TW202037342A - Dental brace, tooth correction kit, and manufacturing method of dental brace capable of reducing sequela after correction and enabling tooth to be corrected performing predictable and longer movement without frequent replacement of dental brace - Google Patents

Abstract

The invention provides a dental brace, which is fitted onto the teeth of user, in which the teeth include a tooth to be corrected and a tooth serving as an anchoring point. The dental brace includes a brace body, which encloses and defines a receiving space and includes a notch and an extension portion. The extension portion is protruded with a fastening block. The notch is opened at a location corresponding to the tooth to be corrected. The extension portion is disposed at a location corresponding to the tooth serving as an anchoring point. The invention further provides a tooth correction kit, which includes a dental brace described as above, a connector, and an elastic member. The invention also provides a manufacturing method of dental brace described as above. Thus, during the process of tooth correction, the invention only requires to move the tooth to be corrected, which may reduce the sequela after correction, and may utilize the design of the notch, such that the tooth to be corrected may be performed with predictable and longer movement without frequent replacement of dental brace.

Description

Braces, orthodontic components and method for making braces

The invention relates to a kind of medical equipment, in particular to a kind of braces, orthodontic components and methods for making braces.

In the process of dental treatment or correction, there are many situations that require extraction of teeth, such as treatment-related conditions such as tooth decay, tooth fracture or periodontal disease, or correction-related conditions such as insufficient gum space and incorrect dentition. Neatness or other aesthetic considerations. After the tooth is extracted, other teeth need to be moved to fill the vacancy left after the tooth is extracted, or to start the correction treatment. Because people emphasize aesthetics nowadays, in the subsequent process of moving teeth, most of them choose invisible braces as the main tool for moving teeth.

However, the invisible braces on the market can only move about 0.3 to 0.4 mm each time during the tooth movement. On average, each user needs to use about 50 to 100 pairs of invisible braces during the tooth movement, which costs the user. A lot of money also causes unnecessary waste. Furthermore, in the process of moving the teeth, the invisible braces often drive multiple teeth to move together, so that the teeth that do not need to be moved are moved, resulting in many sequelae such as tilting or rotation of the teeth.

In view of this, the object of the present invention is to provide a brace, an orthodontic component, and a method for making a brace. The braces made by the braces, the orthodontic component and the manufacturing method can complete teeth without frequent replacement of the braces Mobile treatment or correction, and only specific teeth can be moved during the correction process to reduce correction sequelae.

In order to achieve the foregoing objective, the present invention provides a brace that is set on a user's teeth, the tooth includes a tooth to be corrected and an anchor point tooth, the brace includes a set body, and the set body is surrounded by a housing Space, the sleeve body has a notch formed by the edge concave and an extension part protruding from the edge, the extension part protrudes a fixed block, the notch is opened corresponding to the position of the tooth to be corrected, the extension part Set the position corresponding to the anchor point tooth.

In order to achieve the foregoing objective, the present invention provides an orthodontic assembly comprising a brace as described above, a connecting member and an elastic member, the connecting member has a fixed portion and a traction portion extending from the fixed portion, Two ends of the elastic member are respectively connected with the fixed block and the traction part.

In order to achieve the foregoing objective, the present invention also provides a method for manufacturing the aforementioned braces, including the following steps: (a) taking a three-dimensional image of the user's dentition before correction; (b) simulating the three-dimensional image of the user's dentition after correction Figure; (c) compare the user's three-dimensional image of the dentition before correction and the simulated three-dimensional image after the correction, and draw up the movement route of the tooth to be corrected; and (d) simulate the movement according to the movement route. The required displacement track when the tooth to be corrected moves, the position and size of the notch that needs to be reserved, and the position of the extension corresponding to the notch.

