TW202200086A - Dentition corrective device - Google Patents

Abstract

A dentition corrective device (10) which has a significantly simplified structure and can promote movement of teeth is worn to cover the gum (7) at least at portions (9a) between dental roots of maxillary teeth (3). The dentition corrective device (10) is provided with permanent magnets (12) at portions corresponding to the gum (7) at least at the portions (9a) between dental roots. Additionally, the dentition corrective device (10) may be configured to be attachable to a mouthpiece (1) which is worn to cover the maxillary teeth (3) and straighten the maxillary teeth (3).

Description

Orthodontic device

The present invention relates to an orthodontic device that promotes movement of the dentition when aligning the dentition.

Conventionally, when aligning the dentition, a system for promoting the movement of the dentition is described in Patent Document 1, for example. In this system, according to the control circuit and the power supply, the first type of current is generated between each of the plurality of lingual electrodes and a specific one of the plurality of buccal electrodes, or the second type of current is generated Between each of the electrodes adjacent to the plurality of lingual electrodes and between each of the electrodes adjacent to the plurality of buccal electrodes, the currents are configured to be individually controllable according to the control circuit. [Prior Art Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Publication No. 2017-508521

[Problems to be Solved by Invention]

However, in the conventional system described in the above-mentioned Patent Document 1, since a control circuit, a power source, a plurality of lingual electrodes, and a plurality of buccal electrodes are provided, the structure is complicated and the control is also complicated. The problem.

The present invention has been developed in view of such a problem, and an object of the present invention is to provide an orthodontic device capable of extremely simplified structure and capable of promoting the movement of the dentition portion. [Technical means to solve problems]

In order to achieve this problem, the invention described in claim 1 is characterized in that the main body of the orthodontic device is mounted so as to cover the pulp of the dentition part located at least in the interdental part, and the main body of the orthodontic device is connected to at least the interdental part. A permanent magnet is provided at the portion corresponding to the tooth flesh in the interdental portion.

In addition, the invention described in claim 2 adds to the structure described in claim 1: the orthodontic device main body is attached so as to cover the dentition part and can be covered on the orthodontic dentition. It is featured on the mouthpiece of the department.

Furthermore, the invention described in claim 3 is characterized by adding the structure described in claim 1 to the above-mentioned orthodontic device main body so as to cover the above-mentioned dentition portion and to align the above-mentioned dentition portion as a feature. .

In addition, the invention described in claim 4 adds to the configuration described in any one of claims 1 to 3: the permanent magnet is provided at a position corresponding to each of the plurality of the inter-tooth root portions, as a feature.

In addition, the invention described in claim 5 is added to the structure described in any one of claims 1 to 3, and the permanent magnet is provided at a position spanning a plurality of the tooth root portions to serve as a feature.

In addition, the invention described in claim 6 is added to the structure described in any one of claims 1 to 5: the permanent magnet is formed in a plate shape along the shape of the tooth flesh, as a feature.

Furthermore, the invention described in claim 7 is characterized in that the above-mentioned permanent magnet is detachably provided on the above-mentioned correcting device main body in addition to the structure described in any one of claims 1 to 6.

In addition, the invention described in claim 8 adds to the structure described in any one of claims 1 to 7: the permanent magnet is directed to the tooth root portion side with respect to the tooth neck line of the tooth row portion. It is characterized by being arranged at a distance of 4mm or more.

Furthermore, the invention described in claim 9 is characterized by comprising: a pair of left and right base parts locked inside the tooth row part; Enlarging means for expanding the space toward the outside; a permanent magnet is provided at a portion corresponding to the tooth pulp located in the interdental portion of the dentition portion of the pair of left and right base portions.

In addition, the invention described in claim 10 adds to the structure described in claim 9: a force is applied to the respective outer edge portions of the pair of left and right base portions to expand the position of the dentition portion, and the The said permanent magnet is provided in the inner side of each said outer edge part, and it is characterized.

