WO2022074702A1 - 歯列矯正用マウスピース及び該マウスピースを用いた歯列矯正手段 - Google Patents
歯列矯正用マウスピース及び該マウスピースを用いた歯列矯正手段 Download PDFInfo
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- WO2022074702A1 WO2022074702A1 PCT/JP2020/037677 JP2020037677W WO2022074702A1 WO 2022074702 A1 WO2022074702 A1 WO 2022074702A1 JP 2020037677 W JP2020037677 W JP 2020037677W WO 2022074702 A1 WO2022074702 A1 WO 2022074702A1
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- orthodontic
- wire
- dentition
- mouthpiece
- teeth
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- 210000004513 dentition Anatomy 0.000 claims abstract description 104
- 230000036346 tooth eruption Effects 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims description 24
- 239000011505 plaster Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 description 24
- 229920005989 resin Polymers 0.000 description 24
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000008707 rearrangement Effects 0.000 description 7
- 210000004283 incisor Anatomy 0.000 description 4
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- 230000001680 brushing effect Effects 0.000 description 3
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- 239000002985 plastic film Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003479 dental cement Substances 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003784 masticatory muscle Anatomy 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
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- 210000004373 mandible Anatomy 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
- A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2035—Beam shaping or redirecting; Optical components therefor
- A61B2018/20351—Scanning mechanisms
- A61B2018/20353—Scanning in three dimensions [3D]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/36—Devices acting between upper and lower teeth
Definitions
- the present invention relates to an orthodontic mouthpiece for orthodontic treatment and an orthodontic means using the mouthpiece.
- orthodontics are performed by using a bracket fixed to a tooth and a wire made of a shape memory alloy that stores an ideal dentition morphology inserted into a hole provided in the bracket.
- an orthodontic mouse that divides a patient's orthodontic dentition into a plurality of stages and gradually changes to an ideal dentition. Form a piece.
- the orthodontic mouthpiece used in this case is formed of a thin sheet such as flexible plastic.
- the one close to the dentition before orthodontics is first attached as the first stage of orthodontic mouthpiece.
- the orthodontic tooth needs to inform the patient that the first stage of orthodontics has been completed due to the loss of the above orthodontic force.
- the forcing force from the orthodontic mouthpiece is repeatedly lost and replaced, and the teeth are gradually rearranged to enable orthodontic correction.
- the movement of the teeth in each stage is about 0.25 mm, which can only be moved little by little.
- the period related to the movement is said to be about two weeks.
- the entire tooth has a rounded shape, the molars cannot transmit the force required for movement well, and the period of orthodontics is often prolonged.
- the present invention has been made in view of the above-mentioned problems, and a part of the orthodontic mouthpiece that comes into contact with the teeth is cut out, and the opening formed by the cutout is other than the mouthpiece correction. It is an object of the present invention to provide an orthodontic mouthpiece that can be used in combination with the above-mentioned orthodontic method and an orthodontic means using the orthodontic mouthpiece.
- the orthodontic mouthpiece In the orthodontic mouthpiece that covers all the orthodontic teeth including the orthodontic teeth and corrects them, it hits the teeth of the orthodontic mouthpiece body corresponding to the specific dentition near the back teeth or the front teeth.
- the orthodontic means using the mouthpiece according to claim 1, which is performed from the following procedure in the orthodontic method in which the main body of the mouthpiece for orthodontics is covered on the entire dentition including the teeth requiring orthodontics.
- -A model or scan data formed from a dentition mold is separated and cut for each tooth on a computer to create a single tooth mold.
- the orthodontic wire for correcting the specific dentition is inserted into a wire jig fixed to the target part of each tooth of the specific dentition, and used as a common orthodontic wire for correcting the specific dentition.
- the specific dentition near the back teeth or the anterior teeth is specified.
- an orthodontic mouthpiece having a part notched in contact with the orthodontic tooth requiring orthodontic teeth and a tooth in the vicinity thereof is provided.
