WO2021251421A1 - Dispositif de correction amovible du type épousant la forme de la bouche - Google Patents

Dispositif de correction amovible du type épousant la forme de la bouche Download PDF

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Publication number
WO2021251421A1
WO2021251421A1 PCT/JP2021/021871 JP2021021871W WO2021251421A1 WO 2021251421 A1 WO2021251421 A1 WO 2021251421A1 JP 2021021871 W JP2021021871 W JP 2021021871W WO 2021251421 A1 WO2021251421 A1 WO 2021251421A1
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Prior art keywords
mouthpiece
tooth
dentition
occlusal
movement
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PCT/JP2021/021871
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English (en)
Japanese (ja)
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漢俊 金
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漢俊 金
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Priority to JP2022530600A priority Critical patent/JPWO2021251421A1/ja
Publication of WO2021251421A1 publication Critical patent/WO2021251421A1/fr

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    • 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

Definitions

  • the present invention relates to a mouthpiece type removable orthodontic device for moving teeth in the field of orthodontic dentistry.
  • a bracket is attached to the surface of the tooth and the bracket is used.
  • the mainstream is a multi-bracket treatment method that aims to move teeth by ligating and attaching an elastic wire and sliding on a strong wire.
  • the patient needs to spend a treatment period of 2 to 3 years with a fixed orthodontic device such as a bracket or a wire attached in the oral cavity. Therefore, food residue tends to accumulate around the device attached to them, and there is a risk of suffering from tooth decay and gingival inflammation, the attachment can be seen when laughing or talking, and inconvenience and discomfort during eating and talking.
  • Such issues are a heavy burden on the patient in starting and advancing the treatment.
  • a mouthpiece-type removable orthodontic appliance made with a tooth movement prediction model using an elastic polymer material such as a silicone material called ToothPositioner (or DynamicPositioner) for a long time.
  • This orthodontic appliance is used for minor tooth movements, fine finishing after treatment with a multi-bracket orthodontic appliance, and treatment of relapse cases after treatment. It develops corrective power.
  • it is difficult to correct the shape of a silicon material device once created by cutting or the like. Therefore, it is necessary to recreate it every time adjustments such as enhancement of correction force and correction of movement direction are required.
  • the orthodontic force is too strong or too weak, and even if it is repeatedly remade, the effect is uncertain and it is manufactured. Due to its high cost, it is not used much now.
  • this orthodontic device is a mass device that is attached to both the upper and lower jaws, the outer shape becomes large, and it is difficult to obtain the patient's cooperation due to discomfort when wearing it, difficulty in breathing, and saliva dripping. ..
  • a plurality of mouthpieces (70 to 80 as an example) in which the teeth are moved little by little are created by CAD / CAM, and the teeth are replaced in order to move the teeth.
  • a mouthpiece-type orthodontic treatment method is being put into practical use.
  • the conventional mouthpiece type removable orthodontic appliance can solve the problems pointed out in the multi-bracket, it applies the necessary orthodontic force firmly and efficiently and accurately moves the teeth to enhance the therapeutic effect. There is a lot of room for improvement.
  • the conventional removable orthodontic appliance including the mouthpiece type orthodontic appliance
  • a force that antagonizes the orthodontic force is applied to the teeth that support the orthodontic appliance, so that it is not possible to apply an orthodontic force that exceeds the support of the teeth that hold the orthodontic appliance.
  • the device will come off and cannot be worn in the oral cavity for use. Therefore, in the conventional removable orthodontic appliance, there is a limit to the amount of tooth movement that can be adjusted at one time. Therefore, the treatment period tends to be prolonged because the teeth are moved little by little.
  • the conventional mouthpiece type orthodontic appliance is thin and made of a uniform material, distortion and distortion occur at the center (the part that covers the occlusal surface of the tooth) and the end (the edge that covers the cervical part) of the device.
  • the amount of deformation is different, and the elastic force, that is, the applied straightening force is different.
  • it is difficult to continuously apply sufficient corrective force to the edge portion because it deforms as it is repeatedly attached and detached.