In addition, the invention described in claim 11 is based on the structure described in claim 9 or 10, and furthermore, the permanent magnet is provided between the tooth crown portion and the tooth crown portion of the tooth row portion, respectively. The part corresponding to the position is used as a feature.

In addition, the invention described in claim 12 is based on the configuration described in any one of claims 9 to 11, wherein the permanent magnet is directed toward the tooth root portion with respect to the tooth neck line of the tooth row portion. It is characterized by being arranged at a distance of 4mm or more. [Inventive effect]

According to the invention described in claim 1, since the orthodontic device body is attached so as to cover the pulp of the dentition at least in the interdental portion, the orthodontic device body is located at least in the interdental portion corresponding to the dental pulp. A permanent magnet is provided in the part, so the structure is extremely simplified, and the blood flow in the tooth pulp and the alveolar bone located in the interdental part is improved, and the movement of the dentition can be promoted.

Furthermore, according to the invention described in claim 2, since the main body of the orthodontic device is installed so as to cover the dentition part and can be covered on the mouthguard of the orthodontic dentition part, in addition to the mouthguard and the main body of the orthodontic device, In addition to straightening the dentition, the permanent magnet can further facilitate the movement of the dentition.

In addition, according to the invention described in claim 3, since the orthodontic device body is mounted and orthopedic so as to cover the dentition portion, the orthodontic device body can be used to align the dentition portion, and the dentition portion can be improved. move.

In addition, according to the invention described in claim 4, since the permanent magnets are provided at positions corresponding to each of the plurality of tooth root portions, it is possible to impart an equal magnetic force to each of the tooth flesh positioned in the tooth root portion, so that each The blood flow in the pulp and the alveolar bone is improved, and the movement of the dentition can be further promoted.

In addition, according to the invention described in claim 5, since the permanent magnets are provided at positions spanning between a plurality of tooth root portions, the number of permanent magnets to be attached can be reduced, and the manufacturing can be facilitated.

In addition, according to the invention described in claim 6, since the permanent magnet is formed in a plate shape along the shape of the tooth flesh, the permanent magnet can be in close contact with the tooth flesh, and the blood in the tooth flesh and the alveolar bone can flow. More preferably, it becomes possible to further promote the movement of the dentition portion.

Furthermore, according to the invention described in claim 7, since the permanent magnets are detachably provided in the body of the correction device, permanent magnets having different magnetic flux densities can be replaced successively.

In addition, according to the invention described in claim 8, since the permanent magnets are arranged at a distance of 4 mm or more toward the tooth root side with respect to the tooth neck line of the dentition, the dentition and the alveolar bone located between the tooth roots are placed in the dentition. The blood flow is significantly improved, and the movement of the dentition can be further promoted.

In addition, according to the invention described in claim 9, permanent magnets are provided at the portion of the pair of left and right base portions corresponding to the dentition in the interdental portion of the dentition portion, so that the permanent magnets can be positioned on the teeth by the respective permanent magnets. The blood flow in the dental pulp and alveolar bone between the roots is improved, and the period for correction of the dentition can be further shortened.

Furthermore, according to the invention described in claim 10, since the force for expanding the position of the dentition portion is applied to the respective outer edge portions of the pair of left and right base portions, and the permanent magnets are provided inside the respective outer edge portions, it becomes The movement of the dentition portion can be further accelerated by the permanent magnet.

In addition, according to the invention described in claim 11, since the permanent magnets are provided at positions corresponding to the positions between the crown portion and the crown portion of the dentition portion, the dentition portion can be corrected and promoted. Movement of the dentition.

In addition, according to the invention described in claim 12, since the permanent magnets are arranged at a distance of 4 mm or more toward the tooth root side with respect to the tooth neck line of the dentition, the dentition and the alveolar bone located between the tooth roots are placed in the dentition. The blood flow is significantly improved, and the movement of the dentition can be further promoted.

Hereinafter, embodiments of the present invention will be described. [The first embodiment of the invention] FIGS. 1 to 3 show the first embodiment of the present invention.

