TWI784534B - Orthodontic appliance, manufacturing device and method thereof - Google Patents

Abstract

[Problem] Provide a device for manufacturing orthodontic appliances that can prevent teeth from being depressed, restore the depressed teeth to their original shape, and correct the dentition. [Solution] A device for manufacturing orthodontic tools for correcting individual teeth in the upper or lower dentition, equipped with a predetermined setting for detecting the occlusal portion of the upper and lower dentition, and applying pressure in the vertical direction A position detecting unit (21), and an opening forming unit (23) forming an opening at a portion of the orthodontic tool body corresponding to a predetermined position based on a detection result detected by the detecting unit (21).

Description

Orthodontic appliance, manufacturing device and method thereof

The present invention relates to an orthodontic tool for moving each tooth of the dentition in a direction to be aligned, or for preventing the moved teeth from returning to their original shape, its manufacturing device and method.

Conventionally, appliances for correcting the dentition include, for example, braces installed on the dentition. The mouthpiece described above is shaped to cover the entirety of the upper or lower dentition. That is to say, the above-mentioned mouthpiece has an open outer frame. When it is inserted into the oral cavity and installed on the user's dentition arch (dental arch), the tooth engaging member gives the dental arch correction force (for example, refer to the patent Literature 1). [Prior Art Literature] [Patent Document]

Patent Document 1: Japanese Patent No. 5705794

[Problem to be solved by the invention]

However, each individual patient for orthodontics appropriately applies pressure in the vertical direction by occlusalizing the above-mentioned internal teeth. At this time, when the braces are installed on the upper and lower inner teeth of the patient, only a gap of the thickness of the braces is formed. Therefore, there is a problem of causing the tooth to settle down by only the amount of its thickness.

In addition, when the above-mentioned braces are installed on the dentition for correction, the above-mentioned depression may already occur on a part of the teeth. At this time, it is necessary to restore the depressed tooth to its original shape.

The present invention is developed in view of such problems, and aims to provide an orthodontic appliance capable of preventing tooth depression, restoring the depressed teeth to the original shape, and correcting dentition, as well as its manufacturing device and method. [Means used to solve the problem]

In order to achieve the related subject, the present invention is an orthodontic appliance manufacturing device for correcting individual teeth of the upper dentition or the lower dentition, characterized by comprising: a detection unit for detecting the teeth of the upper dentition and the lower dentition. The occlusal part of the part, the predetermined position where the pressure in the vertical direction is applied, and the opening forming part form an opening at the part of the orthodontic tool body corresponding to the predetermined position based on the detection result detected by the detection part.

In addition, in the present invention, the detecting unit is characterized in that it detects the predetermined position based on image data scanned in the oral cavity.

In addition, the present invention is a method of manufacturing an orthodontic appliance for correcting individual teeth of the upper dentition or the lower dentition, characterized by comprising: a detection step of detecting the occlusion of the upper dentition and the lower dentition a predetermined position to which pressure in the vertical direction is applied, and an opening forming step of forming an opening at a portion of the orthosis body corresponding to the predetermined position based on the detection result detected by the detection step.

Furthermore, the present invention is a method of manufacturing an orthodontic appliance for correcting individual teeth of the upper dentition or the lower dentition, wherein the upper orthodontic appliance is respectively corrected for the upper dentition and the lower dentition. The main body and the main body of the mandibular orthodontic appliance are formed by installing the above-mentioned upper jaw orthodontic appliance main body and the above-mentioned lower jaw orthodontic appliance main body on the upper jaw dentition part and the lower jaw dentition part respectively, and clamping the upper jaw orthodontic appliance main body and the lower jaw orthodontic appliance main body. Insert the occlusal paper for occlusion, and then remove the main body of the maxillary orthodontic appliance and the main body of the mandibular orthodontic appliance from the upper dentition and the lower dentition, respectively, and perform hole processing to form openings according to the colored parts of the occlusal paper.

Also, the present invention is an orthodontic appliance comprising an orthodontic appliance main body installed to cover the maxillary dentition or the mandibular dentition, each of the upper dentition and the lower dentition is corrected by the orthodontic appliance main body. A tooth, wherein the orthodontic tool main body is an orthodontic tool in which an opening is formed at an occlusal portion of the upper dentition portion and the lower dentition portion, including a predetermined position of the occlusal portion.

