Orthodontic device for vertical control after orthognathic surgery

Abstract

The application discloses a kind of orthodontic appliance after orthognathic surgery without bracket, including: upper jaw appliance and lower jaw appliance, and several pads, several pads are located in the opposite side of upper jaw appliance and lower jaw appliance, to make upper jaw appliance and lower jaw appliance exist occlusal clearance.Therein, at least one pad is provided with guide structure along occlusal direction, for making upper jaw appliance and lower jaw appliance keep preset relative position in occlusion state. On the one hand, by setting pad, upper jaw appliance and lower jaw appliance can be blocked to avoid individual tooth contact to form fulcrum swing, leading to unstable occlusion of upper and lower jaw bones;On the other hand, upper and lower dentition is unique in rest position, reduce the force of appliance on teeth and affect the stability of jaw bone. In addition, the application realizes that during use, it can avoid the displacement of upper and lower jaw bones caused by intermaxillary traction, consolidate the purpose of orthognathic treatment effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a kind of orthognathic surgery post-treatment without bracket invisible orthodontic vertical control device. BACKGROUND

[0002] Without bracket invisible orthodontic appliance is a kind of transparent elastic material active correction device of computer aided design and production, it is a sequence of continuous correction device, through the small range tooth movement of constantly reach the purpose of tooth correction.This appliance can not only control the size of correction force, but also control the time of correction force action.Different stages only some teeth can move, while other teeth act as support, so as to complete the orthodontic treatment.

[0003] In the prior art, orthognathic surgery needs to be assisted by orthodontic treatment, and the orthodontic treatment in this stage has the following difficulties: 1, after the jaw is disconnected, the stability is poor during the fixed healing, and the force of the orthodontic appliance on the teeth often causes a small amount of displacement of the unstable jaw, which causes the orthognathic treatment effect to be unstable.2, in postoperative orthodontics, especially in the case of surgical priority, the formation of tooth fulcrum after surgery causes the upper and lower jaw bones to be unstable, which further causes a small amount of displacement of the jaw bones, resulting in unstable surgical effect.3, the separation of the upper and lower jaw bones for tooth correction will cause a small amount of change in the relative position of the upper and lower jaw bones, resulting in unstable surgical effect.

[0004] Therefore, whether a kind of without bracket invisible orthodontic appliance can be designed to avoid the small amount of displacement of the upper and lower jaw bones caused by intermaxillary traction and tooth force during use, and effectively consolidate the orthognathic treatment effect is the problem to be solved by the present application. SUMMARY

[0005] In view of the above defects in the prior art, the present application provides a kind of orthognathic surgery post-treatment without bracket invisible orthodontic vertical control device, which can avoid the small amount of displacement of the upper and lower jaw bones caused by intermaxillary traction and tooth force during use, and effectively improve the orthognathic treatment effect.

[0006] The technical scheme provided by the present application is as follows:

[0007] A kind of orthognathic surgery post-treatment without bracket invisible orthodontic vertical control device, comprising: upper jaw appliance;Lower jaw appliance;A plurality of pads, a plurality of the pads are located on the opposite side of the upper jaw appliance and the lower jaw appliance, so that the upper jaw appliance and the lower jaw appliance have occlusal gap;Wherein, at least one of the pads is provided with a guide structure along the occlusal direction, for keeping the upper jaw appliance and the lower jaw appliance in a predetermined relative position in the occlusal state.

[0008] The technical scheme discloses a kind of vertical control devices of orthognathic surgery post-treatment without bracket invisible orthodontic treatment, one aspect, by setting pad block can barrier upper jaw appliance and lower jaw appliance directly contact, avoid individual tooth early contact, form fulcrum swing, cause upper and lower jaw bones unstable occlusion and make jaw bone produce a small amount of displacement;Another aspect, guide structure is set in the occlusal direction of pad block, so that the upper and lower dentition is unique in the rest position, reduce the influence of the force of local orthodontic appliance on tooth on the stability of jaw bone.In addition, by setting guide structure, the upper and lower dentition is treated together, avoid the small amount of displacement of upper and lower jaw bones caused by intermaxillary traction.The device thus realizes, can avoid the small amount of displacement of upper and lower jaw bones caused by intermaxillary traction, improve the purpose of orthognathic treatment effect.

[0009] Further, the plurality of pad blocks include upper jaw pad blocks arranged on the upper jaw appliance and lower jaw pad blocks arranged on the lower jaw appliance;The upper jaw pad blocks and the lower jaw pad blocks correspond one by one, and the guide structure is located between the same group of the upper jaw pad blocks and the lower jaw pad blocks.