  • the conventional mouthpiece type orthodontic device covers the entire occlusal surface of the tooth, the position where the upper and lower mouthpiece type orthodontic devices come into contact, or the facing tooth comes into contact with either the upper or lower mouthpiece type orthodontic device. Since the position is not considered as a physiologically appropriate position, a biased occlusal force due to the non-physiological positional relationship of the upper and lower dentition may be applied to the device. Therefore, it has been pointed out that there is a risk of undesired tooth movement due to distortion generated in the entire device and deviation of the position of the lower jaw.
  • the main object of the present invention is to create a new mouthpiece-type removable orthodontic appliance that can apply orthodontic force only to the tooth to be moved.
  • the present invention is a mouthpiece type orthodontic device based on a predicted tooth row before and after movement created from digital three-dimensional information of the patient's tooth row morphology, and has a crown shape suitable for a tooth at a position before and after movement of the tooth to be moved.
  • a movement space for moving the tooth along the movement line connecting the crown positions before and after the movement is formed in the device and abuts on the tooth surface on the movement start point side of the movement front crown.
  • the removable mouthpiece type orthodontic device is provided with a tooth surface pad for applying an orthodontic force to the tooth surface and a mounting portion for attaching the tooth surface pad.
  • the orthodontic force is expressed by using the tooth surface pad that transmits the force to the tooth surface.
  • the occlusal surface position where the mouthpiece type orthodontic appliance contacts to a physiologically correct position, it is possible to prevent unnecessary orthodontic force from being applied to the mouthpiece type orthodontic appliance, and the upper and lower dentition with an appropriate occlusal force.
  • the position and the position of the lower jaw can be maintained in the proper position during orthodontic treatment.
  • the feeling of wearing the patient can be enhanced, and the contact position of the upper and lower devices in the patient's oral cavity is harmonized with the original oral function, and the device and function are more stable. By doing so, it is possible to achieve an orthodontic occlusion that matches the original oral function.
  • FIG. 1 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 1 according to an embodiment.
  • FIG. 2 is a partial view showing an example of the maxillary dentition model, and is a view of the dentition model viewed from the occlusal surface side.
  • FIG. 3 is a partial view of a plan view showing an example of a mouthpiece 1 created by using the simulation model of the dentition shown in FIG. 2.
  • FIG. 4 is a schematic cross-sectional view of the mouthpiece 1 cut along II-II of FIG.
  • FIG. 5 is a schematic cross-sectional view of FIG. 4 in a state where the tooth surface pad 20 is replaced with a thick tooth surface pad 20.
  • FIG. 6 is a schematic cross-sectional view of FIG.
  • FIG. 7 is a side view (FIG. 7 (A)) and a perspective view (FIG. 7 (B)) showing another embodiment of the tooth surface pad.
  • FIG. 8 is a side view of the mouthpiece type removable orthodontic appliance 1 according to the embodiment.
  • FIG. 9 is a rear view of the mouthpiece type orthodontic appliance 1 shown in FIG. 8 as viewed from the back side (right side and back side in FIG. 8).
  • FIG. 10 is a bottom view of the orthodontic appliance 1 shown in FIG. 8 as viewed from the lower surface side (occlusal surface side).
  • FIG. 11 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 100 according to an embodiment of the present invention.
  • FIG. 11 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 100 according to an embodiment of the present invention.
  • FIG. 12 is an end view of the cut surface of the mouthpiece type orthodontic appliance 100 cut in III-III in FIG.
  • FIG. 13 is an external perspective view showing an example of the mouthpiece type orthodontic appliance 101 according to still another embodiment of the present invention.
  • FIG. 14 is a bottom view of the facing surface member 1C.
  • One embodiment of the present invention is a mouthpiece type orthodontic appliance created based on digital information on the three-dimensional shape of a patient's dentition, in which the tooth surface shape of the crown before and after the movement of the tooth to be moved and the desired position of the tooth. It is a removable mouthpiece type orthodontic appliance characterized in that the moving space required for moving to the mouthpiece is formed in the mouthpiece.
  • the shape of the labial surface before the tooth is moved (the shape of the labial side (outside) of the upper right crown).
  • the shape of the side surface of the tongue after the movement of the tooth (the shape of the lingual side (inside) of the crown No. 1 on the upper right) and the movement space that serves as the movement path of the tooth before and after the movement are formed in the mouthpiece.