Fig. 1 is a bottom view showing a state in which the orthodontic device according to the first embodiment of the present invention is attached to the upper jaw dentition. Fig. 2 is a perspective view showing a state in which the orthodontic device in the first embodiment is attached to the upper jaw dentition. Fig. 3 is a cross-sectional view taken along the line III-III in Fig. 1 .

In addition, in each of the following embodiments, an example in which the orthodontic device body is inserted into the oral cavity and attached to the upper jaw dentition will be described. In each of the following embodiments, in the state where the orthodontic device body is attached to the upper jaw dentition, the anterior tooth side is the front side, the posterior tooth side is the rear side, the lingual side is the inner side, and the buccal side is the side. It will be described as the outside. Here, the front teeth are incisors, and include left and right central incisors, left and right lateral incisors, and left and right canines. The posterior teeth are molars, and include: the first and second small molars on the left and right, and the first to third molars on the left and right.

As shown in FIGS. 1 and 2 , in the present embodiment, an orthodontic appliance 10 as an orthodontic device main body that can be covered with a mouthguard 1 is provided. The mouthpiece 1 is inserted into the oral cavity 2 and attached so as to cover the upper jaw dentition portion 3 . The mouthguard 1 is a molded product that is attached to the upper jaw dentition portion 3, expands the upper jaw dentition portion 3 in the lateral direction, and is molded into a shape so that each tooth of the upper jaw dentition portion 3 moves in the direction in which it should be aligned. (aligner).

The mouthguard 1 is made of transparent plastic and is used to cover all the teeth of the upper jaw dentition 3 , that is, to cover the crowns 6 of the front teeth 4 and the rear teeth 5 of the upper jaw dentition 3 , and has a hardness that maintains a predetermined shape. The mouthguard 1 is a course of orthodontic treatment by preparing, for example, a plurality of different sizes or different hardnesses in stages, and periodically replacing them.

The orthodontic appliance 10 is provided so as to cover the mouthguard 1 attached to the upper dentition 3 so as to cover the crowns 6 of the front teeth 4 and the rear teeth 5 of the upper dentition 3 . The entire orthodontic appliance 10 is made of a resin material having the same elastic modulus, and the whole is integrally formed to have a uniform thickness of, for example, 1 mm. Specifically, the above-mentioned resin materials are selected from, for example, urethane resins such as polyurethane, silicone resins, polyolefin-based resins, styrene-based resins, acrylic resins, and the like. The above-mentioned resin material is preferably colorless, transparent or milky white, so that when inserted into the oral cavity 2, it is attached to the upper jaw dentition portion 3 inconspicuously, and has excellent aesthetics.

The orthodontic appliance 10 is a molded product (a mouthpiece) shaped like the mouthpiece 1 in a shape that moves each of the teeth of the upper jaw dentition portion 3 in a direction in which they should be aligned. The orthodontic appliance 10 covers all the teeth of the upper jaw dentition part 3 in the oral cavity 2 , that is, covers the front teeth 4 and the rear teeth 5 of the upper jaw dentition part 3 , and has hardness to maintain a predetermined shape. The orthodontic appliance 10 has a hardness lower than that of the mouthguard 1 . The orthodontic appliance 10 is formed along the shape of the dentition arch of the upper jaw dentition portion 3, covers the crown portion 6 serving as the occlusal portion of the anterior teeth 4 and the posterior teeth 5, and extends to The tooth flesh part 8 on the tooth flesh 7 side. That is, as shown in FIG. 3 , the orthodontic appliance 10 is attached so as to cover the tooth pulp 7 located at the root portion 9 and the inter-root portion 9a of the upper jaw dentition portion 3 . Here, the inter-tooth root portion 9 a refers to a portion between the tooth root portion 9 and the tooth root portion 9 of the front teeth 4 or the rear teeth 5 . In addition, the orthodontic appliance 10 has a hardness lower than that of the mouthguard 1, that is, since it is formed relatively softly, even if it is formed extending to the dental pulp portion 8 located on the side of the dental pulp 7, the dental pulp portion 8 is formed in a relatively flexible manner. Therefore, there is no feeling of boredom, and a high installation feeling can be obtained.