[0010] Further, the guide structure includes guide sliding grooves arranged on the upper jaw pad blocks and guide sliding blocks arranged on the lower jaw pad blocks, and the guide sliding blocks and the guide sliding grooves cooperate along the occlusal direction.

[0011] Further, the guide sliding block has a grinding surface facing the bottom surface of the guide sliding groove;The end of the guide sliding block includes a first indication layer and a second indication layer overlapped in sequence, and the first indication layer and the second indication layer have a boundary surface intersecting with the grinding surface, and the boundary surface and the grinding surface form an acute angle.

[0012] Further, the first indication layer and the second indication layer are wedge-shaped, and the first indication layer and the second indication layer have different colors.

[0013] Further, the upper jaw appliance and the upper jaw pad block are of one-piece structure, and the lower jaw appliance and the lower jaw pad block are of one-piece structure.

[0014] Further, the upper jaw pad block is concave at the end, forming the guide sliding groove;The lower jaw pad block is convex at the middle position of the end, forming the guide sliding block matched with the guide sliding groove.

[0015] Further, the upper jaw appliance and / or the lower jaw appliance is a membrane.

[0016] Further, the plurality of pad blocks are distributed at the molar and premolar of the upper jaw appliance and / or the lower jaw appliance.

[0017] Further, the upper jaw corrector and the lower jaw corrector are respectively provided with at least two groups of the pads on the left and right sides, and are arranged in left-right mirror image, and are asymmetrically arranged if necessary.

[0018] The technical scheme further discloses a pad arrangement mode, equivalent numbers of pads are arranged on the left and right sides of the upper jaw corrector and the lower jaw corrector, multi-point contact is formed, the stability of the upper jaw corrector and the lower jaw corrector in the occlusion state is effectively increased, and then jaw bone displacement caused by unstable occlusion of the upper and lower jaw bones is avoided.

[0019] The technical effect of the present application is that:

[0020] 1. The guide structure of the pad enables only one upper and lower occlusion relationship when the upper and lower teeth are in the rest position. When the upper and lower jaw bones are bound, the influence of the force of the corrector on the teeth on the stability of the jaw bones is extremely small.

[0021] 2. The pad enables the upper and lower jaw teeth to be separated after the operation, avoids individual teeth from being in contact to form a fulcrum, and then avoids jaw bone displacement caused by unstable occlusion of the upper and lower jaw bones.

[0022] 3. The guide structure of the pad enables the upper and lower teeth to be corrected together, and avoids jaw bone displacement caused by intermaxillary traction.

[0023] 4. The color distribution of the grinding surface of the guide sliding block can be used to intuitively and accurately judge the grinding condition of the pad. In the orthodontic treatment process after the orthognathic operation, different colors of the grinding surface can be ground according to the guide structure during the reexamination, the thickness of the guide sliding block is accurately controlled, and then the opening degree is accurately controlled.

[0024] 5. The multi-point balanced contact of the pad further increases the stability of the occlusion state, and avoids jaw bone displacement caused by unstable occlusion of the upper and lower jaw bones. BRIEF DESCRIPTION OF DRAWINGS

[0025] The present application will be further described in detail below in combination with the drawings and specific embodiments:

[0026] Figure 1 is a schematic diagram of the use effect of the device of the present application;

[0027] Figure 2 is a schematic diagram of the side structure of the device of the present application in the occlusion state;

[0028] Figure 3 is a schematic diagram of the guide structure of one embodiment of the device of the present application along the occlusion direction.

[0029] EXPLANATION OF REFERENCE NUMBERS:

[0030] 100. upper jaw corrector; 200. lower jaw corrector;

[0031] 300. spacer, 310. occlusal gap, 320. upper jaw spacer, 321. guide slot, 330. lower jaw spacer, 331. guide block, 331-a. ground surface, 331-b. first indicator layer, 331-c. second indicator layer, 331-d. interface, 340. guide structure. DETAILED DESCRIPTION

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0033] In order to make the drawing simple, only the parts related to the invention are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown schematically, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one".

