WO2023241619A1 - Appareil orthodontique - Google Patents

Appareil orthodontique Download PDF

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Publication number
WO2023241619A1
WO2023241619A1 PCT/CN2023/100168 CN2023100168W WO2023241619A1 WO 2023241619 A1 WO2023241619 A1 WO 2023241619A1 CN 2023100168 W CN2023100168 W CN 2023100168W WO 2023241619 A1 WO2023241619 A1 WO 2023241619A1
Authority
WO
WIPO (PCT)
Prior art keywords
brace body
accessory
orthodontic device
teeth
dental orthodontic
Prior art date
Application number
PCT/CN2023/100168
Other languages
English (en)
Chinese (zh)
Inventor
刘超
房兵
李振霞
Original Assignee
上海交通大学医学院附属第九人民医院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海交通大学医学院附属第九人民医院 filed Critical 上海交通大学医学院附属第九人民医院
Publication of WO2023241619A1 publication Critical patent/WO2023241619A1/fr

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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

Definitions

  • the utility model relates to the field of medical instruments, in particular to a dental orthodontic device.
  • attachments are auxiliary components often used in the process of invisible braces correction of teeth. Correct design and placement of attachments is an effective way to solve the insufficient retention force of invisible braces. Accessories can be used to increase the retention force of invisible braces. The retention force of the braces can also assist and enhance some tooth movement.
  • the attachments are bonded to the teeth during use, and the braces are used in conjunction with the attachments after wrapping them.
  • the braces that currently provide correction often wrap the entire attachment, which is beneficial to enhancing the retention of the braces and is also suitable for the braces to exert force on the corresponding teeth.
  • the application number is 202020023319.7, and the name is "Bracket-less braces for assisting molar movement”
  • the Chinese utility model patent "Slot Orthodontic Accessory Structure" provides a bracketless orthodontic accessory structure for assisting molar movement, including an accessory located on the side of the teeth and a brace that fits the teeth.
  • the attachment corresponds to the matching slot; the attachment is a bump with at least one notch, and the notch faces the occlusal side of the teeth.
  • the notch of the accessory is matched with the slot of the brace, and the notch of the accessory clamps the inside of the slot to fix the slot, thereby preventing dislocation of the brace and enhancing the control ability of the brace over the teeth through the attachment.
  • the close fit of the braces and attachments limits the tooth movement range to the deformation range of each brace, and at the same time only exerts intermittent force on the teeth from a biological perspective.
  • the deformation of the braces gradually decreases, and the force exerted on the teeth also gradually weakens.
  • Multiple braces need to be replaced regularly to make the teeth gradually move, which affects the treatment time and increases the number of braces used in the course of treatment.
  • the present invention provides a dental orthodontic device.
  • the dental orthodontic device includes a brace body.
  • the brace body cooperates with an accessory provided on the target teeth.
  • the brace body abuts one side of the accessory and generates thrust on the accessory, and the other side of the accessory has an open space; the area of the brace body corresponding to the target tooth has a space for the target tooth. The space for movement under said thrust force.
  • the brace body is provided with a receiving channel; the receiving channel extends in a preset direction; the size of the receiving channel is suitable for accommodating all or part of the accessory; the position of the receiving channel is suitable for when the accessory is required.
  • the accessory abuts one end of the accommodating channel, and causes this end to generate the thrust force on the accessory.
  • the receiving channel is a groove structure provided in the brace body.
  • accommodation channel is a through-hole structure opened along the thickness direction of the brace body.
  • accommodation channel is a through-groove structure extending along the thickness direction of the brace body.
  • part or all of the side surfaces of the accommodation channel are configured or equipped with a curved structure that bends toward the inside of the accommodation channel.
  • the outer side of the accommodation channel defines a side wall area, and the thickness of the side wall area is greater than the thickness of the adjacent area.
  • the outer side of the accommodation channel defines a side wall area, and the hardness of the side wall area is different from the hardness of adjacent areas.