In the orthodontic appliance 10, a permanent magnet 12 is embedded in a portion corresponding to the dental pulp 7 in the interdental portion 9a. In the present embodiment, ten permanent magnets 12 are provided on the lingual side (inner side), and ten permanent magnets 12 are provided on the buccal side (outer side) facing each of these permanent magnets 12 . Specifically, as shown in FIG. 1 , six permanent magnets 12 are provided on each of the left and right front teeth 4 and four on each of the left and right rear teeth 5 . In this case, the permanent magnets 12 may be provided on the lingual side (inner side) and the buccal side (outer side) corresponding to the tooth flesh 7 located in all the interdental portions 9a of the left and right front teeth 4 and rear teeth 5, respectively. part of the way to implement.

The permanent magnet 12 is formed in a disk shape as shown in FIG. 2 . In this case, the permanent magnet 12 is not limited to a circular plate shape, and may be formed in a semicircular shape, an elliptical shape, or a polygonal plate shape.

As shown in FIG. 2 , the permanent magnets 12 are arranged so as to be separated from each other by 4 mm or more toward the tooth root portion 9 with respect to the distance D between the tooth neck lines L of the front teeth 4 and the rear teeth 5 . That is, when the distance D of the permanent magnet 12 with respect to each tooth neck line L of the front tooth 4 and the back tooth 5 is gradually approached from less than 4 mm, the blood flow of the tooth flesh 7 and the alveolar bone is changed. The best effect will gradually decrease. On the other hand, it is arranged so that the interval D of the permanent magnet 12 with respect to each of the tooth neck lines L of the front teeth 4 and the rear teeth 5 is gradually separated from 4 mm toward the tooth root portion 9 side to the portion corresponding to the root portion of the tooth root portion 9 . In the case of the range of , the effect of improving blood flow is approximately the same.

As the permanent magnet 12 , in addition to alnico magnets, fat ferromagnets, rare earth magnets, and the like, soft magnets such as rubber magnets, vinyl chloride magnets, and plastic magnets can be used. In addition, the permanent magnet 12 is set so as to improve the blood flow of the dental pulp 7 and the alveolar bone located in the interdental portion 9a and to promote the magnetic flux density of the movement of the upper jaw dentition portion 3 . Specifically, as the permanent magnet 12 of the present embodiment, a magnet having a magnetic flux density of, for example, 100 to 300 milliTesla is used.

In addition, in the present embodiment, an example in which the permanent magnet 12 is integrally provided at the portion of the orthodontic appliance 10 corresponding to the dental pulp 7 of the interdental portion 9a has been described, but it is not limited to this. , the permanent magnet 12 may be detachable from the orthodontic appliance 10 .

Next, the action of the orthodontic appliance 10 of the present embodiment will be described.

First, the mouthpiece 1 is inserted into the oral cavity 2 and attached so as to cover the upper jaw dentition portion 3 . Next, the orthodontic appliance 10 with the permanent magnets 12 embedded therein is mounted on the mouthpiece 1 of the upper dentition portion 3 to cover the crown portion 6 of the front teeth 4 and the rear teeth 5 of the upper jaw dentition portion 3 . way to cover.

In this way, the mouthguard 1 and the orthodontic appliance 10 are used as mouthpieces, respectively, and the teeth are gradually moved in the direction in which they are to be aligned. Here, in the orthodontic appliance 10, since the permanent magnet 12 is embedded in the portion corresponding to the tooth flesh 7 in the interdental portion 9a, the magnetic force of the permanent magnet 12 causes the tooth flesh 7 and the tooth flesh in the interdental portion 9a. Metabolism in the cells of the subcutaneous tissue in the alveolar bone is promoted to improve blood flow, and as a result, the movement of the maxillary dentition portion 3 can be promoted.