Further, in the present invention, the predetermined position of the occlusal portion is characterized by a position where pressure in a vertical direction is applied when the upper dentition portion and the lower dentition portion occlude.

Furthermore, in the present invention, the opening portion is characterized by being a portion corresponding to the occlusal portion among the occlusal portion and the cleft portion formed in the upper dentition portion and the lower dentition portion.

In addition, in the present invention, the above-mentioned opening is characterized by being formed at a position corresponding to a position higher than a plane on which each tooth is set.

In addition, in the present invention, it is characterized in that it is formed at a position corresponding to a position higher than a plane defined by the entirety of the above-mentioned upper jaw dentition part or the above-mentioned lower jaw dentition part.

In addition, in the present invention, the above-mentioned openings are characterized by being formed at positions corresponding to at least one tooth apart. [Invention effect]

According to the present invention, it is possible to easily manufacture an orthodontic appliance. The orthodontic appliance detects the occlusal portion of the upper jaw dentition and the lower jaw dentition by the detection unit, and the predetermined position to which the pressure in the vertical direction is applied is obtained. The portion of the main body of the orthodontic tool corresponding to the predetermined position is formed with an opening by the opening forming portion, thereby preventing the tooth from being depressed, and restoring the depressed tooth to its original shape, thereby correcting the dentition.

In addition, according to the present invention, the detection unit detects the predetermined position based on the scanned image data in the oral cavity, so as to reliably detect the teeth that are prevented from being depressed and the teeth that have been depressed, and precisely form the opening of the main body of the orthodontic appliance.

Also, according to the present invention, it is possible to easily manufacture an orthodontic appliance, which has a detection step of detecting a predetermined position where pressure in a vertical direction is applied to the occlusal portion of the upper dentition and the lower dentition. , and an opening forming step of forming an opening at a portion of the orthodontic appliance body corresponding to a predetermined position according to the detection result detected in the detection step, thereby preventing the teeth from being depressed, and restoring the depressed teeth to their original shape for orthodontics.

Also, according to the present invention, the main body of the upper orthodontic appliance and the main body of the orthodontic lower jaw are formed, the main body of the orthodontic upper jaw and the main body of the orthodontic lower jaw are respectively installed on the upper jaw dentition part and the lower jaw dentition part, and the main body of the upper orthodontic appliance and the lower jaw orthodontic appliance are respectively installed. The occlusal paper is sandwiched between the main bodies for occlusion, and then the upper and lower jaw orthodontic appliance main bodies are removed from the upper and lower jaw dentition parts respectively, and the opening is formed by drilling according to the colored parts of the occlusal paper. It prevents depressed teeth and precisely forms an opening for restoring the depressed teeth to their original shape.

Also, according to the present invention, the main body of the orthodontic tool is the occlusal portion of the upper dentition and the lower dentition, and the opening is formed at a predetermined position including the occlusal portion, thereby preventing the teeth corresponding to the portion where the opening is formed. Press down, and the pressed teeth can be restored to their original shape for orthodontics.

Also, according to the present invention, the predetermined position of the occlusal part is the position where the pressure in the vertical direction is applied when the upper dentition part and the lower dentition part occlude, so that the teeth at the position are prevented from being pressed down and can be pressed down. teeth restored to their original shape.

Also, in the present invention, the opening part is a part corresponding to the occlusal part among the occlusal part and the cleft part formed in the maxillary dentition part and the mandibular dentition part, so as to prevent the teeth corresponding to the part where the opening part is formed. Press, and can restore the pressed tooth to its original shape.

Also, in the present invention, the opening is formed at a position corresponding to a position higher than the plane where each tooth is set, thereby preventing the tooth from pressing down corresponding to the position where the opening is formed, and recovering the pressed tooth. undisturbed.

Also, in the present invention, the opening is formed at a position corresponding to a position higher than a plane set in the entire upper dentition or the lower dentition, thereby preventing the teeth corresponding to the position where the opening is formed. Press down, and the pressed teeth can be restored to their original shape.