- the patient can remove the minimum necessary amount such as eating and brushing while avoiding physical interference with the orthodontic mouthpiece. effective.
- the remaining buccal or lingual side becomes a wall, which has the effect of limiting the movement width by wire orthodontics.
- the present invention is an orthodontic mouthpiece main body corresponding to a specific dentition near the back teeth or anterior teeth in an orthodontic mouthpiece in which an orthodontic mouthpiece main body is covered with an orthodontic mouthpiece main body including all teeth requiring orthodontics.
- the gist is that a part of the mouthpiece that comes into contact with the tooth is cut out so that the specific dentition is exposed from the mouthpiece body.
- the orthodontic means that covers the main body of the orthodontic mouthpiece on all the dentition including the teeth requiring orthodontics.
- -A model or scan data formed from a dentition mold is separated and cut for each tooth on a computer to create a single tooth mold.
- ⁇ Relocate the single tooth type to the ideal dentition after orthodontics.
- the orthodontic wire for correcting the specific dentition is inserted into a wire jig fixed to the target part of each tooth of the specific dentition, and used as a common orthodontic wire for correcting the specific dentition.
- the cutout portion of the correction mouthpiece in the figure is used as the occlusal surface, the cutout portion may be used as the lingual side or the buccal side.
- FIG. 1 is a schematic perspective view showing a state in which orthodontics are performed using the orthodontic mouthpiece of the present invention.
- FIG. 2 is a schematic perspective view showing a single orthodontic mouthpiece of the present invention.
- FIG. 3 is a schematic enlarged plan view showing a notch on the tooth surface of the orthodontic mouse of the present invention.
- FIG. 4 is a schematic plan view and a cross-sectional view showing a state at the start of correction.
- FIG. 5 is a schematic plan view and a cross-sectional view showing a state during correction.
- the orthodontic mouthpiece M of the present invention is covered and attached to the dentition D of either the upper jaw and the lower jaw including the orthodontic tooth T (here, the lower jaw tooth).
- T the orthodontic tooth
- the orthodontic mouthpiece M is provided with a tooth surface notch 1 in the vicinity of the back teeth.
- the tooth surface notch 1 exposes a part of the dentition D that abuts on the tooth in the molar portion, that is, the occlusal surface 2, the lingual side surface and the buccal side surface, and the lingual side surface or the buccal side surface in the incisor. Is opened to.
- the orthodontic mouthpiece M is formed from a thin sheet of flexible plastic.
- this plastic sheet is less than 0.2 mm, it is difficult to form it, and it has poor durability and may be torn immediately. In addition, if it is 1 mm or more, it causes discomfort to the patient when it is worn.
- plastic sheet having a thickness of about 0.2 to 1 mm.
- the place where the tooth surface notch 1 is provided is a molar or incisor where it is difficult to move the tooth because the force required for orthodontics cannot be transmitted well to the orthodontic tooth in the mouthpiece correction.
- a space S of about 1 to 2 mm from the buccal side or the lingual side of the orthodontic tooth T before orthodontics (FIG. 4A). See).
- the M of the orthodontic mouthpiece can be fitted and held in the dentition D by a portion other than the tooth surface notch 1.
- the wire orthodontic means Y described later is exposed to the exposed target portion.
- the orthodontic mouthpiece M can avoid physical interference with the wire orthodontic means Y.
- the patient must remove it to take care of the oral cavity such as eating and brushing teeth.
- the patient can easily remove the orthodontic mouthpiece M by providing the tooth surface notch 1 to avoid interference with the wire orthodontic means Y.
- the wire orthodontic means Y includes a wire jig 3 fixed to a target portion of the dentition D, that is, any of the occlusal surface 2, the lingual side surface and the buccal side surface of the tooth, and the wire jig 3 It is composed of a straightening wire 4 inserted through the wire 4.
- the wire jig 3 is formed by thickening the resin in a mountain shape on the target part of the orthodontic tooth T on the dentition model created based on the actual dentition of the patient and then hardening it.