In this way, according to the present embodiment, the orthodontic appliance 10 is attached so as to cover the pulp 7 located in the interdental portion 9a of the upper jaw dentition portion 3. The orthodontic appliance 10 is located between the tooth root portion 9 and the tooth. Since the permanent magnet 12 is provided in the portion corresponding to the flesh 7, the structure can be extremely simplified, the blood flow in the tooth flesh 7 and the alveolar bone located in the interdental portion 9a can be improved, and the movement of the upper jaw dentition portion 3 can be promoted.

In addition, according to the present embodiment, the orthodontic appliance 10 is attached so as to cover the upper jaw dentition portion 3 and can be covered on the mouthguard 1 for orthodontic correction of the upper jaw dentition portion 3, so the mouthpiece 1 and the The orthodontic appliance 10 not only corrects the upper jaw dentition part 3 , but also can further promote the movement of the upper jaw dentition part 3 by the permanent magnet 12 .

Also, in the present embodiment, when the permanent magnet 12 is provided at a position corresponding to each of the plurality of inter-tooth root portions 9a, it becomes equal to the magnetic force applied to each of the tooth flesh 7 positioned in the plurality of inter-tooth root portions 9a, By improving the blood flow in each of the dental pulp 7 and the alveolar bone located in the interdental portion 9a, the movement of the upper jaw dentition portion 3 can be further promoted.

Moreover, in the present embodiment, when the permanent magnet 12 is detachably provided in the orthodontic appliance 10, it becomes possible to replace the permanent magnets with different magnetic flux densities one by one.

In addition, although the orthodontic appliance 10 of the present embodiment is used to cover the crown portion 6 of the front teeth 4 and the rear teeth 5 of the upper jaw dentition portion 3 from the mouthpiece 1 attached to the upper jaw dentition portion 3 The example in which the cover can be installed has been described, but it is not limited to this, and the parts corresponding to the crowns 6 of the front teeth 4 and the rear teeth 5 of the upper jaw dentition 3 may be formed in an open manner, and A shape is formed to cover at least only the tooth flesh 7 .

In addition, the orthodontic appliance 10 of the present embodiment can be installed so as to cover the entire front teeth 4 and rear teeth 5 of the upper jaw dentition part 3 from the mouthpiece 1 attached to the upper jaw dentition part 3 . The covering is not limited to this, and may be implemented by covering only the anterior teeth 4 of the upper jaw dentition portion 3 or only covering the posterior teeth 5 . Furthermore, the orthodontic appliance 10 may be implemented by covering only a part of the front teeth 4 or only a part of the rear teeth 5 . Moreover, even in such a case, it is necessary to cover the tooth flesh 7 with the tooth flesh portion 8 provided with the permanent magnet 12 .

In addition, the orthodontic appliance 10 of the present embodiment has been described as an example in which the permanent magnets 12 are provided on the lingual side (inner side) and the buccal side (outer side), respectively, but the permanent magnets 12 may be provided in the lingual side (inner side) and the buccal side (outer side). It is performed on either the lingual side or the buccal side. [The first modification of the first embodiment of the invention] Next, a first modification of the first embodiment of the present invention will be described.

Fig. 4 is a perspective view showing a state in which the orthodontic device in the first modification of the first embodiment is attached to the upper jaw dentition. In addition, in the first modification, the same reference numerals are given to the parts that are the same as or corresponding to those of the above-mentioned first embodiment, and the description thereof will be omitted.

As shown in FIG. 4 , in the orthodontic appliance 10 of the first modification, the permanent magnet 12A is formed in a long rectangular plate shape having a length spanning the length of a plurality of inter-root portions 9a of the left and right rear teeth 5 . In addition, although not shown, the permanent magnet 12A is also provided with lingual (inner) portions corresponding to the tooth flesh 7 having a length spanning the length of the plurality of inter-root portions 9a of the left and right rear teeth 5, respectively. In this case, as the permanent magnet 12A, a magnet having the flexibility of the aforementioned rubber magnet or the like is used, and the permanent magnet 12A is formed in a shape along the shape of the tooth flesh 7 .