  • a tooth surface pad created so as to match the lip surface shape of the tooth at the position after movement is attached to the mouthpiece.
  • the tooth surface pad may include a member that exerts an orthodontic force (moving force) such as an elastic body.
  • a mounting portion for mounting the tooth surface pad may be provided in the mouthpiece.
  • the tooth surface pad may be made of non-elastic material.
  • the orthodontic force may be exhibited by using an elastic material or an elastic body such as a spring plate for the tooth surface pad.
  • the tooth is pushed by the tooth surface pad provided on the labial side of the tooth before movement, and the tooth after movement is provided into the mouthpiece through the movement space. Move to the pinched state so that it fits the shape of the lingual surface of the tooth.
  • the orthodontic force can be increased or adjusted, and finally, the expected position, orientation, and state of the tooth after movement can be obtained. ,
  • the teeth can be moved reliably.
  • the conventional mouthpiece type orthodontic appliance When moving multiple teeth, the conventional mouthpiece type orthodontic appliance creates multiple post-movement dentition models according to the tooth movement order, and creates multiple mouthpiece type orthodontic appliances for each time series. , Need to be prepared.
  • the timing of using the tooth surface pad it is possible to move a plurality of teeth to be moved in order and in chronological order by using one device.
  • the orthodontic force is strengthened or adjusted as necessary, and the tooth surface is firmly held by the tooth surface-shaped tooth surface pad at the position of the moved tooth.
  • the tooth can be accurately moved and corrected so as to be in a three-dimensionally desired position and state by pressure contact.
  • FIG. 1 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 1 according to an embodiment of the present invention.
  • This mouthpiece type orthodontic appliance 1 is attached to the dentition of the maxilla.
  • the mouthpiece type correction device 1 is provided with a unique configuration for realizing correction in the portion indicated by the broken line arrow A2. In the following, the peculiar configuration will be described more specifically.
  • FIG. 2 is a partial view showing an example of the maxillary dentition model, and is a partial view of the dentition model as viewed from the occlusal surface side.
  • a post-movement model of the maxillary central incisor (upper right No. 1) UR1 is created, and it is superimposed on the pre-movement model. Created by giving a moving space that can be oriented and in a state.
  • the simulation model of the dentition can be made by, for example, a dental CAD / CAM system.
  • FIG. 3 is a partial view of a plan view showing an example of a mouthpiece 1 created by using the simulation model of the dentition shown in FIG. 2.
  • the mouthpiece 1 is formed with recesses 3R1, 3R2, 3R3 ..., 3L1, 3L2, 3L3, ... That fit each tooth of the maxilla, and each recess fits into each tooth constituting the dentition of the maxilla. Can be.
  • the mouthpiece 1 can be made as a thick mouthpiece using an elastic material.
  • a thin sheet may be pressed into multiple layers to form a mouthpiece.
  • the undercut portion if blocked out, it may be made of an inelastic material.
  • FIG. 4 is a schematic cross-sectional view of the mouthpiece 1 cut along II-II of FIG.
  • the mouthpiece 1 is formed with a recess 3R1 into which the first UR1 on the upper right is fitted.
  • the mouthpiece 1 has an outer covering portion 11 that covers the outer surface (lip side surface) of the tooth, an inner covering portion 12 that covers the inner surface surface (tongue side surface) of the tooth, and an occlusal covering portion that covers the occlusal side of the tooth. 13 and are included.
  • the inner surface 14 of the outer cover portion 11 has an inner surface shape to which the crown surface shape of the outer surface (lip side surface) before the movement of the upper right No. 1 UR1 which is the tooth to be moved is transferred.
  • the inner surface 15 of the inner covering portion 12 has an inner surface shape to which the crown surface shape of the inner surface (tongue side surface) after the movement of the upper right No. 1 UR1 which is the tooth to be moved is transferred.
  • the inner surface 16 of the occlusal covered portion 13 has a shape along the moving flow line of the occlusal tip portion of the upper right No. 1 UR1 which is the tooth to be moved.
  • a mounting portion 17 is provided on the inner surface 14 of the outer cover portion 11.
  • the mounting portion 17 includes a recess recessed from the surface of the inner surface 14 into the outer cover portion 11.
  • the recess has a relatively narrow opening area at the entrance 171 and a large space area at the inner portion 172 of the recess.