- the wire jig 3 corresponds to the surface uneven shape of either the occlusal surface 2 of the orthodontic tooth requiring correction, the lingual side surface or the buccal side surface of each patient by curing the resin thickened on the dentition model as described above. It is formed so as to have an uneven shape.
- the wire jig 3 is fixed to the surface of the tooth by using a dental adhesive on the target portion of the orthodontic tooth T of the patient after formation.
- the straightening wire 4 is a wire formed of a shape memory alloy, stainless steel, or the like.
- the straightening wire 4 is inserted into an insertion hole 31 provided in the wire jig 3.
- the insertion hole 31 is formed by preliminarily embedding an orthodontic wire 4 whose shape is memorized along the dentition in an ideal state in a resin that has not been cured at the time of forming the wire jig 3 described above.
- the straightening wire 4 is used from the one having a smaller diameter than the one used for forming the insertion hole 31 according to the progress of straightening, and is gradually replaced with a wire having a larger diameter.
- the teeth are moved and corrected by using the restoring force of the wire, but at that time, the teeth may move in an unexpected direction or may be greatly deviated beyond the expectation. ..
- the space S provided for forming the orthodontic mouthpiece M regulates the range of movement of the teeth, and correction is required on the buccal side surface 11 or the tongue side surface 12 forming the space S.
- the teeth T collide with each other, it acts as a stopper and can prevent the movement beyond the regulation.
- the state in which the orthodontic tooth T collides with the buccal side surface 11 or the tongue side surface 12 serves as a guide for informing the patient when to replace the orthodontic wire 4 and the orthodontic mouthpiece M. You can also do it.
- the contact between the buccal side surface 11 or the tongue side surface 12 and the orthodontic tooth T is a state in which the tooth has moved to the target position of the wire orthodontic means Y and the orthodontic treatment has been completed. Will be.
- FIG. 6 is a flow chart showing a procedure for orthodontic means using the orthodontic mouthpiece of the present invention.
- the orthodontic mouthpiece making step S1 the wire jig and the orthodontic wire making step S2, and the orthodontic use. It comprises a mounting step S3 for mounting a mouthpiece, a wire jig and an orthodontic wire on a patient, and a replacement adjustment step S4 for replacing the orthodontic mouthpiece and adjusting the orthodontic means.
- the orthodontic mouthpiece creation step S1 is a step of determining an orthodontic policy for each patient's dentition and creating an orthodontic mouthpiece M that matches the policy.
- the orthodontic mouthpiece creation step S1 includes an orthodontic mouthpiece design step S1-1 and a tooth surface notch forming step S1-2.
- Orthodontic mouthpiece design step S1-1 first divides the dentition before orthodontics into multiple stages from the dentition after orthodontics, and simulates the movement of teeth.
- the orthodontic period is long.
- the cheek of the orthodontic tooth T requires a space S of 1 to 2 mm, specifically, the space S of 1 to 2 mm, which is expected when the wire straightening is performed step by step. Provide on the side or lingual side.
- This discrimination point targets the molars, which are the weak points of the orthodontic mouthpiece M, and the incisors that are judged to have a long period of time for orthodontics.
- This location is the dentition D of the maxilla, the mandible, or one of them, and the left and right molars, either or both, may be the incisors alone or in combination with the molars.
- the next step is to provide a portion of the orthodontic mouthpiece M where the wire orthodontic means Y is used so that the target portion of the orthodontic tooth T, that is, the occlusal surface 2, the lingual side surface, or the buccal side surface is exposed. This is the formation step S1-2.
- the orthodontic mouthpiece M does not physically interfere with the portion where the wire orthodontic means Y is used in the orthodontic mouthpiece design step S1-1. It is a process of opening a notch.
- the wire orthodontic means Y applied to this target portion does not physically interfere with the opening of the orthodontic mouthpiece M, it does not hinder the movement of the orthodontic tooth T by the wire orthodontic means Y.