Also, according to the present invention, the opening is formed at a position corresponding to at least one tooth apart, so that the mechanical strength of the main body of the orthodontic tool can be prevented from being deteriorated in advance.

Hereinafter, an embodiment of the orthodontic appliance related to the present invention will be described. [One embodiment of orthodontic appliance] 1 to 4 show an embodiment of an orthodontic appliance related to the present invention.

Fig. 1 is a perspective view showing a state in which an orthodontic appliance according to an embodiment of the present invention is attached to a maxillary dentition part and a mandibular dentition part. Fig. 2 is a plan view showing a mandibular orthodontic appliance main body of an orthodontic appliance according to an embodiment of the present invention. Fig. 3 is a sectional view taken along line III-III of Fig. 2 . FIG. 4 is an enlarged view of part A of FIG. 3 .

In addition, in the following embodiments, it is described that the orthodontic appliance as the main body of the orthodontic appliance is inserted into the oral cavity, and is installed in the upper and lower dentition parts respectively. The side is the posterior side, the tongue side is the inner side, and the cheek side is the outer side. Here, the front teeth are incisors, and include left and right central incisors, left and right side incisors, and left and right canines. The inner teeth are molars, including left and right first and second premolars, and left and right first to third molars.

In addition, in the following embodiments, an upper jaw orthodontic appliance as a main body of an upper jaw orthodontic appliance and a lower jaw orthodontic appliance as a main body of a lower jaw orthodontic appliance are respectively installed on the upper jaw dentition part and the lower jaw dentition part, and these upper jaw orthodontic appliances will be briefly described. Orthodontic appliances and mandibular orthodontic appliances will be described as orthodontic appliances.

As shown in Figures 1 and 2, the orthodontic tool 10 of this embodiment has an upper jaw orthodontic tool 12 and a lower jaw orthodontic tool 13, and the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13 are respectively inserted into the oral cavity 1 and installed in Mouthpiece type for upper dentition 2 and lower dentition 3. The upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 of this embodiment are respectively installed on the upper jaw dentition part 2 and the lower jaw dentition part 3 to expand the upper jaw dentition part 2 and the lower jaw dentition part 3 laterally, so that the upper 2 and each tooth of the mandibular dentition part 3 moves toward the direction that should be aligned, or prevents the moved teeth from returning to their original shape.

In addition, the correction in this embodiment includes not only moving each tooth in the direction to be aligned, but also keeping the moved teeth without returning to their original shape by the correction. The following embodiments are described for the case where individual teeth are moved in the direction to be aligned and corrected.

The orthodontic appliance 10 of this embodiment is made of a resin material having the same elastic modulus as a whole, and is integrally formed with a uniform thickness of, for example, 1 mm. Specifically, the resin material is selected from, for example, polyurethane resin such as polyurethane, silicone resin, polyolefin resin, styrene resin, acrylic resin, and the like. The above-mentioned resin material is preferably colorless, transparent or milky white. Therefore, when inserted into the oral cavity 1, it is not conspicuous installed on the upper dentition 2 and lower dentition 3, and has excellent aesthetics. The upper orthodontic tool 12 and the lower jaw orthodontic tool 13 are moldings (levelers) shaped to move in the direction in which the teeth of the upper dentition 2 and the lower dentition 3 are aligned. The orthodontic appliance 10 is, for example, prepared in stages with a plurality of different sizes or different hardnesses, and these are regularly replaced for orthodontic treatment.

The upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 have all the teeth covering the upper jaw dentition 2 and the lower jaw dentition 3 in the oral cavity 1, that is, the front teeth 4 and the inner teeth of the upper jaw 2 and the lower jaw dentition 3. The tooth 5 has a hardness to maintain a predetermined shape. The upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 are respectively formed to cover the teeth serving as the occlusal part of the anterior teeth 4 and the inner teeth 5 along the shape of the dentition arch (dental arch) of the upper jaw dentition part 2 and the lower jaw dentition part 3. The crown 6 extends to the dentition 8 on the side of the dentition 7 .