  • the dental orthodontic device further includes a retention component, the retention component is fixedly connected to the brace body, and the retention component defines the accommodation channel.
  • brace body is integrally formed.
  • the dental orthodontic device of the present invention provides a channel or space on the brace body for movement of target teeth and accessories fixed thereon, so that when each brace is worn, the amount of movement of the target teeth during correction can be greatly increased. At the same time, the friction and movement resistance are reduced, and the teeth are given a more continuous and gentle force, so that during the treatment of specific tooth movements, the treatment time can be more safely shortened and the number of braces used in the treatment can be reduced.
  • the dental orthodontic device of the present invention can be used in combination with various fixed orthodontic technologies, such as traditional metal brackets, transparent brackets, etc.
  • various fixed orthodontic technologies such as traditional metal brackets, transparent brackets, etc.
  • the doctor needs to operate in the patient's mouth to apply force to the teeth during monthly follow-up visits. If the patient cannot complete the monthly follow-up visit, the teeth cannot move.
  • the patient can wear the dental orthodontic device of the present invention on the basis of the original fixed appliance, and can directly apply correction force to the teeth without a doctor's operation, maintaining the original
  • the treatment plan reduces the number of patient follow-up visits and shortens the treatment time.
  • Figure 1 is a schematic structural diagram of a dental orthodontic device according to Embodiment 1 of the present invention.
  • Figure 2 is a side cross-sectional view of the tooth 20 in Figure 1;
  • Figure 3 is another structural schematic diagram of the dental orthodontic device according to Embodiment 1 of the present invention, showing the side wall area 120;
  • Figure 4 is a side cross-sectional view of the tooth 20 in Figure 3;
  • Figure 5 is another side cross-sectional view of the tooth 20 in Embodiment 1 of the present invention, in which the through hole
  • the upper and lower sides of 110 are set as curved structures
  • Figure 6 is a schematic structural diagram of the dental orthodontic device according to Embodiment 1 of the present invention after adjusting the side structure of the through hole;
  • Figure 7 is a structural schematic diagram of the dental orthodontic device according to Embodiment 1 of the present invention after another adjustment to the side structure of the through hole;
  • Figure 8 is another structural schematic diagram of the dental orthodontic device according to Embodiment 1 of the present invention, in which the through hole 110 extends in the vertical direction;
  • Figure 9 is a schematic structural diagram of a dental orthodontic device according to Embodiment 2 of the present invention.
  • Figure 10 is a side cross-sectional view of the tooth 20 in Figure 7;
  • Figure 11 is a schematic structural diagram of a dental orthodontic device according to Embodiment 3 of the present invention.
  • Figure 12 is a schematic structural diagram of a dental orthodontic device according to Embodiment 4 of the present invention.
  • Figure 13 is a schematic structural diagram of a dental orthodontic device according to Embodiment 5 of the present invention.
  • Figure 14 is a schematic structural diagram of replacing the accessory in Embodiment 1 with a metal bracket;
  • FIG. 15 is a side cross-sectional view of the tooth 20 in FIG. 14 .
  • FIGS 1 and 2 show a schematic structural diagram of a dental orthodontic device according to an embodiment of the present invention, which includes a brace body 100 that can be worn on the maxillary dentition.
  • the structure of the brace body 100 is similar to that of existing invisible braces used for tooth correction.
  • the structures are generally similar, and both have inner contours that are suitable for adjusting the position of the teeth in the dentition, and are suitable for wearing on the maxillary dentition.
  • This embodiment is described based on the maxillary dentition.
  • the same principle can also be applied to the mandibular dentition, or the upper and lower jaws. Part of the tooth in the dentition.
  • Figure 1 shows an example of the brace body 100 being worn on the teeth 10, 20 and 30.
  • the attachment 600 is fixedly pasted on the tooth 20.
  • the attachment 600 is arranged on the labial and buccal side of the tooth 20.
  • a lateral force (a force to the left in the perspective of Figure 1) can be applied to the attachment 600, so that the tooth 20 Move closer to the tooth 10.