  • the tooth surface pad 20 can be mounted in the recess 3R1 of the mouthpiece 1. Specifically, the tooth surface pad 20 is attached along the inner surface 14 of the outer cover portion 11. The tooth surface pad 20 is for developing and enhancing the orthodontic force for moving the tooth with respect to the upper right No. 1 UR1 which is the tooth to be moved, and for directing the moving direction.
  • the tooth surface pad 20 includes a mounting protrusion 21 that fits into the mounting portion 17. With the mounting protrusion 21 fitted in the mounting portion 17, the outer surface 22 of the tooth surface pad 20 is in close contact with the inner surface 14 of the outer cover portion 11, and the inner surface 23 is the crown of No. 1 UR1 on the upper right. Can be pressed against the outer surface (side of the lips). Then, a corrective force for movement is applied to the upper right No. 1 UR1.
  • the tooth surface pad 20 is created according to the three-dimensional shape of the moving space, but a plurality of tooth surface pads whose thickness is gradually increased in accordance with the movement of the tooth. 20 may be prepared.
  • FIG. 5 exemplifies a tooth surface pad 20 which is relatively thicker than FIG. 4 but relatively thinner than FIG.
  • FIG. 6 illustrates a tooth surface pad 20 that is relatively thicker than that of FIG. 5 and is finally used. In this way, the orthodontic force can be adjusted by replacing the tooth surface pad 20 according to the movement of the teeth.
  • the upper right No. 1 UR1 can be moved to a desired position.
  • the thickness of the tooth surface pad 20 may be set so that the overcorrection force is applied more than the position after the actual movement. In this way, the tooth can be reliably moved to the desired position.
  • the material of the tooth surface pad 20 may be formed of, for example, an inelastic resin material or an elastic material.
  • the tooth surface pad 20 may be made of an elastic material such as silicon resin or silicon rubber, or may be combined with an elastic leaf spring or the like. It may be used as a rubber pad.
  • FIG. 7 is a side view (FIG. 7 (A)) and a perspective view (FIG. 7 (B)) showing another embodiment of the tooth surface pad.
  • the tooth surface pad 30 shown in FIG. 7 is formed of an elastic body including a leaf spring 31 as an example. That is, the leaf spring 31 includes a base portion 32 and a pad portion 33 provided substantially parallel to the base portion 32 at a certain interval from the base portion 32.
  • the base portion 32 and the pad portion 33 may be formed by bending, for example, the lower end side of the leaf spring 31 into a curved shape.
  • the outer surface of the base portion 32 opposite to the surface facing the pad portion 33 may be curved so as to be in close contact with the inner surface 14 of the outer cover portion 11.
  • the outer surface of the base portion 32 is provided with a mounting protrusion 21 that fits into the mounting portion 17 (see FIG. 4) formed on the inner surface 14 of the outer cover portion 11 of the mouthpiece 1.
  • the inner surface of the pad portion 33 (the surface opposite to the surface facing the base portion 32) has a surface shape along the crown shape of the outer surface (lip side surface) after the movement of the upper right No. 1 UR1 which is the tooth to be moved. May be good. Further, small protrusions 35 such as resin may be provided on the inner surface of the pad portion 33 at predetermined positions.
  • the orthodontic force can also be exhibited by the crown pad 30 shown in FIGS. 7 (A) and 7 (B). Then, in the case of the tooth surface pads 30 shown in FIGS. 7A and 7B, a plurality of tooth surface pads 30 having different bending conditions and intervals between the base portion 32 and the pad portions 33 are prepared and replaced. , The orthodontic force can be adjusted according to the movement of the teeth.
  • Bite force quotient is one of the forces that suppresses the antagonistic force that acts to disengage this device and prevents unwanted tooth movement. This occlusal force and occlusal position keep the device in the proper position and condition and allow the corrective force to act properly. Therefore, it is important to properly utilize the quotient force for the stable maintenance of the device in order to obtain good treatment results.
  • the teeth after movement are arranged at the position between the upper and lower jaws where the upper and lower dentitions mesh in the patient's oral cavity, and a predictive model is produced.
  • the upper and lower dentition occlusal positions in the row are not always the correct jaw position and the relationship between the upper and lower jaws. This is because the position of biting, that is, the position of the lower jaw may be displaced due to the incorrect dentition.