In the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13 , an opening 15 is formed at a predetermined position of the tooth crown part 6 including the occlusal part of the upper jaw dentition part 2 and the lower jaw dentition part 3 . The predetermined position of the tooth crown portion 6 is a position where pressure in the vertical direction is applied when the upper dentition portion 2 and the lower dentition portion 3 occlude.

The opening part 15 is a part corresponding to the biting part 9 a among the biting part 9 a and the cleft part 9 b of the maxillary dentition part 2 and the mandibular dentition part 3 . That is, the opening 15 is formed at a position corresponding to a position higher than a plane set by each tooth (a plane set based on the average height of the teeth). Alternatively, the opening 15 is formed on a plane set corresponding to the entirety of either the upper dentition 2 or the lower dentition 3 (the entirety of any one of the upper dentition 2 and the lower dentition 3). The location where the average height of the plane) is high. In addition, the plane set by each of the above-mentioned teeth is set based on, for example, the average height of the teeth. Also, one plane set by the entire upper dentition 2 or lower dentition 3 is, for example, a plane set based on the average height of either one of the upper dentition 2 and the lower dentition 3 as a whole.

Specifically, the predetermined position of the tooth crown part 6 is when each tooth moves slowly toward the direction to be aligned, in the case of preventing the downward pressure of the inner teeth 5 of the molars in advance, the upper jaw dentition part 2 and the lower jaw dentition part 3 When occlusal, a force in the vertical direction is applied to increase the occlusal pressure. And, the above-mentioned pressing down is to press the tooth into the alveolar bone. The position where the above-mentioned force in the vertical direction is applied is the bite portion 9a of the bite portion 9a and the cleft portion 9b of the upper jaw dentition portion 2 and the lower jaw dentition portion 3 . Also, the position where the force in the vertical direction is applied corresponds to a position higher than the plane where each tooth is set. Also, the position where the force in the vertical direction is applied corresponds to a position higher than a plane set by the entire upper dentition part 2 or lower dentition part 3 .

In the orthodontic appliance 10 of this embodiment, an opening 15 is formed at a portion corresponding to the biting portion 9a. Here, in the present embodiment, the tooth at which the occlusal pressure increases is the occlusal portion 9a among the occlusal portion 9a and the slit portion 9b, but not limited to this, the slit portion 9b may also be included. Also, the opening 15 corresponds to a position higher than the plane defined by each tooth, or a position corresponding to a position higher than a plane defined by the entire upper dentition 2 or lower dentition 3 .

Next, the operation of the orthodontic appliance 10 of this embodiment will be described.

When the orthodontic appliance 10 is used as a leveler, each tooth is gradually moved in a direction to be aligned. At this time, in order to prevent the teeth having the occlusal portion 9a, the teeth set at a position higher than the plane of each tooth, or the position higher than a plane set at the upper jaw dentition 2 or the lower jaw dentition 3 as a whole, The depression of the teeth is performed at a portion corresponding to the biting portion 9a of the orthodontic appliance 10, at a position corresponding to a position higher than the plane set on each tooth, or at a position corresponding to a position higher than the upper dentition 2 or the lower dentition 3 as a whole. The opening 15 is formed in advance at a position where one plane height is set.

The upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 are respectively installed on the upper jaw dentition 2 and the lower jaw dentition 3 in the oral cavity 1 to cover the crowns 6 of all the teeth. At this time, the opening 15 is inserted into the bite portion 9a, a tooth that is higher than a plane set by each tooth, or a tooth that is higher than a plane set by the upper dentition 2 or the lower dentition 3 as a whole. , so that the pressure in the vertical direction only reduces the thickness of the occlusal portion of the orthodontic appliance 10, which can prevent the teeth with the occlusal portion 9a, the position higher than the plane set by each tooth, or the teeth that are higher than the upper dentition 2 or lower teeth. The depression of the tooth 5 at the position of a planar height set by the whole of the row part 3 is not in the bud.

Furthermore, the orthodontic appliance 10 of this embodiment may be used as a fixture in such a manner that the moved teeth do not return to their original shape after being moved in the alignment direction. Here, among the internal teeth 5 of the molars, if there is a depressed internal tooth 5 , no force in the vertical direction is applied to the internal teeth 5 . The orthodontic appliance 10 of this embodiment can also restore the depressed internal teeth 5 to their original positions as described above.

