrane retainer 1 towards the end away from the invisible pressure membrane retainer 1 and towards the inner side of the oral cavity. The anterior crossbite corrector includes a plurality of inclined plane guide plates 2, and the inclination angles of the inclined surfaces 23 of each inclined plane guide plate 2 are different. By replacing the inclined plane guide plates 2 with inclined surfaces 23 of different inclination angles, the changes in different treatment periods of the wearer can be adapted, so that the wearer has a better correction effect during different treatment change periods.

[0036] Optionally, the included angle between the inclined surface 23 and the occlusal plane of the mandible is θ, where 30° ≤ θ ≤ 60°. For example, the included angle between the inclined surface 23 and the occlusal plane of the mandible is 30°, 35°, 40°, 45°, 50°, 55° or 60°, etc. This angle is reasonably designed and will not be too large or too small to cause poor orthodontic effects. Preferably, the included angle between the inclined surface 23 and the occlusal plane of the mandible is 45°. It should be noted that the height of the inclined plane guide plate 2 should be consistent with the palatal side of the anterior teeth of the maxilla.

[0037] In some other embodiments, the invisible pressure - forming retainer 1 includes a rigid limiting part 13 and a silica - gel fitting part 14. The rigid limiting part 13 is provided with alveoli 11. The silica - gel fitting part 14 is arranged on the side of the invisible pressure - forming retainer 1 where the alveoli 11 are provided, and part of the silica - gel fitting part 14 extends to the wall of the alveoli 11, and the silica - gel fitting part 14 fits with the gingiva of the mandible. Through the setting of the rigid limiting part 13, the structural stability of the alveoli 11 can be ensured, so as to achieve the retention effect of limited correction of the mandibular teeth. By using the setting of the silica - gel fitting part 14, the gingiva can be protected, avoiding the discomfort or even damage to the gingiva caused by the rigid limiting part 13 pressing on the gingiva, and improving the wearing comfort of the invisible pressure - forming retainer 1. And part of the silica - gel fitting part 14 extends to the wall of the alveoli 11 to cooperate with the teeth, which can strengthen the friction between the invisible pressure - forming retainer 1 and the teeth, improve the installation stability of the invisible pressure - forming retainer 1, and reduce the occurrence of loosening of the anterior crossbite corrector.

[0038] Furthermore, a limiting groove is recessed on the side of the rigid limiting part 13 where the alveoli 11 are provided, and part of the silica - gel fitting part 14 is embedded in the limiting groove. Through the setting of the limiting groove, when the silica - gel fitting part 14 is formed, it can partially flow into the limiting groove to realize the connection with the rigid limiting part 13, effectively improving the connection strength between the silica - gel fitting part 14 and the rigid limiting part 13.

[0039] Even further, a medicine groove is recessed on the wall of the alveoli 11. The medicine groove is used to store the application treatment medicine of the wearer. Through the setting of the medicine groove, when the wearer uses the retainer, the medicine can be accurately applied to the place where medicine needs to be applied at a specific position, reducing the waste of medicine.

[0040] Obviously, the above - mentioned embodiments of the present utility model are only examples for clearly explaining the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, various obvious changes, re - adjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to enumerate all the implementation manners here. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the claims of the present utility model.

Claims

1. An anterior crossbite corrector, characterized in that, The invention comprises an invisible laminated film retainer and an inclined guide plate, wherein the invisible laminated film retainer is provided with a tooth socket, and the tooth socket can cover all the teeth of the mandible and be compatible with all the teeth of the mandible, and the inclined guide plate is provided on the side of the invisible laminated film retainer away from the tooth socket, and the inclined guide plate is detachably arranged on the front tooth area of the invisible laminated film retainer, and the inclined guide plate is used to guide the occlusion of the front teeth of the maxilla.

2. The anterior crossbite corrector according to claim 1, characterized in that, A fixing hole is provided through the bottom of the tooth socket, and a connecting hole is provided on the inclined guide plate. A bolt passes through the fixing hole and is screwed into the connecting hole.

3. The anterior crossbite corrector according to claim 2, characterized in that, A first metal reinforcement is arranged in the inclined guide plate, and a threaded hole is arranged in the first metal reinforcement at a position corresponding to the connecting hole. A second metal reinforcement is arranged in the invisible film retainer, and the second metal reinforcement is located between the bottom of the tooth socket and the side of the invisible film retainer adjacent to the inclined guide plate. A connecting hole is arranged in the second metal reinforcement at a position corresponding to the fixing hole. The bolt passes through the fixing hole, the connecting hole and the connecting hole and is screwed into the threaded hole to fix the inclined guide plate to the invisible film retainer.

4. The anterior crossbite corrector according to claim 1, wherein, One of the invisible pressing film retainer and the inclined plane guide plate is provided with a buckle, and the other is provided with a slot, and the buckle is engaged in the slot.

5. The anterior crossbite corrector according to any one of claims 1-4, characterized in that, One of the two sides adjacent to each other of the invisible pressing film holder and the inclined plane guide plate is provided with a positioning column, and the other side is provided with a positioning groove, and the positioning column is inserted into the positioning groove.

6. The anterior crossbite corrector according to any one of claims 1-4, characterized in that, The bevel guide plate has an inclined surface, which is inclined from an end adjacent to the invisible film retainer toward an end away from the invisible film retainer and toward the inside of the oral cavity. The anterior crossbite corrector includes a plurality of the bevel guide plates, and the inclination angle of the inclined surface of each bevel guide plate is different.

7. The anterior crossbite corrector according to claim 6, characterized in that, The angle between the inclined surface and the occlusal plane of the mandible is θ, 30°≤θ≤60°.

8. The anterior crossbite corrector according to any one of claims 1-4, characterized in that, The invisible compression film retainer includes a hard limiting part and a silicone bonding part, the hard limiting part is provided with the tooth socket, the silicone bonding part is arranged on one side of the hard limiting part where the tooth socket is provided, and part of the silicone bonding part extends to the wall of the tooth socket, and the silicone bonding part is bonded to the gums of the mandible.

9. The anterior crossbite corrector according to claim 8, characterized in that, The hard limiting portion is provided with a limiting groove recessed on one side of the tooth socket, and part of the silicone fitting portion is embedded in the limiting groove.

10. The anterior crossbite corrector according to claim 8, characterized in that, A medicine groove is recessed on the groove wall of the tooth groove, and the medicine groove is used to store the wearer's smearable treatment medicine.