  • the mouthpiece type orthodontic device since the device covers the occlusal surface of the tooth, premature contact usually occurs at the molar tooth portion. Moreover, the way of hitting may be different on the left and right. In this way, in the mouthpiece type orthodontic appliance that covers the entire dentition including the occlusal surface, the upper and lower devices are evenly in contact with the entire occlusal surface side at the physiological position, and the occlusal force is applied appropriately and evenly. That is usually difficult.
  • the occlusal surface side contact position of the mouthpiece type orthodontic device is adjusted to the physiologically and functionally appropriate mandibular position, and the occlusal force is evenly applied to the entire surface of the device occlusal surface side contact surface. ..
  • the occlusal of the physiological upper and lower dentition in the oral cavity or the occlusal acquisition that memorizes the contact positional relationship is performed.
  • the physiological positional relationship is confirmed in the oral cavity, and the positional relationship between the upper and lower mouthpiece type orthodontic appliances is recorded at the upper and lower jaw relationship positions.
  • Occlusion acquisition More specifically, when the occlusion is obtained, the thickness of the upper and lower mouthpiece type orthodontic appliance is taken into consideration, and the occlusion of the upper and lower dentition positions in the physiological mandibular position in the opened state is obtained accordingly.
  • the occlusal surface position where the facing surfaces of the upper and lower mouthpiece type orthodontic devices are in contact with each other (the upper and lower devices or either device and the facing dentition).
  • Contact position is set, and for example, when the device is mounted up and down, a maxillary facing surface portion and a mandibular facing surface portion are created and attached to the maxillary device and the mandibular device, respectively.
  • the morphology of the maxillary facing surface is transferred to the facing surface of the maxillary device.
  • the form of the facing surface for the mandible is transferred to the facing surface of the mandibular device.
  • the upper and lower mouthpiece type orthodontic appliances are brought into contact with each other on the upper and lower facing surfaces, so that the occlusal force is evenly applied to the entire upper and lower mouthpiece type orthodontic appliances at the physiologically appropriate position of the lower jaw. It is possible to firmly suppress the reaction that antagonizes the orthodontic force, maintain the upper and lower devices in an appropriate position, and more reliably move the desired teeth.
  • FIG. 8 is a side view of the mouthpiece type removable orthodontic appliance 1 according to the embodiment.
  • This orthodontic appliance 1 is an orthodontic appliance attached to the permanent dentition of the maxilla.
  • the maxillary orthodontic appliance 1 is basically the same as the configuration of the orthodontic appliance 1 described with reference to FIG.
  • FIG. 9 is a rear view of the orthodontic appliance 1 shown in FIG. 8 as viewed from the back side (right side and back side in FIG. 8).
  • FIG. 10 is a bottom view of the orthodontic appliance 1 shown in FIG. 8 as viewed from the lower surface side (occlusal surface side).
  • an engagement shape 131 for performing an appropriate occlusal is formed on the outer bottom surface of the occlusal cover portion 13 of the mouthpiece.
  • the engagement shape 131 may include a convex or concave shape formed on the outer bottom surface of the occlusal cover portion 13.
  • the engagement shape 131 may be a step (step) formed on the outer bottom surface of the occlusal portion 13. The engagement shape 131 is exaggerated for ease of understanding.
  • the engagement shape 131 is occluded so that the upper and lower orthodontic devices abut (occlude) at a physiologically appropriate upper and lower jaw relationship position with the mouthpiece type orthodontic device 1 mounted in the actual oral cavity. Any engagement shape 131 may be used as long as it is obtained and the obtained occlusal acquisition is realized.
  • the engagement shape 131 is the above step (step)
  • the mandible in the orthodontic treatment during the growth period, the mandible is occluded at a position where the mandible is guided to a desired position symmetrically in front of the original position, and the position is obtained.
  • the mandible is guided anteriorly each time it engages, and it can be applied to a mandibular orthodontic treatment that promotes anterior growth of the mandible.
  • the mouthpiece has a two-layer structure of not only the above elastic material but also the elastic material and the non-elastic material that supports the elastic material.