Specifically, the orthodontic appliance 10 compares the original height data of the undepressed teeth with the current height data after the depression for the upper dentition 2 and the lower dentition 3 in the oral cavity 1, and finds that According to the comparison data, an opening 15 is formed at the position of the orthodontic appliance 10 corresponding to the position of the inner tooth 5 after pressing down, so that the inner tooth 5 after pressing can be restored to its original position.

As described above in the orthodontic appliance 10 according to this embodiment, the orthodontic appliance 10 is the tooth crown portion 6 of the occlusal portion of the upper jaw dentition portion 2 and the lower jaw dentition portion 3 . The opening 15 is formed in the part, which prevents the teeth corresponding to the position where the opening 15 is formed from being depressed, and restores the depressed teeth to their original shape, so that the dentition can be corrected.

Also, according to the present embodiment, the predetermined position of the crown portion 6 is the position where pressure in the vertical direction is applied when the upper dentition portion 2 and the lower dentition portion 3 are occluded. Return the depressed tooth to its original shape.

In addition, according to the present embodiment, the opening 15 is formed in the part corresponding to the biting part 9a of the biting part 9a and the cleft part 9b of the maxillary dentition part 2 and the mandibular dentition part 3, thereby preventing the corresponding opening from being formed. The compression of the teeth at position 15 can restore the depressed teeth to their original shape.

Also, according to the present embodiment, the opening 15 is formed at a position corresponding to a position higher than the plane set by each tooth, thereby preventing the tooth from being pressed down corresponding to the position where the opening 15 is formed, and allowing the tooth to be pressed down. The tooth returns to its original shape.

In addition, according to the present embodiment, the opening 15 is formed at a position corresponding to a plane higher than the entirety of the upper dentition 2 and the lower dentition 3, thereby preventing the position where the opening 15 is formed from The tooth that presses down, and can make the tooth that presses down return to original shape.

In addition, according to the present embodiment, the opening 15 is formed at a position corresponding to at least one tooth apart, so that the local mechanical strength of the orthodontic appliance main body 10 can be prevented from being reduced in advance.

Next, one embodiment of the manufacturing apparatus and manufacturing method of the orthodontic appliance 10 of this embodiment will be described.

Fig. 5 is a block diagram showing an orthodontic device manufacturing apparatus according to an embodiment of the present invention. Fig. 6 is an explanatory view showing an example for manufacturing an orthodontic appliance according to an embodiment of the present invention. 7 is an explanatory view showing a state where an example of an upper orthodontic appliance main body and a lower jaw orthodontic appliance main body manufactured by the method for manufacturing an orthodontic appliance according to an embodiment of the present invention is installed.

As shown in FIG. 5 , the manufacturing apparatus of the orthodontic appliance of this embodiment includes a detection unit 21 , a control unit 22 and a cutting unit 23 . The manufacturing device of the orthodontic appliance of this embodiment detects the occlusal portion of the upper jaw dentition 2 and the lower jaw dentition 3, and the predetermined position to which the pressure in the vertical direction is applied has, for example, the upper jaw dentition 2 and the lower jaw dentition. 3, the teeth positioned higher than the plane set by each tooth, and the teeth positioned higher than a plane set by the upper jaw dentition 2 or the lower jaw dentition 3 as a whole, so firstly the detection part 21 The upper dentition 2 and the lower dentition 3 in the patient's oral cavity 1 are scanned by photographic means such as a scanner to generate image data in the control unit 22 .

The control unit 22 is a control centered on a conventional microcomputer including a CPU (Central Processing Unit), RAM (Random Access Memory), ROM (Read Only Memory) as a storage means, and I/O (Input/Output). device.

Among them, the above-mentioned ROM is capable of memorizing data or programs necessary to retain the memorized content even if the power is turned off. The aforementioned RAM temporarily stores data. The CPU executes the programs stored in the ROM to realize various functions. The memory means includes, for example, computer-readable electronic media such as DVD-ROM (Digital Versatile Disk Read Only Memory), CD-ROM (Compact Disc Read Only Memory), and hard disk, other than ROM.