As described above, according to this modification, since the permanent magnet 12A is provided with a portion spanning the plurality of inter-root portions 9a, the number of attachments of the permanent magnet 12 can be reduced, and the manufacture can be facilitated.

In addition, according to the present modification, since the permanent magnet 12A is formed in a plate shape along the shape of the tooth flesh 7, the permanent magnet 12A can be in close contact with the tooth flesh 7, so that the blood in the tooth flesh 7 and the alveolar bone can be removed. The flow is more favorable, and the movement of the upper jaw dentition portion 3 can be further promoted. [Second modification of the first embodiment of the invention] Next, a second modification of the first embodiment of the present invention will be described.

In the above-mentioned first embodiment, the orthodontic appliance 10 is provided so as to cover the front teeth 4 and the rear teeth 5 of the upper jaw dentition portion 3 from the mouthpiece 1 attached to the upper jaw dentition portion 3 . Cover in the way of Part 6.

In the orthodontic appliance 10 of the second modification, the permanent magnet 12 is provided in the portion corresponding to the dental pulp 7 in the interdental portion 9a as in the above-mentioned first embodiment, but the mouthguard 1 is omitted. It is installed from above the mouthpiece 1 so as to directly cover the crowns 6 of the front teeth 4 and the rear teeth 5 of the upper jaw dentition 3 .

In this way, according to the present modification, the orthodontic appliance 10 is mounted and straightened to directly cover the upper dentition portion 3. Therefore, although the mouthguard 1 is omitted and the number of parts is reduced, the number of parts is reduced. The upper jaw dentition portion 3 is rectified by the orthodontic appliance 10, and the movement of the upper jaw dentition portion 3 can be accelerated. [Second Embodiment of Invention] 5 and 6 show a second embodiment of the present invention.

Fig. 5 is a bottom view showing a state in which the orthodontic device according to the second embodiment of the present invention is attached to the upper jaw dentition. FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 5 .

In addition, in this embodiment, the same code|symbol is attached|subjected to the part which is the same as or corresponding to the said 1st Embodiment and its modification, and it demonstrates.

As shown in FIGS. 5 and 6 , the expansion base 20 as an orthodontic device includes left and right base parts 21 , expansion screws 22 as expansion means, and guide parts 23 . The left and right base portions 21 are made of resin sheets such as acrylic resin, respectively, and have predetermined flexibility. The left and right bases 21 are formed in a shape suitable for the inside of the oral cavity 2, that is, in the shape of a flap.

As shown in Figs. 5 and 6, the left and right base portions 21 are respectively formed with outer edge portions 21a, and each outer edge portion 21a is engaged with the left and right rear teeth 5 of the left and right upper jaw teeth row portions 3. The inner side is formed along the inner shape of the left and right rear teeth 5 .

The left and right base portions 21 are respectively embedded with permanent magnets at positions corresponding to the plurality of inter-root portions 9a and at positions corresponding to the positions between the crown portions 6 and the crown portions 6 of the upper jaw dentition portion 3 . 12. In the present embodiment, four permanent magnets 12 are provided on the left and right base portions 21, respectively. As shown in FIG. 5, the permanent magnets 12 are formed in a disk shape, and are arranged at a distance of 4 mm or more toward the tooth root portion 9 side with respect to each tooth neck line L of the rear tooth 5, as in the first embodiment described above. . In addition, since the other structure, installation position, etc. of the permanent magnet 12 are the same as those of the above-mentioned first embodiment and modification, the description thereof will be omitted.

The expansion screw 22 is made of metal and is provided between the left and right base parts 21 . The expansion screw 22 can be rotated by, for example, using a dedicated rotating tool, so that a force to expand the position of the left and right rear teeth 5 can be imparted to the respective outer edge portions 21a of the left and right base portions 21 . Guide portions 23 are respectively provided on both sides of the expansion screw 22 . These guide portions 23 are guided so that the base portions 21 on the left and right are expanded while maintaining the same plane when the expansion screw 22 is rotated. The left and right base portions 21 are formed substantially continuously in contact with each other before the expansion screw 22 is rotated.