Through the above-mentioned structure and technical features, the braces, orthodontic components and braces produced by the method of making the braces provided by the present invention can be completed by using at least one pair of braces during the entire treatment and correction process. The treatment or correction of tooth movement does not require frequent replacement of the braces, which can save a lot of costs and reduce the waste of materials. During the correction process, only the tooth to be corrected can be moved, and the other anchor points as the fulcrum end will not move together, reducing The sequelae after correction does not require the installation of bone nails as a fixing means, which can effectively reduce the discomfort of the user.

Please refer to Figures 1 to 3, which are the braces 10 and the orthodontic assembly 20 containing the braces 10 provided by a preferred embodiment of the present invention, wherein the braces 10 are sleeved on the teeth of users, and the users’ The teeth include a tooth to be corrected 101 and an anchor point tooth 102. The tooth to be corrected 101 refers to the tooth that the user will move during the current orthodontic process, and the anchor point tooth 102 is One or more teeth that provide a fixed position and strength during orthodontics. To facilitate the description of the technical features of the braces 10 and the orthodontic assembly 20, the upper and lower sides of the angle of view in Figure 1 are used as the upper and lower sides of the braces 10 and the orthodontic assembly 20, and the braces 10 and The orthodontic assembly 20 is used for the lower teeth of the user as an example, so it is understandable that when the braces 10 and the orthodontic assembly 20 are used for the upper teeth of the user, the braces 10 are described. And the upper and lower positions of the technical features of the orthodontic assembly 20 should be reversed.

The mouthpiece 10 includes a sleeve body 12, an accommodating space 14 surrounded by the sleeve body 12, a notch 16 recessed upward from a side edge of the sleeve body 12, and an extension 18 formed by the sleeve body 12 One side edge of the body 12 protrudes downward, and the sleeve body 12 is sleeved on the user's lower row of teeth so that the user's lower row of teeth can be accommodated in the accommodating space 14, and the extension 18 further protrudes There is a fixing block 182, the notch 16 is opened corresponding to the position of the tooth 101 to be corrected, and the extension part 18 is provided corresponding to the position of the anchor point tooth 102.

The sleeve body 12 has a wall 121 forming the notch 16. As shown in Figure 1, one of the sections of the sleeve body 12 (that is, the area roughly enclosed by the dotted line in the figure) is adjacent to the The section of the wall edge 121 forms a displacement track 122, and one side of the displacement track 122 is the wall edge 121. As shown in Figures 2 and 3, the vertical distance α between the wall edge 121 of the sleeve body 12 and the crown top of the tooth to be corrected 101 is about 2 to 4 cm, so that the outer side of the crown of the tooth to be corrected 101 is not It is completely covered by the sleeve body 12, but is partially exposed in the notch 16, and the position of the fixing block 182 corresponds to the center of resistance point of the anchor point tooth 102 where the extension portion 18 is located. Among them, the center of resistance is an important concept in orthodontics. It refers to the center of mass of a tooth. When the orthodontic force is applied to pass through the center of resistance, the tooth will only translate and not There is a rotation. Therefore, when the fixing block 182 is pulled during the correction process, it can provide fixation and fixation through the overall structure of the sleeve body 12 covering the user's teeth and the anchor point teeth 102 corresponding to the extension portion 18 Strength, and achieve the effect of not easy to move. Furthermore, when the anchor point tooth 102 is a plurality of teeth, the resistance center point of the anchor point tooth 102 will be located on the connecting extension line of the respective resistance center points of the plurality of teeth.

In practice, in order to facilitate the correction operation, the positions of the notch 16, the extension portion 18 and the fixing block 182 are preferably located outside the user's teeth, but are not limited to this. Wherein, the sleeve body 12 is made of transparent and hard materials, such as PET, PET-G, TPU-PET-G, PE, EVA, PC or PVC, but any other transparent materials can be used for making The sleeve body 12 and the thickness of the sleeve body 12 are between 0.25 to 0.6 inches, which is approximately equal to 0.625 to 1.5 cm, so as to make the sleeve body 12 more rigid and stable.