The control unit 22 automatically calculates the position where the occlusal pressure becomes larger based on the overlapping portion of the occlusal portion of the upper dentition 2 and the lower dentition 3 from the image data, and mainly forms a grinding position on the part of the orthodontic appliance 10 corresponding to the position. In addition to the machine, the opening 15 is formed by drilling with the cutting part 23 as the opening forming part using laser, ultrasonic wave, or the like.

In addition, in the manufacturing apparatus of the orthodontic appliance of this embodiment, the occlusal paper may be bitten between the upper dentition 2 and the lower dentition 3 of the patient, and the crown 6 of the occlusal surface may be colored for visual confirmation. The position where the occlusal pressure becomes large. Here, when the occlusal pressure is large, the color is relatively thick, and when the occlusal pressure is small, the color is relatively light. In addition, openings 15 are formed at positions of the upper orthodontic tool 12 and the lower jaw orthodontic tool 13 corresponding to the relatively densely colored positions of the crown portion 6 .

In addition, in the manufacturing device of the orthodontic appliance of this embodiment, after the plaster model of the upper dentition 2 and the lower dentition 3 of the patient is made, the upper dentition and the lower jaw of the patient may be formed on the plaster model. The occlusal paper was bitten between the dentitions, and the crown portion 6 of the occlusal surface was colored to visually confirm the position where the occlusal pressure increased. The opening 15 is formed at a portion of the orthodontic appliance 10 corresponding to the colored position of the crown portion 6 .

In addition, in the manufacturing apparatus of the orthodontic appliance 10 of this embodiment, the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 may be respectively installed in the upper jaw dentition part 2 and the lower jaw dentition part 3 in the oral cavity 1. After the occlusal paper is bitten between the orthodontic appliance 12 and the mandibular orthodontic appliance 13, as shown in Figure 6, the position of the tooth corresponding to the bite head 9a with a large occlusal pressure cut by the dental technician's dental drill 11 is higher than the plane set by each tooth The opening 15 is formed at a colored portion of the orthodontic appliance 10 at a position higher than a plane defined by the upper dentition 2 or the lower dentition 3 as a whole.

In addition, in the manufacturing apparatus of the orthodontic tool 10 of this embodiment, the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13 may be respectively installed in the upper jaw dentition part 2 and the lower jaw dentition part in the oral cavity 1 similarly to the above. 3. After biting the occlusal paper between the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13, as shown in Figure 6, the position corresponding to the biting head 9a with a large occlusal pressure, which is higher than the plane set by each tooth, or higher than the plane set by each tooth The colored part of the orthodontic appliance 10 at the level of the upper dentition 2 or the lower dentition 3 as a whole is drilled using a cutting tool such as a grinding machine, a laser, or an ultrasonic wave. An opening 15 is formed.

In addition, in the case of forming the opening 15, as shown in FIG. On the other hand, it is preferable to form an opening 15 at a position (indicated by hatching) of the orthodontic appliance 10 corresponding to the second premolar and the first molar of the mandibular dentition 3 . In this case, the opening 15 is formed at a position corresponding to one tooth away from the orthodontic appliance 10 , but not limited to this, the opening 15 may be formed at a position corresponding to two teeth apart. In short, in the orthodontic tool 10, the opening 15 may be formed at a position corresponding to at least one tooth apart. And, in the occasion of replacing the orthodontic appliance 10 step by step, it is also possible to sequentially change the crowns 6 of the upper jaw dentition 2 and the lower jaw 3 to form the dental crowns corresponding to the predetermined positions of the crowns 6. The opening 15 of the orthosis 10 .

As described above, in the manufacturing apparatus and manufacturing method of the orthodontic appliance according to the present embodiment, at the occlusal portion of the upper dentition part 2 and the lower jaw dentition part 3, the detection part 21 detects the predetermined position where the pressure in the vertical direction is applied. As a result of the detection, the opening 15 is formed by the cutting part 23 at the part of the orthodontic tool 10 corresponding to the predetermined position, thereby preventing the teeth from being pressed down, and the pressed teeth can be restored to their original shape, and the orthodontics for orthodontics can be easily manufactured. Orthosis 10.