  • the brace body 100 is provided with a strip-shaped through hole 110 that extends transversely in length.
  • the width of the through hole 110 is suitable for accommodating the accessory 600 .
  • the vertical dimension of the accessory 600 is no larger than the width of the through hole 110 .
  • the position of the through hole 110 corresponds to the tooth 20. Specifically, when the brace body 100 is worn, the accessory 600 enters the through hole 110, and the right side 111 of the through hole 110 abuts the accessory 600, or the accessory 600. The right side abuts the right side 111 of the through hole 110 , and the right side 111 of the through hole 110 generates a thrust force on the accessory 600 , specifically a thrust force that pushes the accessory 600 to the left.
  • the source of the above-mentioned thrust force may be based on the elastic restoring force of the brace body 100. For example, there is a certain distance difference between the position of the through hole 110 on the brace body 100 and the position of the accessory 600. Specifically, the right side 111 of the through hole 110 is compared with the position of the accessory 600.
  • the right side is closer to the teeth 10 , so when the brace body 100 is worn, due to the staggered position of the through hole 110 and the accessory 600 , when the accessory 600 is placed in the through hole 110 , the accessory 600 abuts the right side of the through hole 110 surface 111, so that the through hole 110 is stretched laterally to the right, and the material of the brace body 100 at the right side 111 and its nearby connection deforms, generating a rebound force, thereby pushing the accessory 600 to the left, that is, the through hole is 110 Elastic recovery force to return to the original state (undeformed state).
  • the brace body 100 When the brace body 100 is worn, there is a moving space between the teeth 10 and 20 for the teeth 20 to move toward the teeth 10. At this time, the brace body 100 fully or partially covers the labial and buccal surfaces, the palatolingual surfaces of the teeth 20 and The occlusal surface does not cover or block the left side of the tooth 20, and at the same time, space is reserved for the path of the high point of the tooth 20 when moving to the target position.
  • the teeth 20 are not blocked in the movement direction of the correction and can move a longer distance.
  • the overall retention of the brace body 100 may depend on attachments provided on other teeth, which will not be described in detail here.
  • the brace body 100 does not completely cover the teeth 10 and 30, but only partially covers the crown surface of the teeth or only contacts other attachments on the surfaces of the teeth 10 and 30.
  • the remaining portion of the crown can be used for Bonding of other braces.
  • the brace body 100 is formed in one piece.
  • the brace body 100 can also be obtained by shearing and adjusting the integrally molded model. Preferably, it can be formed by 3D printing.
  • opening the through hole 110 may affect the elastic stress of the surrounding brace parts and the strength to maintain its shape, so that the local elastic stress will be released at the through hole 110. This affects the correction of the surrounding teeth. For example, when the teeth 10 and/or the teeth 30 need to be corrected through the elastic restoring force of the brace body 100, the through hole 110 may weaken the elastic force, thereby affecting the teeth 10 and/or the teeth 30.
  • a side wall area 120 is defined around the through hole 110 on the brace body 100 .
  • the annular side wall area 120 defines the through hole 110 .
  • the size of the side wall area 120 can be The control is adjusted in the area corresponding to the tooth 20.
  • the labeling of the side wall area 120 in the illustration is intended to delineate a certain area on the brace body 100 for targeted explanation, and does not mean that the side wall area 120 is necessarily separated from the brace body 100 .
  • the side wall area 120 may also be part of the integrally formed structure of the brace body 100.
  • the overall thickness of the side wall region 120 is greater than the thickness of its adjacent regions.
  • the overall thickness difference of the brace is small. After the thickness of the side wall region 120 is increased, the side wall region 120 is larger than the adjacent region. The area is less susceptible to deformation, thereby limiting the release of elastic stress at the through hole 110 caused by opening the through hole 110 , while ensuring that the movement path of the tooth 20 does not deviate from the preset track 110 when the tooth 20 is moved by the attachment 600 .