- the patient can remove it as needed when eating or brushing teeth, and the oral cavity can be kept clean.
- the wire jig and straightening wire manufacturing step S2 consists of the following six steps.
- Pre-orthodontic model creation step S2-1a to create a patient's pre-orthodontic dentition model.
- Single model creation step S2-2a to make the pre-orthodontic model into a single model for each tooth.
- Relocation model creation step S2-3a to relocate a single model to the ideal dentition.
- Resin application step S2-4 in which the resin used as the material of the wire jig 3 is applied to any of the occlusal surface 2, the tongue side surface and the buccal side surface of the rearranged model.
- Resin curing step S2-5 in which the orthodontic wire 4 bent along the ideal dentition is embedded in the resin and UV light is applied to cure the resin.
- the wire jig creation step S2-6 in which the cured resin and the straightening wire 4 are removed from the rearrangement model and the wire jig 3 is formed.
- Pre-orthodontic model creation step S2-1a is a step of creating a pre-orthodontic dentition model by taking a patient's dentition mold using alginate or the like and pouring model plaster into the mold.
- the single model creation step S2-2a is a step of cutting out teeth one by one from the created dentition model before orthodontics to make a single tooth model.
- Relocation model creation step S2-3a is a step of arranging a single model as a base and rearranging it into an ideal dentition.
- the pre-correction model creation step S2-1a, the single model creation step S2-2a, and the rearrangement model creation step S2-3a are all based on an analog method, and this can also be performed by a digital method. ..
- each step can be replaced with an intraoral scan step S2-1b, a single data creation step S2-2b, and a 3D rearrangement model creation step S2-3b.
- the intraoral scan step S2-1b is a step of scanning the patient's dentition state before orthodontics with an intraoral scanner and sending 3D data of the orthodontic dentition on a computer.
- the single data creation step S2-2b is a step of unifying the 3D data of the orthodontic front tooth row obtained in the previous step into individual teeth one by one on a computer.
- the 3D rearrangement model creation step S2-3b is a step of creating a model using a 3D printer by converting the unification data created in the previous step into the data of the ideal dentition state rearranged on a computer.
- a suitable method can be selected at the discretion of the dentist, and any method can be used as long as a model of the ideal dentition state to be used in the next step can be created.
- the wire is cured on either the occlusal surface 2', the lingual side surface or the buccal side surface corresponding to the specific dentition using the wire correction means Y of the rearrangement model created in the previous step.
- This is a step of applying a resin that is a material of the tool 3.
- the resin is thickly applied in a mountain shape on either the occlusal surface 2'on the tongue side surface or the buccal side surface.
- the orthodontic wire 4 memorized along the ideal dentition is embedded in the resin applied to either the occlusal surface 2'tonal side surface or the buccal side surface of the rearranged model in the previous step, and UV This is a process of curing the resin by irradiating the resin with light.
- the wire jig creation step S2-6 is a step of extracting the embedded straightening wire 4 from the cured resin on the rearranged model, removing the resin from the mold, and forming the wire jig 3.
- the mounting step S3 includes a wire jig fixing step S3-1, an orthodontic wire insertion step S3-2, and an orthodontic mouthpiece mounting step S3-3.
- the wire jig fixing step S3-1 is a step of fixing the wire jig 3 formed in the wire jig creation step S2-6 to the actual teeth of the patient.
- the wire jig 3 corresponding to any of the occlusal surface 2, the lingual side surface and the buccal side surface, that is, the target portion of the orthodontic tooth T using the wire orthodontic means Y is fixed by the dental adhesive.
- the wire jig 3 Since the wire jig 3 is created based on the patient's dentition model, it corresponds to the surface uneven shape of any of the occlusal surface 2, the lingual side surface and the buccal side surface using the wire straightening means Y. It is easy to fix to the correct position at the correct angle.
- the straightening wire insertion step S3-2 is a step of inserting and fixing the straightening wire 4 into the insertion hole 31 formed by embedding the straightening wire 4 when forming the wire jig 3.