In addition, according to the manufacturing apparatus and manufacturing method of the orthodontic appliance of the present embodiment, the detecting unit 21 detects the position where the occlusal pressure becomes large based on the overlapping state of the crown portion 6 of the occlusal portion obtained by scanning the image data in the oral cavity 1 , to prevent the teeth from being pressed down, and to reliably detect the pressed teeth, and to precisely form the opening 15 of the orthodontic tool 10 .

Fig. 8 is a flowchart showing a method of manufacturing an orthodontic appliance according to an embodiment of the present invention.

First, as shown in FIG. 8 , molding of the upper orthodontic tool 12 and the lower jaw orthodontic tool 13 corresponding to the upper dentition 2 and the lower dentition 3 is carried out (step P1 ). Specifically, the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 are respectively pre-taken from the patient's tooth mold, and are integrally molded in the shape of the tooth mold with a resin material having overall elasticity to have the same thickness of 1 mm as a whole.

Next, install the upper orthodontic appliance 12 and the lower jaw orthodontic appliance 13 on the upper jaw dentition part 2 and the lower jaw dentition part 3 respectively in step P2, and insert the occlusal paper between the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 for occlusal (step P3).

Subsequently, in step P4, the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13 are respectively removed from the upper jaw dentition 2 and the lower jaw dentition 3. For example, the above-mentioned FIG. The opening 15 is formed by drilling (step P5).

As mentioned above, according to the manufacturing method of the orthodontic appliance of this embodiment, the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 13 are formed, and the upper jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 12 and the lower jaw orthodontic appliance 12 are respectively installed on the upper jaw dentition part 2 and the lower jaw dentition part 3. Tool 13, clamp the occlusal paper between the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13, and then remove the upper jaw orthodontic tool 12 and the lower jaw dentition tool 13 from the upper jaw dentition part 2 and the lower jaw dentition part 3 respectively, and place the The colored part of the occlusal paper is drilled to form an opening, so that the tooth is prevented from being pressed down, and the pressed tooth can be precisely formed to restore the original shape. [Other Embodiments of the Invention] Although each embodiment of the present invention has been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, substitutions, changes, and combinations are possible without departing from the gist of the invention. These embodiments are the same as those included in the scope and gist of the invention, and include the inventions described in the claims and their equivalent scopes.

In the above-mentioned embodiment, the example in which the upper jaw orthodontic tool 12 and the lower jaw orthodontic tool 13 are respectively attached to the upper jaw dentition part 2 and the lower jaw dentition part 3 has been described, but the present invention is not limited thereto. The mandibular orthodontic appliance 13 is attached to the upper dentition 2 and the lower dentition 3 to form an opening 15 at a position corresponding to a position higher than a plane defined by the upper dentition 2 or the lower dentition 3 .

In addition, in the above-mentioned embodiment, the material and shape of the orthodontic appliance 10 can be inserted into the oral cavity, so as long as it has the same function, it can be configured with an appropriate material.

1: Mouth 2: Maxillary dentition 3: Mandibular dentition 4: front teeth 5: Internal teeth 6: Tooth crown (occlusal part) 7: Teeth 8: Teeth 9a: Bite the head 9b: Crack part 10: Orthodontic appliance (orthodontic appliance main body) 11: Dental Technician Dental Drill 12: Orthodontic appliance (main body of the orthodontic appliance) 13: Mandibular orthodontic appliance (mandibular orthodontic appliance main body) 15: opening 21: Testing Department 22: Control Department 23: cutting part

[ Fig. 1 ] is a perspective view showing a state in which an orthodontic appliance according to an embodiment of the present invention is attached to a maxillary dentition part and a mandibular dentition part. [ Fig. 2 ] is a plan view showing a mandibular orthodontic appliance main body of an orthodontic appliance according to an embodiment of the present invention. [ Fig. 3 ] is a sectional view taken along line III-III in Fig. 2 . [ Fig. 4 ] is an enlarged view of part A in Fig. 3 . [ Fig. 5 ] is a block diagram showing an orthodontic device manufacturing apparatus according to an embodiment of the present invention. [ Fig. 6 ] It is an explanatory diagram showing an example for manufacturing an orthodontic appliance according to an embodiment of the present invention. [ Fig. 7] Fig. 7 is an explanatory diagram showing a state where an example of an upper orthodontic appliance main body and a lower jaw orthodontic appliance main body manufactured by the method for manufacturing an orthodontic appliance according to an embodiment of the present invention is installed. [ Fig. 8 ] is a step diagram showing a method of manufacturing an orthodontic appliance according to an embodiment of the present invention.