[0034] It should be further understood that the term "and / or" used in the present application and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0035] In this paper, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In addition, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0037] As a specific embodiment, as Figure 1 and Figure 2As shown, it is a vertical control device for orthodontic treatment after orthognathic surgery. The device comprises an upper jaw aligner 100 wearable on the upper teeth of a user, a lower jaw aligner 200 wearable on the lower teeth of the user, and a plurality of pads 300 located on the opposite sides of the upper jaw aligner 100 and the lower jaw aligner 200. The pads 300 block the direct contact between the upper jaw aligner 100 and the lower jaw aligner 200, so that there is an occlusal gap 310 between the upper jaw aligner 100 and the lower jaw aligner 200, thereby avoiding the individual teeth from being in contact in advance during the occlusion, forming a fulcrum, and causing the occlusion of the upper jaw aligner 100 and the lower jaw aligner 200 to be unstable.

[0038] In addition, at least one pad 300 is provided with a guide structure 340 in the occlusal direction, for maintaining the upper jaw aligner 100 and the lower jaw aligner 200 in a predetermined relative position in the occlusal state. It should be noted that the occlusal direction refers to the direction in which the lower jaw moves towards or away from the upper jaw after the user wears the device. The occlusal state refers to the state in which the upper jaw aligner 100 and the lower jaw aligner 200 are close to each other and abut. The predetermined relative position refers to the unique relative position of the upper jaw aligner 100 and the lower jaw aligner 200 within the allowable error range in the occlusal state, especially in the vertical plane of the occlusal direction.

[0039] The pads 300 block the direct contact between the upper jaw aligner 100 and the lower jaw aligner 200, avoid the individual teeth from being in contact in advance, form a fulcrum, and cause the upper and lower jaws to be unstable, thereby causing a small amount of displacement of the jaw bones. The guide structure 340 provided on the pads 300 in the occlusal direction makes the upper and lower occlusions unique in the rest position, reducing the influence of the local force of the aligner on the teeth on the stability of the jaw bones. In addition, by providing the guide structure 340, the upper and lower teeth are treated together, avoiding the displacement of the upper and lower jaw bones caused by intermaxillary traction.

[0040] In the accompanying Figure 1 and 2 The opposite sides of the upper jaw aligner 100 and the lower jaw aligner 200 are provided with pads 300, i.e. the upper jaw pads 320 provided on the upper jaw aligner 100 and the lower jaw pads 330 provided on the lower jaw aligner 200. However, in the specific implementation process, the pads 300 can be provided only on the upper jaw aligner 100 or the lower jaw aligner 200. The distribution position of the pads 300 on the upper jaw aligner 100 or the lower jaw aligner 200 can be spaced apart on the molar and premolar, or spaced apart on the incisor or canine.

[0041] When both the maxillary appliance 100 and the mandibular appliance 200 are equipped with pads 300, the guiding structure 340 can be positioned between the maxillary pad 320 and the mandibular pad 330 in the same group. The guiding structure 340 includes a guide groove 321 disposed in the maxillary pad 320 and a guide slider 331 disposed in the mandibular pad 330. The guide slider 331 and the guide groove 321 cooperate in the occlusal direction. In practical applications, the maxillary appliance 100 and the maxillary pad 320 are integrated structures, and the mandibular appliance 200 and the mandibular pad 330 are integrated structures. The end of the maxillary pad 320 is concave to form the guide groove 321; the middle position of the end of the mandibular pad 330 is convex to form the guide slider 331 that cooperates with the guide groove 321. In addition, the cross-section of the guide groove 321 and the guide slider 331 can have various shapes, such as circles, rectangles, triangles, and other polygons.

[0042] like Figure 1 As shown in the attached diagram of this embodiment, the maxillary pad 320 and the mandibular pad 330 are each provided with four pads 300. The maxillary pads 320 are located at the second to last and fourth to last maxillary molars, and correspondingly, the mandibular pads 330 are located at the second to last and fourth to last mandibular molars. By providing an equal number of pads 300 on both sides of the maxillary appliance 100 and the mandibular appliance 200, multi-point contact is formed, effectively increasing the stability of the maxillary appliance 100 and the mandibular appliance 200 in the occlusal state, thereby avoiding minor displacement of the jawbone caused by unstable occlusion of the maxilla and mandible.

[0043] like Figure 3 The diagram shows a cross-sectional view of the guide structure 340 along the engagement direction in this embodiment. Different angled section lines distinguish multiple indicator layers at the guide slider 331. Only four indicator layers are schematically shown: a first indicator layer 331-b and a second indicator layer 331-c located at the end of the guide slider 331. The first indicator layer 331-b and the second indicator layer 331-c have a relatively clear interface 331-d, which intersects with the grinding surface 331-a at an acute angle. Other numbers of indicator layers can also be provided, all within the scope of this patent.