Next, the function of the enlargement base 20 as the orthodontic device of the present embodiment will be described.

For installing the enlarged base 20 between the left and right rear teeth 5, the respective outer edge portions 21a of the left and right base parts 21 are inserted into the inner side of the left and right rear teeth 5 close to the tooth neck, and the left and right rear teeth are fixed. between the teeth 5. Thereby, the left and right rear teeth 5 can be spread laterally in a short period of time.

As described above, according to the enlarged base 20 of the present embodiment, since the permanent magnets 12 are provided at the positions corresponding to the tooth flesh 7 of the interdental portion 9a of the upper jaw dentition portion 3 of the pair of left and right base portions 21, each The permanent magnet 12 can improve the blood flow in the dental pulp 7 and the alveolar bone 11 located in the interdental portion 9a, and can further shorten the correction period of the upper jaw dentition portion 3 .

Furthermore, according to the present embodiment, since the force to expand the position of the upper jaw dentition portion 3 is applied to the respective outer edge portions 21a of the pair of left and right base portions 21, and the permanent magnets 12 are provided inside the respective outer edge portions 21a, the The movement of the upper jaw dentition portion 3 can be further accelerated by the permanent magnet 12 .

In addition, according to the present embodiment, since the permanent magnets 12 are respectively provided at positions corresponding to the positions between the crown portion 6 and the crown portion 6 of the upper jaw dentition portion 3, the upper jaw dentition portion 3 can be corrected, and the The movement of the upper jaw dentition portion 3 is facilitated.

In addition, according to the present embodiment, the permanent magnet 12 is arranged at a distance of 4 mm or more toward the tooth root portion 9 with respect to the tooth neck line L of the upper jaw dentition portion 3, so that the tooth flesh 7 and the tooth groove located in the tooth root portion 9a are The blood flow in the bone 11 is remarkably improved, and the movement of the maxillary dentition 3 can be further promoted. [Other Embodiments of the Invention]

The embodiments of the present invention have been described, but these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can also 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 or gist of the invention, and also include the invention described in the scope of the claims and the scope equivalent thereto.

In each of the above-mentioned embodiments, the example in which the orthodontic appliance 10 and the enlarged base 20 are attached to the upper jaw dentition portion 3 has been described, but the present invention is not limited to this, and it can also be applied to the case of attaching to the lower jaw dentition portion. , or when it is mounted on both the upper jaw dentition portion 3 and the lower jaw dentition portion, in short, it can be applied to at least one of the upper jaw dentition portion 3 and the lower jaw dentition portion.

In addition, in each of the above-described embodiments, the material and shape of the orthodontic appliance 10 may be composed of appropriate materials as long as it can be inserted into the oral cavity 2 and has the same function.

Furthermore, in the above-mentioned second embodiment, the example in which the expansion base 20 is used alone has been described, but the present invention is not limited to this, and the above-mentioned first embodiment and the above-mentioned second embodiment may be combined to form a configuration. way to implement. That is, as shown in FIGS. 1 and 2, from the mouthpiece 1 attached to the upper dentition portion 3, the orthodontic appliance 10 is applied to cover the front teeth 4 and the rear teeth 5 of the upper jaw dentition portion 3. In addition to covering the tooth crown portion 6 , the portion corresponding to the left and right rear teeth 5 above the tooth crown portion 6 may be further covered by covering the enlarged base 20 . With this configuration, the period for correction of the upper jaw dentition portion 3 can be shortened, and the number of stages of use of the mouthguard 1 can be reduced. Moreover, even if it is comprised by combining the modification of the said 1st Embodiment and the said 2nd Embodiment, substantially the same effect can be acquired.