Please refer to FIGS. 1 to 3 again. The orthodontic assembly 20 includes the aforementioned brace 10, a connecting member 30 and an elastic member 40. The connecting member 30 has a fixed portion 32 and a traction portion 34 protruding from the fixed portion 32, and the fixed portion 32 is fixed on the outer side of the crown of the tooth 101 to be corrected. In practice, the connecting member 30 can use common dental equipment, such as buttons, but it is not limited to this. Two ends of the elastic member 40 are respectively connected to the fixing block 182 and the traction portion 34, and the retracting force of the elastic member 40 is used to pull the tooth 101 to be corrected to move toward the fixing block 182. In this embodiment, the elastic member 40 is a rubber band, the two ends of which are respectively sleeved on the fixing block 182 and the traction portion 34. In other possible embodiments, the elastic member 40 can be replaced with other tools. Elastic components with the same effect. The vertical distance β between the center position of the traction part 34 and the wall edge 121 is about 2 cm, which is convenient for the physician to fix the connecting member 30 on the crown of the tooth 101 to be corrected, and to subsequently set the elastic member 40, etc. Corrective homework.

In this embodiment, the tooth to be corrected 101 is a right lower canine, and the anchor point tooth 102 is a right lower molar. The tooth to be corrected 101 can be moved in the direction of the anchor tooth 102 by the pulling force of the elastic member 40 The sleeve body 12 is displaced in the displacement track 122. In this case, the notch 16 is opened beside the lower canine tooth on the right side and below the displacement track 122, and the extension portion 18 extends downward to the lower right side. At the center of the resistance force of the molar tooth, since the fixing block 182 is fixed to the outer edge of the extension portion 18, the pulling force of the elastic member 40 does not affect the right lower molar tooth. In other possible embodiments, the notch 16 can be opened beside any tooth to be corrected 101 that needs to be moved, and the extension part 18 can be correspondingly arranged beside the anchor point tooth 102 of any corresponding fixed point.

Except for this embodiment, for example, when the tooth 101 to be corrected is the upper canine tooth on the right side, or the upper canine tooth or lower canine tooth on the left side, the notch 16 is correspondingly opened beside the upper canine tooth on the right side, the upper canine tooth on the left side, or the lower canine tooth on the left side. The corresponding anchor point teeth 102 are usually right upper molars, right upper molars, or right lower molars, and the extension 18 is correspondingly arranged beside the right upper molars, right upper molars or right lower molars. However, it needs to be specifically explained that the tooth 101 to be corrected can also be a large molar, a small molar or even an incisor. Through the description of the above embodiments, a person with ordinary knowledge in the art can easily find out the corresponding tooth 101 The anchor points are teeth 102. For example, when the tooth to be corrected 101 is a large molar, the anchor point tooth 102 can usually correspond to a small molar or a canine tooth; when the tooth to be corrected 101 is a small molar, the anchor point tooth 102 can usually correspond to a large molar or canine tooth; When the tooth to be corrected 101 is an incisor, the anchor point tooth 102 usually corresponds to a canine tooth or a small molar. According to the difference of the tooth 101 to be corrected, the notch 16 can be correspondingly arranged beside the molar, small molar or incisor, and the extension part 18 can also be correspondingly arranged on the molar, small molar or incisor.

Please refer to Figure 4, which is an orthodontic assembly 50 provided by another embodiment of the present invention. Its structure is roughly the same as that of the orthodontic assembly 20. The only difference is that the orthodontic assembly 50 has a connecting member 60. The piece 60 has a fixed portion 62 and a traction portion 64 extending downward from the fixing portion 62, the fixing portion 62 is fixed on the outer side of the crown of the tooth 101 to be corrected, and the traction portion 64 is in the shape of a hook. There is a predetermined distance between the fixing portion 62 and the end of the traction portion 64, so that when the fixing portion 62 is fixed on the crown of the tooth 101 to be corrected, the traction portion 64 can be exactly positioned on the tooth 101 to be corrected. The center of resistance point, the distance γ between the end of the traction portion 64 and the crown of the tooth 101 to be corrected is about 3 to 5 cm, and the elastic member 40 is actually hooked on the traction portion 64 The distance between the position and the end of the traction part 64 is no more than 1 cm. In this way, when the traction portion 64 receives the pulling force of the elastic member 40 to pull the tooth 101 to be corrected, the pulling force can be evenly dispersed on the tooth to be corrected 101 for translation, and the displacement of the tooth to be corrected 101 is reduced. The probability of dumping. In practice, the connector 60 can use common dental equipment, such as a crimpable hook, but it is not limited to this.