  • the thickness of the side wall region 120 is not adjusted, but the hardness of the side wall region 120 is adjusted so that the hardness of the side wall region 120 is greater than the hardness of the adjacent region, so that the side wall region 120 can also be made
  • the wall region 120 is less susceptible to deformation than the adjacent regions; or the hardness of the side wall region 120 is made smaller than the hardness of the adjacent regions to make the elastic stress release softer and slower. That is, the elastic stress release at the through hole 110 is limited by the difference in hardness between the sidewall area 120 and its adjacent areas.
  • the thickness and hardness of the side wall region 120 are adjusted simultaneously, so that the thickness of the side wall region 120 is greater than the thickness of the adjacent regions, and the hardness of the side wall region 120 is different from the hardness and elasticity of the adjacent regions. , to better limit the elastic stress release at the through hole 110.
  • the above-mentioned side wall area 120 is configured as a component separate from the brace body 100 and is fixedly installed on the brace body 100, such as bonding, slot connection, etc.
  • the through hole 110 is It is defined by the above-mentioned annular component, that is, the through hole 110 is the central through hole of the annular component.
  • the above component is made of metal material, for example, the metal material is rolled into a square tube shape, so that the component can be made thinner.
  • the attachment 600 will always be in contact with the upper side 112 and/or the lower side 113, and the amount of friction when the two are in contact will also affect the amount of movement of the teeth 20.
  • the elasticity and hardness of the edge of the above-mentioned component can be changed to reduce the friction force generated during the relative movement of the accessory 600 and the accessory 600 .
  • the side of the through hole 110 is set as a curved surface structure, specifically, is set as an outer curved surface, that is, the curved surface is convex outward. rise, or bend toward the inside of the through hole 110, as shown in FIG. 5 .
  • the contact between the attachment 600 and the upper side 112 and/or the lower side 113 changes from surface contact to line contact, thereby reducing the friction between the two. Helps increase tooth movement by 20%.
  • the curved surface can also be configured as a curling structure, which not only increases the thickness and strength of the side of the through hole 110, but also allows the curved surface structure in contact with the accessory 600 to provide better elasticity than the flat contact, such as the tooth 20 being pushed laterally.
  • a vertical deflection occurs, that is, the attachment 600 will deflect vertically and press the upper side 112 or the lower side 113, although the upper side 112 or the lower side 113 of the planar structure will also provide elasticity to the attachment 600 force to keep it in the expected vertical position as much as possible, but the curved structure of the upper side 112 or the lower side 113 is more elastic than the flat structure, so the elastic force acting on the accessory 600 is more conducive to keeping the accessory 600 in the expected vertical position. to the position.
  • the curved structure arrangement of the upper side 112 and the lower side 113 in Figure 5 can also be used on the right side 111, which helps the thrust force on the accessory 600 to be slowly released, making the force softer and longer lasting.
  • the right side 111 is provided with a curling structure. As mentioned above, the optimization of thrust force can be further improved.
  • the right side 111 is arranged to include a wavy convex curved surface, so that when it acts on Attachment 600 also enables the thrust to be released slowly, making it softer and more durable.
  • Attachment 600 also enables the thrust to be released slowly, making it softer and more durable.
  • the shape and number of the wavy shapes in the above structure are not limited here.
  • the brace body 100 is provided with a mounting slot 130 (shown by dotted lines) in the area on the right side of the accessory 600 , and both ends of the elastic piece 140 that matches the mounting slot 130 can be inserted. And is restricted in the installation groove 130, so that the elastic piece 140 bends toward the accessory 600, and resists the accessory 600 to provide force to it.
  • the thrust force can also be adjusted by selecting different elastic pieces 140, such as selecting elastic pieces 140 of different materials and/or sizes to adjust the effect on the attachment.
  • the material of the elastic piece 140 can be metal, plastic, etc., and is not limited here.
  • Figure 8 shows an example in which the through hole 110 on the brace body 100 extends in the vertical direction.
  • the tooth 20 needs to be pulled downward.
  • the attachment 600 abuts The upper side of the through hole 110 is held, so that the tooth 20 is moved downward by the thrust of this side.