Furthermore, in the above-described embodiments and modifications, the permanent magnet 12 has been described as being provided at the portion corresponding to the tooth flesh 7 located in the inter-dentate portion 9a, but the present invention is not limited to this, and the permanent magnet 12 may be In short, the permanent magnet 12 may be provided at least at a portion corresponding to the dentition 7 located in the tooth root portion 9a.

1: Mouthguard 2: Oral 3: Upper jaw dentition 4: Front teeth 5: rear teeth 6: Crown 7: Tooth meat 8: tooth flesh 9: Root of tooth 9a: Interdental part 10: orthodontic appliance (orthodontic appliance body) 11: Alveolar bone 12: Permanent Magnet 12A: Permanent Magnet 20: Enlarging the base (orthodontic device) 21: base 21a: Outer edge 22: Expanding screws (expanding means) 23: Guidance Department (Expansion Means)

[Fig. 1] is a bottom view showing a state in which the orthodontic device according to the first embodiment of the present invention is attached to the upper jaw dentition. [Fig. 2] is a perspective view showing a state in which the orthodontic device in the first embodiment is attached to the upper jaw dentition. [Fig. 3] is a cross-sectional view taken along line III-III in Fig. 1. [Fig. [FIG. 4] It is a perspective view which shows the state which attached the orthodontic apparatus in the 1st modification of 1st Embodiment to the upper jaw dentition part. [ Fig. 5 ] is a bottom view showing a state in which the orthodontic device in the second embodiment is attached to the upper jaw dentition. [Fig. 6] is a cross-sectional view taken along the line VI-VI in Fig. 4.

2: Oral

3: Upper jaw dentition

4: Front teeth

5: rear teeth

6: Crown

12: Permanent Magnet

20: Enlarging the base (orthodontic device)

21: base

21a: Outer edge

22: Expanding screws (expanding means)

23: Guidance Department (Expansion Means)

Claims (12)

An orthodontic device, characterized by: The orthodontic device body is installed so as to cover the pulp of the dentition at least in the interdental portion, and the orthodontic device body is provided with a permanent magnet at a portion corresponding to the dental pulp located at least in the interdental portion. The orthodontic device of claim 1, wherein, The main body of the orthodontic device is mounted so as to cover the dentition portion and can be covered on the mouthguard for orthodontic treatment of the dentition portion. The orthodontic device of claim 1, wherein, The main body of the orthodontic device is installed and orthopedic so as to cover the dentition portion. The orthodontic device of any one of claims 1 to 3, wherein, The permanent magnet is provided at a position corresponding to each of the plurality of the inter-tooth root portions. The orthodontic device of any one of claims 1 to 3, wherein, The said permanent magnet is provided in the site|part which straddles a plurality of said tooth root parts. The orthodontic device of any one of claims 1 to 3, wherein, The permanent magnet is formed in a plate shape along the shape of the tooth flesh. The orthodontic device of any one of claims 1 to 3, wherein, The above-mentioned permanent magnet is detachably provided in the main body of the above-mentioned correction device. The orthodontic device of any one of claims 1 to 3, wherein, The said permanent magnet is arrange|positioned with respect to the tooth neck line of the said dentition part, and is spaced 4 mm or more toward the tooth root part side. An orthodontic device is characterized by having: a pair of left and right base parts locked on the inner side of the dentition part, and An expansion means arranged between the pair of left and right base parts, and expanding the space between the pair of left and right base parts toward the outside; A permanent magnet is provided at a portion corresponding to the tooth pulp located in the interdental portion of the dentition portion of the pair of left and right base portions. The orthodontic device of claim 9, wherein, The said permanent magnet is provided in the inner side of each said outer edge part, and the force which expands the position of the said dentition part is given to each outer edge part of the said left-right paired base part. The orthodontic device of claim 9 or 10, wherein, The permanent magnets are provided at positions corresponding to positions between the tooth crown portion and the tooth crown portion of the tooth row portion, respectively. The orthodontic device of claim 9 or 10, wherein, The said permanent magnet is arrange|positioned with respect to the tooth neck line of the said dentition part, and is spaced 4 mm or more toward the tooth root part side.

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