- the straightening wire 4 to be inserted a wire having a small diameter bent to the same curve as that used when forming the wire jig 3 is inserted, and in the next step, the replacement adjustment step S4, a step is performed. Replace each with a larger diameter one.
- the orthodontic mouthpiece M created in the orthodontic mouthpiece manufacturing step S1 after attaching the wire jig 3 and the orthodontic wire 4 to the patient's dentition Is a step of covering and mounting the entire dentition of the patient.
- the orthodontic mouthpiece M is such that the formed dentition notch 1 exposes the target site using the wire orthodontic means Y, that is, the occlusal surface 2, the lingual side surface, or the buccal side surface, so that the entire dentition D is exposed. It is covered and attached to.
- the orthodontic mouthpiece M and the wire orthodontic means Y are attached to the patient's dentition D without physical interference with each other.
- the replacement adjustment step S4 is a correction wire for adjusting the orthodontic mouthpiece replacement step S4-1 for replacing the orthodontic mouthpiece M at each orthodontic stage and the orthodontic wire 4 used for the wire straightening means Y. It consists of the adjustment step S4-2.
- the orthodontic mouthpiece M replacement step S4-1 replaces the orthodontic mouthpiece M with the next orthodontic mouthpiece M when the orthodontic force applied to the orthodontic tooth T in the moving direction is lost.
- the straightening wire 4 adjustment step S4-2 is a step of replacing the straightening wire 4 inserted through the wire jig 3 at the timing when the original curved line is stored.
- the formed wire jig 3 Since the formed wire jig 3 is formed based on the rearrangement model, it will be erected in an irregular direction when it is fixed on the dentition D before orthodontics. At this time, the insertion holes 31 opened in the wire jig 3 naturally face irregular directions.
- the straightening wire 4 By inserting the straightening wire 4 into the insertion hole 31, the straightening wire 4 is inserted in a zigzag shape.
- This straightening wire 4 straightens using the force that tries to return to the original curve.
- the orthodontic wire 4 to be replaced is replaced with a wire having a larger diameter than before the replacement, so that the orthodontic wire 4 is gradually corrected to the ideal dentition state.
- the straightening wire 4 is replaced with a larger one, and finally the straightening wire 4 having the same diameter as that used when forming the wire jig 3 is replaced, and the straightening wire 4 is replaced with a straightening wire 4.
- the correction is completed when the pressure to return to the original shape is no longer applied.
- the straightening wire 4 may form an unexpected shape and move the teeth excessively.
- the buccal side surface 11 and the tongue side surface 12 remaining in the tooth surface notch 1 of the orthodontic mouthpiece M regulate the movement of the teeth like a wall and excessive movement. Functions as a stopper to prevent
- the timing at which the teeth hit the buccal side surface 11 and the tongue side surface 12 serves as a guide for no further wire correction, and the patient can also serve as a guide to know when to adjust the next wire. ..
- the upper surface of the wire jig 3 is formed into a smooth curved surface 32.
- This shape is created by polishing and forming the resin removed from the rearranged model in the wire jig 3 creation step S2-6 described above.
- the upper and lower molars slip during meshing, which further enhances the effect of inhibiting mastication.
- This example is considered to be used for patients who have habits such as bruxism and clenching during sleep because the upper and lower molars slip during meshing.
- the wire jig 3 has an arbitrary convex portion 33 formed therein.
- This shape is also created by polishing and forming the resin removed from the rearranged model in the wire jig 3 creation step S2-6 described above.
- the occlusal surface of the tooth corresponding to the chewing that is, the occlusal surface of the maxillary right molar in the case of the mandibular right molar.
- This embodiment can be considered to be used, for example, even when the wire straightening means Y is used, especially when a long period of straightening is required.
- the orthodontic tooth T to which the wire jig 3 is fixed is also corrected by hardening the resin even for the tooth that does not require the orthodontic treatment corresponding to the meshing.