[0044] In practical applications, the upper jaw appliance 100 and the upper jaw pad 320 can be set as one-piece ceramic brackets, and the lower jaw appliance 200 and the lower jaw pad 330 can be set as one-piece ceramic brackets. By injecting different color indicators into the guide sliding block 331 during the processing of the lower jaw appliance 200, the different thickness layers of the guide sliding block 331 have different color combinations after the indicators are dried. Further, the position of the grinding surface 331-a is different, the intersection of the grinding surface 331-a and the boundary surface 331-d changes, and the color distribution of the grinding surface 331-a changes. According to the color distribution of the grinding surface 331-a of the guide sliding block 331, the grinding condition of the pad 300 can be intuitively and accurately judged. During the orthodontic treatment after the orthognathic surgery, the grinding surface 331-a of the guide structure 340 can be ground to different colors during the follow-up visit, the thickness of the guide sliding block 331 can be accurately controlled, and the mouth opening degree can be accurately controlled.

[0045] The device is mainly used in the process of orthodontic treatment after orthognathic surgery. Generally, a patient will have 30-60 pairs of appliances with different quantities during treatment, and each pair is replaced every two weeks. The appliance is divided into an upper jaw appliance 100 and a lower jaw appliance 200. The upper jaw appliance 100 and the lower jaw appliance 200 each have four pads 300, which protrude from the surface of the appliance and are rectangular. The upper jaw pad 320 has a concave center forming a guide sliding groove 321, and the lower jaw pad 330 has a convex center forming a guide sliding block 331 matched with the guide sliding groove 321. The concave and convex can form a guide structure 340, so that the upper and lower jaws form a unique stable locking contact when closed. And because the pad 300 has a certain thickness, there will be a certain gap between the teeth when the upper and lower jaws are closed, which opens the occlusion and separates the early contact teeth. As the early contact teeth are continuously corrected and lowered, the occlusal pad height module of each pair will be continuously lowered until there is none. Finally, the upper and lower jaws are completely occluded and contacted, achieving vertical control of orthodontic treatment.

[0046] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered within the scope of protection of the present application.

Claims

1. A vertical control device for bracketless invisible orthodontic treatment after orthognathic surgery, characterized in that, Used for orthodontic treatment after orthognathic surgery, including: Maxillary appliance; Mandibular appliance; A plurality of pads are provided, located on the opposing sides of the maxillary and mandibular appliances, to create an occlusal gap between the maxillary and mandibular appliances; wherein... At least one of the pads is provided with a guiding structure along the occlusal direction to keep the maxillary appliance and the mandibular appliance in a preset relative position in the occlusal state; The plurality of pads includes a maxillary pad disposed on the maxillary appliance and a mandibular pad disposed on the mandibular appliance, wherein the maxillary pads and mandibular pads correspond one-to-one, and the guiding structure is located between the maxillary pads and mandibular pads in the same group; the guiding structure includes a guide groove disposed on the maxillary pad and a guide slider disposed on the mandibular pad, wherein the guide slider and the guide groove cooperate along the occlusal direction; the guide slider has a grinding surface facing the bottom surface of the guide groove; the end of the guide slider includes at least a first indicator layer and a second indicator layer that overlap sequentially, wherein the first indicator layer and the second indicator layer have an interface that intersects with the grinding surface, and the interface forms an acute angle with the grinding surface.

2. The vertical control device for orthognathic surgery without brackets as described in claim 1, characterized in that, Both the first indicator layer and the second indicator layer are wedge-shaped, and the first indicator layer and the second indicator layer have different colors.

3. The vertical control device for orthognathic surgery without brackets as described in claim 1, characterized in that, The maxillary appliance and the maxillary pad are an integral structure, and the mandibular appliance and the mandibular pad are an integral structure.

4. The vertical control device for orthognathic surgery without brackets as described in claim 1, characterized in that, The end of the maxillary pad is concave to form the guide groove; the center of the end of the mandibular pad protrudes to form the guide block that cooperates with the guide groove.

5. The vertical control device for orthognathic surgery without brackets as described in claim 1, characterized in that, The maxillary appliance and / or the mandibular appliance is a diaphragm.

6. A vertical control device for orthognathic surgery without brackets as described in any one of claims 1-5, characterized in that, Several of the pads are spaced apart at the molars and premolars of the maxillary appliance and / or the mandibular appliance.

7. The vertical control device for orthognathic surgery without brackets as described in claim 6, characterized in that, The maxillary appliance and the mandibular appliance are provided with at least two sets of pads on the left and right sides respectively, and are arranged in a mirror image or asymmetrical arrangement.

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