The method of manufacturing the aforementioned dental mouthpiece 10 provided by the present invention is shown in FIG. 5, which includes the following steps.

First, take a three-dimensional image of the user's dentition before correction, as shown in Figure 6. Then, based on the three-dimensional image of the dentition before correction, computer software is used to simulate the user's three-dimensional image of the dentition after correction. ; Then compare the user's three-dimensional image of the dentition before correction and the three-dimensional image of the simulated dentition after the correction, and draw up the movement route of the tooth to be corrected 101 (taking canine teeth as an example), as shown in Figure 7 , This movement route map is a movement track formed by combining at least 40 tooth movement points; finally, according to the movement route map, the displacement track 122 required for the movement of the tooth to be corrected 101 is simulated and the recess required for opening When the position and size of the mouth 16 are adjusted according to the elastic member 40 to pull the tooth 101 to be corrected, the extension portion 18 and the fixing block 182 are provided at the required fixing end points. Among them, the above-mentioned three-dimensional dentition image diagram, movement route diagram, simulated three-dimensional image diagram or comparison diagram can be drawn by using commercially available software, such as 3Shape or inteware.

After completing the above steps, the brace 10 can be fitted into the user's teeth, and the fixing portions 32, 62 of the connecting members 30, 60 can be fixed to the crown of the tooth 101 to be corrected.

Finally, the two ends of the elastic member 40 are respectively sleeved into the fixing block 182 and the traction portions 34, 64, and the retracting force of the elastic member 40 is used to pull the tooth 101 to be corrected. Figures 2 and 4 show the A diagram of the state of use after the brace and the orthodontic assembly 20 are installed. The three-dimensional image of the dentition after treatment and correction is shown in Figure 8.

Through the above-mentioned structure and technical features, the braces 10, the orthodontic components 20, 50 containing the braces 10, and the method for manufacturing the braces 10 provided by the present invention utilize the braces 10 and the orthodontic components 20, 50 for correction. During the correction process, only the teeth that need to be moved can be moved, while maintaining the other teeth as the fulcrum end not to move together during the correction process, thereby reducing the sequelae after correction, and there is no need to install bone nails as a fixing means during the correction process. Can effectively reduce the discomfort of users. Please refer to Figure 9. According to the applicant’s research, after overlapping the three-dimensional images of the user's dentition before and after correction (Figures 6 and 9), it can be found that only the tooth 101 (canine teeth, gray) to be corrected is indeed Move, while the other teeth have almost no displacement (the displacement is less than plus or minus 1 cm). Through the notch 16 on the brace 10 and the displacement track 122, the tooth to be corrected 101 can rely on the guide of the displacement track 122 during the moving process, so that the tooth to be corrected 101 can move predictably and for a longer distance. Therefore, there is no need to replace the braces frequently as in the conventional technology. In the entire treatment and correction process, at least one pair of braces can be used to complete the treatment or correction of tooth movement, which can save a lot of costs and reduce the cost of materials. waste.

It must be noted here that the above detailed description in conjunction with the drawings is only to illustrate the technical content and features of the present invention to provide an embodiment. Anyone who has general knowledge in the field of the present invention should understand the present invention. After the technical content and features, without departing from the spirit of the present invention, all simple modifications, replacements, or component reductions should fall within the scope of the patent application disclosed in the present invention.