  • the mouthpiece body having recesses that fit the teeth and dentition, and a non-elastic material such as a hard resin that wraps the occlusal side surface of the mouthpiece body and supports the mouthpiece body.
  • a base is provided. This suppresses deformation and reaction to the adjacent tooth due to the orthodontic force applied to the moving tooth, and the occlusal surface of the base is physiologically matched to the occlusal surface shape of the opposing dentition or the opposing mouthpiece. It is possible to give or adjust a shape that makes contact evenly on the entire surface.
  • a mating member mounting portion may be provided on the base portion, and the mating surface member having a shape that is physiologically evenly contacted may be attached to the mounting portion.
  • FIG. 11 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 100 according to an embodiment of the present invention.
  • the mouthpiece type orthodontic appliance 100 is attached to the dentition of the upper jaw in the same manner as the mouthpiece type orthodontic apparatus 1 described with reference to FIG. 1, and as an example, the portion indicated by the broken line arrow A2 is corrected. It has a unique structure for doing so. This peculiar configuration is the same as that provided in the mouthpiece type correction device 1 described above.
  • the feature of the mouthpiece type orthodontic appliance 100 is that a base portion 1B made of an inelastic material such as a hard resin that wraps the occlusal side surface of the mouthpiece body 1 made of an elastic material and supports the mouthpiece body 1 is provided. It is that you are.
  • FIG. 12 is an end view of the cut surface of the mouthpiece type orthodontic appliance 100 cut in III-III in FIG.
  • the mouthpiece type orthodontic appliance 100 includes a mouthpiece body 1 and a base portion 1B.
  • the mouthpiece body 1 is made of an elastic material such as silicone as an example.
  • the mouthpiece body 1 is formed with a recess 3 for attaching to the teeth.
  • the inner side walls 3W1 and 3W2 of the recess 3 are shaped so as to be in close contact with the inner crown surface and the outer crown surface of the tooth to be mounted (for example, upper left No. 7), respectively.
  • the bottom wall 3W3 of the recess 3 is shaped so as to be in close contact with the occlusal surface of the tooth to be mounted (for example, No. 7 on the upper left).
  • the base portion 1B wraps the occlusal surface side of the mouthpiece body 1, and is formed of an inelastic material such as a hard resin as an example.
  • the occlusal surface 1BF which is the lower surface of the base portion 1B, is provided with an engagement shape 131 for physiologically engaging with the opposite teeth of the mandibular dentition or the orthodontic device attached to the mandibular dentition.
  • connection between the base portion 1B and the mouthpiece main body 1 can be performed firmly and fixedly, for example, by mechanically fitting and adhering the elastic material and the non-elastic material by unevenness.
  • the base portion 1B is made of a non-elastic material and is hard. Therefore, when the engagement shape 131 applied to the occlusal surface 1BF of the base portion 1B does not completely fit the patient's physiological occlusal position and needs to be adjusted, it is used in normal dentistry. It can be easily adjusted by using a machine such as cutting to be performed. That is, the mouthpiece type orthodontic appliance 100 can accurately confirm and adjust the error of the occlusal contact position.
  • FIG. 13 is an external perspective view showing an example of a mouthpiece type orthodontic appliance 101 according to still another embodiment of the present invention.
  • the mouthpiece type orthodontic device 101 is also attached to the dentition of the upper jaw in the same manner as the mouthpiece type orthodontic device 1 described with reference to FIG. 1, and as an example, the portion indicated by the broken line arrow A2 is corrected. It has a unique configuration for the purpose. This peculiar configuration is the same as that provided in the mouthpiece type correction device 1 described above.
  • the feature of the mouthpiece type orthodontic appliance 101 is that a base portion 1B made of an inelastic material such as a hard resin that wraps the occlusal side surface of the mouthpiece body 1 made of an elastic material and supports the mouthpiece body 1 is provided.
  • the facing member 1C can be attached to the lower surface (occlusal surface) 1BF of the base portion 1B.
  • the facing surface member 1C is made of a non-elastic material such as a hard resin, and is a thin plate member having a substantially U-shaped or horseshoe-shaped plan view that fits the lower surface 1BF of the base portion 1B.
  • a plurality of convex portions 102 for positioning and fixing when mounting on the lower surface 1BF of the base portion 1B may be provided on the upper surface of the facing surface member 1C.