- Auxiliary jig 34 may be formed.
- the orthodontic auxiliary jig 34 makes the effect obtained by the above meshing more effective, and may be used as needed.
- the one-shaped wire jig 3 may always be used during the orthodontic period, but it is replaced with an efficient one each time at the discretion of the dentist during the orthodontic period. It may be something that is done.
- the orthodontic method using the orthodontic mouthpiece M of the present invention provides more efficient orthodontic treatment by using the orthodontic mouthpiece M and the wire orthodontic means Y in combination. It has both high aesthetics.
- the orthodontic mouthpiece M does not necessarily have to be corrected by itself, and only the effect of the stopper and the guide formed by the space S of the tooth surface notch 1 formed in the orthodontic mouthpiece M can be obtained. It may be the intended one.
- the tooth surface notch 1 of the orthodontic mouthpiece M is created as described above, but since the other portions do not require orthodontic force, they are created in a shape that matches the patient's dentition. good.
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Abstract
Description
要矯正歯を含んだ全歯列に矯正用マウスピース本体を被覆する歯列矯正方法において、次の手順より行う請求項1に記載のマウスピースを用いた矯正手段。
・石膏または口腔内スキャナーで患者の矯正前歯列の型を取る。
・歯列の型から形成した模型またはスキャンデータをコンピュータ上にて、各歯毎に分離切断し、歯それぞれの単体型を作る。
・歯単体型を矯正後の理想歯列に再配置する。
・特定歯列を矯正するための矯正ワイヤを特定歯列の各歯の対象部位に固設したワイヤ治具に挿通し、特定歯列を矯正するための共通の矯正ワイヤとする。
・理想歯列に対応したワイヤ治具と共通矯正ワイヤを型から取り去り、それを患者の特定歯列に装着する。
・ワイヤ治具と共通矯正ワイヤを患者の歯列へ装着するに際しては、特定歯列の対象部位にワイヤ治具を固設し該治具に共通矯正ワイヤを挿通し、その前後端を歯列に固定する。
・特定歯列中の要矯正歯とその近傍の歯に当接する一部を切欠したマウスピースを歯列全体に被覆固定する。
・矯正の進行にともない共通矯正ワイヤの緊締操作とマウスピースの取り替えを行いながら所定の歯列に矯正する。
・矯正完了後は、マウスピースと共通矯正ワイヤとワイヤ治具の除去を行う。
・石膏または口腔内スキャナーで患者の矯正前歯列の型を取る。
・歯列の型から形成した模型またはスキャンデータをコンピュータ上にて、各歯毎に分離切断し、歯それぞれの単体型を作る。
・歯単体型を矯正後の理想歯列に再配置する。
・特定歯列を矯正するための矯正ワイヤを特定歯列の各歯の対象部位に固設したワイヤ治具に挿通し、特定歯列を矯正するための共通の矯正ワイヤとする。
・理想歯列に対応したワイヤ治具と共通矯正ワイヤを型から取り去り、それを患者の特定歯列に装着する。
・ワイヤ治具と共通矯正ワイヤを患者の歯列へ装着するに際しては、特定歯列の対象部位にワイヤ治具を固設し該治具に共通矯正ワイヤを挿通し、その前後端を歯列に固定する。
・特定歯列中の要矯正歯とその近傍の歯に当接する一部を切欠したマウスピースを歯列全体に被覆固定する。
・矯正の進行にともない共通矯正ワイヤの緊締操作とマウスピースの取り替えを行いながら所定の歯列に矯正する。
・矯正完了後は、マウスピースと共通矯正ワイヤとワイヤ治具の除去を行う。
上記の手順より行う請求項1に記載のマウスピースを用いた矯正方法にも特徴を有する。
本発明の歯列矯正用マウスピースMは、図1に示すように、要矯正歯Tを含む上顎、下顎の両方もしくはどちらか一方の歯列Dに被覆装着される(ここでは、下顎の歯列を基に説明する。)。