10: Braces 101: teeth to be corrected 102: anchor point tooth 12: sleeve body 121: Displacement track 122: Wall edge 14: accommodating space 16: notch 18: Extension 182: Fixed block 20: Orthodontic components 30: connecting piece 32: fixed part 34: Traction Department 40: Elastic part 50: Orthodontic components 60: connecting piece 62: fixed part 64: Traction Department α: distance β: distance γ: distance

Figure 1 is a schematic diagram of a brace and an exploded view of an orthodontic component provided by an embodiment of the present invention; Figure 2 is a schematic diagram of the use of braces and orthodontic components provided by an embodiment of the present invention; Figure 3 is a partial enlarged schematic view of a notch provided by an embodiment of the present invention; Figure 4 is a schematic diagram of the use of braces and orthodontic components provided by another embodiment of the present invention; Figure 5 is a flow chart of the method for making the aforementioned braces provided by the present invention; Figure 6 is a three-dimensional image of the user's dentition before correction; Figure 7 is a schematic diagram of the moving route of the tooth to be corrected; Figure 8 is a three-dimensional image of the user's dentition after correction; Figure 9 is an overlay comparison of the three-dimensional images of the user's dentition before and after correction.

10: Braces

101: Teeth to be corrected

102: Anchor Point Teeth

12: Cover body

121: displacement track

16: Notch

18: Extension

182: fixed block

20: Orthodontic components

30: connection

40: Elastic part

Claims (12)

A brace is set on the teeth of a user. The tooth includes a tooth to be corrected and an anchor point tooth. The brace includes: A sleeve body, the sleeve body is surrounded by an accommodating space, the sleeve body has a notch formed by the edge concave and an extension part protruding from the edge, the extension part protrudes a fixing block, the The notch is set corresponding to the position of the tooth to be corrected, and the extension part is set corresponding to the position of the anchor point tooth. The brace according to claim 1, wherein the set system is made of any one or more of PET, PET-G, TPU-PET-G, PE, EVA, PC or PVC. The brace according to claim 1, wherein the thickness of the brace body is between 0.25 and 0.6 inches. The dental mouthpiece according to claim 1, wherein the housing body has a wall edge forming the notch, and the vertical distance between the wall edge and the crown top of the tooth to be corrected at the opening of the notch is 2 to 4 cm. The dental mouthpiece according to claim 1, wherein the sleeve body has a wall edge, the wall edge forms the recess, and the section of the sleeve body adjacent to the wall edge forms a displacement track. The dental mouthpiece according to claim 1, wherein the fixing block is located at the center of resistance of the anchor point tooth where the extension portion is provided. An orthodontic component that contains: The braces as described in claim 1; A connecting piece having a fixed portion and a traction portion extending from the fixed portion; and An elastic piece, two ends of which are respectively connected with the fixed block and the traction part. The dental mouthpiece according to claim 7, wherein the sleeve body has a wall edge forming the notch, and the vertical distance between the center position of the traction part and the wall edge is 2 cm. The brace according to claim 7, wherein the fixing portion is fixed on the crown of the tooth to be corrected at the opening of the notch, and the traction portion is located at the center of resistance of the tooth to be corrected at the opening of the notch. resistance). The brace according to claim 7, wherein the distance between the end of the traction part and the crown of the tooth to be corrected where the notch is opened is 3 to 5 cm. A method for making braces as described in claim 1, including the following steps: (A) Take a three-dimensional image of the user's dentition before correction; (B) Simulate the three-dimensional image of the dentition after the user has completed the correction; (C) Compare the user's three-dimensional image of the dentition before the correction and the simulated three-dimensional image after the correction, and draw up the movement route of the tooth to be corrected; (D) According to the movement route map, simulate the required displacement track when the tooth to be corrected moves, the position and size of the notch that needs to be reserved, and the position of the extension corresponding to the notch. The correction method according to claim 11, wherein the movement route map of the tooth to be corrected is a movement track formed by combining at least 40 tooth movement points.

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