21: Testing Department

22: Control Department

23: cutting part

Claims (12)

A device for manufacturing an orthodontic appliance, wherein the orthodontic appliance corrects each tooth in the upper dentition or the lower dentition, and is characterized in that it includes a detection unit for detecting the upper dentition and the lower dentition. The occlusal part, the predetermined position to which the pressure in the vertical direction is applied, and the opening forming part form an opening at a part of the orthodontic tool body corresponding to the predetermined position according to the detection result detected by the detection part. The device for manufacturing an orthodontic appliance according to Claim 1, wherein the detecting unit detects the predetermined position based on image data scanned in the oral cavity. A method for manufacturing an orthodontic appliance, wherein the above-mentioned orthodontic appliance corrects each tooth in the upper jaw dentition or the lower jaw dentition, and is characterized by: a detection step of detecting the upper jaw dentition and the lower jaw dentition The occlusal part, the predetermined position to which the pressure in the vertical direction is applied, and the opening forming step are to form an opening at the portion of the orthodontic appliance body corresponding to the predetermined position according to the detection result detected in the detection step. A method of manufacturing an orthodontic appliance, wherein the above-mentioned orthodontic appliance corrects individual teeth in the upper dentition or the lower dentition, wherein the upper jaw is orthodontically corresponding to the upper dentition and the lower dentition respectively. Forming of the main body of the appliance and the main body of the mandibular orthodontic appliance, the above-mentioned maxillary orthodontic appliance is installed on the above-mentioned upper jaw dentition part and the lower jaw dentition part respectively. The orthodontic appliance main body and the mandibular orthodontic appliance main body are interposed between the upper jaw orthodontic appliance main body and the lower jaw orthodontic appliance main body, and the upper jaw is detached from the upper jaw dentition part and the lower jaw dentition part respectively. The orthodontic appliance main body and the mandibular orthodontic appliance main body are perforated to form openings based on the colored parts of the occlusal paper. An orthodontic appliance, which is manufactured by the device for manufacturing the orthodontic appliance described in Claim 1, or the manufacturing method for the orthodontic appliance described in Claim 3 or Claim 4, and is equipped with a The main body of the orthodontic appliance covering the upper dentition or the lower dentition, the teeth of the upper dentition and the lower dentition are corrected by the main body of the orthodontic appliance, wherein the main body of the orthodontic appliance is placed on the upper teeth The occlusal part of the row part and the above-mentioned mandibular dentition row part is formed with an opening part including a predetermined position of the occlusal part. The orthodontic appliance according to claim 5, wherein the predetermined position of the occlusal portion is a position where vertical pressure is applied when the upper dentition portion and the lower dentition portion occlude. The orthodontic appliance according to claim 5, wherein the opening is a portion corresponding to the bite portion of the bite portion and the cleft portion formed in the upper jaw dentition portion and the lower jaw dentition portion. The orthodontic tool according to claim 6, wherein the opening is a portion corresponding to the bite portion of the bite portion and the cleft portion formed in the upper jaw dentition portion and the lower jaw dentition portion. The orthodontic appliance according to any one of claims 5 to 8, wherein the opening is formed at a position corresponding to a position higher than a plane on which each tooth is set. The orthodontic appliance according to any one of Claims 5 to 8, wherein the opening is formed at a position corresponding to a plane set higher than the entirety of the upper dentition or the lower dentition. . The orthodontic tool according to any one of Claims 5 to 8, wherein the opening is formed at a position corresponding to at least one tooth apart. The orthodontic tool according to claim 9, wherein the opening is formed at a position corresponding to at least one tooth apart.

Images