次に矯正手段について図面を用いて詳説する。図6は本発明の歯列矯正用マウスピースを用いた矯正手段にかかる手順を示すフロー図である。
次に、本発明に係るワイヤ治具3の他の実施例について図を用い詳説する。図7及び図8は本発明の矯正方法に係るワイヤ治具3の他の実施例を示す模式的斜視図である。
Y ワイヤ矯正手段
D 歯列
T 要矯正歯
S 空間
1 歯面切欠部
11 頬側面
12 舌側面
2 咬合面
3 ワイヤ治具
31 挿通孔
32 曲面
33 凸部
34 矯正補助治具
4 矯正ワイヤ
Claims (2)
- 要矯正歯を含んだ全歯列に矯正用マウスピース本体を被覆して矯正を行う歯列矯正用マウスピースにおいて奥歯近傍または前歯近傍の特定歯列に対応する矯正用マウスピース本体の歯に当接する一部を切欠して該マウスピース本体から特定歯列を露出した状態とする歯列矯正用マウスピース。
- 要矯正歯を含んだ全歯列に矯正用マウスピース本体を被覆する歯列矯正方において、次の手順より行う請求項1に記載のマウスピースを用いた矯正手段。
・石膏または口腔内スキャナーで患者の矯正前歯列の型を取る。
・歯列の型から形成した模型またはスキャンデータをコンピュータ上にて、各歯毎に分離切断し、歯それぞれの単体型を作る。
・歯単体型を矯正後の理想歯列に再配置する。
・特定歯列を矯正するための矯正ワイヤを特定歯列の各歯の対象部位に固設したワイヤ治具に挿通し、特定歯列を矯正するための共通の矯正ワイヤとする。
・理想歯列に対応したワイヤ治具と共通矯正ワイヤを型から取り去り、それを患者の特定歯列に装着する。
・ワイヤ治具と共通矯正ワイヤを患者の歯列へ装着するに際しては、特定歯列の対象部位にワイヤ治具を固設し該治具に共通矯正ワイヤを挿通し、その前後端を歯列に固定する。
・特定歯列中の要矯正歯とその近傍の歯に当接する一部を切欠したマウスピースを歯列全体に被覆固定する。
・矯正の進行にともない共通矯正ワイヤの緊締操作とマウスピースの取り替えを行いながら所定の歯列に矯正する。
・矯正完了後は、マウスピースと共通矯正ワイヤとワイヤ治具の除去を行う。
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KR1020237015263A KR20230088379A (ko) | 2020-10-05 | 2020-10-05 | 치열 교정용 마우스피스 및 상기 마우스피스를 이용한 치열 교정 수단 |
PCT/JP2020/037677 WO2022074702A1 (ja) | 2020-10-05 | 2020-10-05 | 歯列矯正用マウスピース及び該マウスピースを用いた歯列矯正手段 |
JP2020554914A JPWO2022074702A1 (ja) | 2020-10-05 | 2020-10-05 | |
US18/193,757 US20230240806A1 (en) | 2020-10-05 | 2023-03-31 | Orthodontic mouthpiece and orthodontic means using mouthpiece |
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Citations (2)
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JP2007260158A (ja) * | 2006-03-28 | 2007-10-11 | Matsushita Electric Works Ltd | 歯列矯正装置 |
JP2019055179A (ja) * | 2017-08-17 | 2019-04-11 | 澄祥 洪 | 歯列矯正装置 |
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US6450807B1 (en) | 1997-06-20 | 2002-09-17 | Align Technology, Inc. | System and method for positioning teeth |
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Patent Citations (2)
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JP2007260158A (ja) * | 2006-03-28 | 2007-10-11 | Matsushita Electric Works Ltd | 歯列矯正装置 |
JP2019055179A (ja) * | 2017-08-17 | 2019-04-11 | 澄祥 洪 | 歯列矯正装置 |
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KR20230088379A (ko) | 2023-06-19 |
JPWO2022074702A1 (ja) | 2022-04-14 |
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