  • the lower surface (occlusal surface) of the mating surface member 1C is engaged with the mating teeth of the mandibular dentition or the orthodontic device attached to the mandibular dentition for physiological occlusion.
  • the shape 131 is given.
  • the facing member 1C is made of a hard material, the engagement shape 131 can be easily adjusted by using a machine such as cutting. Further, when it is necessary to significantly change the engagement shape 131, the facing surface member 1C can be replaced with a separately prepared facing surface member.
  • an elastic hook may be provided on the outer surface of the facing member 1C, or the facing member 1C with a facebow may be used.

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  • Oral & Maxillofacial Surgery (AREA)
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Abstract

Le dispositif de correction amovible du type épousant la forme de la bouche de l'invention applique la force de correction nécessaire, et présente une grande marge de progression afin de déplacer les dents et d'accroître les résultats thérapeutiques.　Ce dispositif de correction de rangée dentaire amovible du type épousant la forme de la bouche consiste en un appareil épousant la forme de la bouche (1) installé sur une rangée dentaire de la mâchoire supérieure ou de la mâchoire inférieure, et en une partie retrait (3R1) formée dans l'appareil épousant la forme de la bouche, et installée sur les dents à déplacer. Cette partie retrait contient : une face interne de contact en contact avec la couronne dentaire des dents se trouvant en position avant et après déplacement des dents à déplacer ; et un espace de déplacement épousant une ligne de déplacement reliant des positions de couronne dentaire avant et après déplacement. En outre, l'objet de l'invention possède : un tampon de face dentaire (20) qui vient en contact avec une face dentaire côté point de départ de déplacement de la couronne dentaire avant déplacement, et qui est destiné à conférer une force de correction à cette face dentaire ; et une partie mise en place (17) qui est agencée sur la face interne de la partie retrait afin de mettre en place le tampon de face dentaire.
PCT/JP2021/021871 2020-06-09 2021-06-09 Dispositif de correction amovible du type épousant la forme de la bouche WO2021251421A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054387A (zh) * 2022-05-20 2022-09-16 上海交通大学医学院附属第九人民医院 一种具有多种力学特性的复合型牙套式矫治器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006511243A (ja) * 2002-04-03 2006-04-06 ジャック ケイス ヒリアード 矯正アライナ補助システム
JP2008532563A (ja) * 2004-03-25 2008-08-21 ドロール オーソ‐デザイン リミテッド 歯科矯正用装置および方法
JP2013502290A (ja) * 2009-08-21 2013-01-24 デンツプリー・インターナショナル・インコーポレーテッド オーバーレイ法による歯列矯正用アライナの製造
WO2017007962A1 (fr) * 2015-07-07 2017-01-12 Align Technology, Inc. Fabrication de gabarits de fixation et de systèmes d'alignement de matériaux multiples
JP2019507001A (ja) * 2016-03-02 2019-03-14 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動および位置の測定、モニタリング、ならびに制御を伴う歯列矯正システム
JP2019528909A (ja) * 2016-09-19 2019-10-17 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動量及び位置測定、監視、及び、制御を有する歯列矯正システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006511243A (ja) * 2002-04-03 2006-04-06 ジャック ケイス ヒリアード 矯正アライナ補助システム
JP2008532563A (ja) * 2004-03-25 2008-08-21 ドロール オーソ‐デザイン リミテッド 歯科矯正用装置および方法
JP2013502290A (ja) * 2009-08-21 2013-01-24 デンツプリー・インターナショナル・インコーポレーテッド オーバーレイ法による歯列矯正用アライナの製造
WO2017007962A1 (fr) * 2015-07-07 2017-01-12 Align Technology, Inc. Fabrication de gabarits de fixation et de systèmes d'alignement de matériaux multiples
JP2019507001A (ja) * 2016-03-02 2019-03-14 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動および位置の測定、モニタリング、ならびに制御を伴う歯列矯正システム
JP2019528909A (ja) * 2016-09-19 2019-10-17 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動量及び位置測定、監視、及び、制御を有する歯列矯正システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054387A (zh) * 2022-05-20 2022-09-16 上海交通大学医学院附属第九人民医院 一种具有多种力学特性的复合型牙套式矫治器

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