  • the extension direction of the through hole 110, as well as the shape and cross section of the track can be set accordingly to meet the needs of tooth correction.
  • Figures 9 and 10 show a schematic structural diagram of a dental orthodontic device according to another embodiment of the present invention, which includes a brace body 200 that can be worn on the maxillary dentition.
  • the conditions of tooth 10, tooth 20 and tooth 30, as well as the arrangement of attachment 600 are the same as those in the first embodiment.
  • a strip-shaped groove 210 is provided on the inside of the brace body 200.
  • the accessory 600 enters the groove 210, and at the same time the accessory 600 abuts the side wall 211 of the groove 210, which generates a thrust force on the accessory 600, specifically a thrust force that pushes the accessory 600 to the left.
  • the width and depth of the groove 210 are appropriately enlarged relative to the size of the accessory 600 , so that a certain distance can be maintained between the side walls 212 , 213 and the bottom surface 214 of the groove 210 and the accessory 600 , that is, there is a certain distance between the groove 210 and the accessory 600 . Gaps can be left between.
  • the channel defined by the groove 210 in this embodiment is similar in structure to the through hole 110 in the first embodiment, and can achieve the same function as the through hole 110 .
  • This embodiment can also be understood as, based on the structure of Embodiment 1, the exposed attachment 600 is wrapped in the brace body. Therefore, the relevant settings of the brace body 100 and its through hole 110 in Embodiment 1 can be used for the brace body 200 and its groove 210 , including the structural settings for generating thrust, the side shape or structure of the through hole 110 , and the through hole.
  • the arrangement of the extending direction of the hole 110, the arrangement of the side wall area 120 defined for the through hole 110, the arrangement of the annular component, etc. will not be described again here.
  • Figure 11 shows a schematic structural diagram of a dental orthodontic device according to another embodiment of the present invention, which includes a brace body 300 that can be worn on the maxillary dentition.
  • the conditions of tooth 10, tooth 20 and tooth 30, as well as the arrangement of attachment 600 are the same as those in the first embodiment.
  • the brace body 300 does not wrap the teeth 20, but is provided with a belt-shaped component 310 at the position of the tooth 20.
  • the two ends of the belt-shaped component 310 are respectively connected to the braces wrapping the teeth 10 and 30.
  • the strip-shaped through hole 311 is provided on the strip-shaped component 310 .
  • the through hole 311 in this embodiment is basically the same as the through hole 110 in the first embodiment in terms of structural arrangement, and can achieve the same function as the through hole 110 . Therefore, the relevant settings of the brace body 100 and its through hole 110 in Embodiment 1 can be used for the brace body 300 and its through hole 311 , including the structural settings for generating thrust, the side shape or structure of the through hole 110 , and the through hole. The setting of the extending direction of the hole 110 and so on will not be described in detail here.
  • the definition of the side wall area of the through hole 311 can preferably be expanded to the entire band-shaped component 310, that is, the setting of the side wall area 120 in the first embodiment is used for the band-shaped component 310, which is beneficial to strengthening the braces. Retention and correction effects.
  • the through hole 311 is replaced with a groove structure as in the second embodiment, so that the accessory 600 is not exposed, but is wrapped by the brace body.
  • Figure 12 shows a schematic structural diagram of a dental orthodontic device according to another embodiment of the present invention, which includes a brace body 400 that can be worn on the maxillary dentition.
  • the conditions of tooth 10, tooth 20 and tooth 30, as well as the arrangement of attachment 600 are the same as those in the first embodiment.
  • the brace body 400 does not wrap the teeth 20, but is provided with a belt-shaped component 410 at the position of the tooth 20.
  • the two ends of the belt-shaped component 410 are connected to the braces wrapping the teeth 10 and 30 respectively.
  • ribbon The component 410 is provided with a through groove 411, the width of the through groove 411 extends in the transverse direction, and the length of the through groove 411 is the thickness of the strip component 410.
  • the through slot 411 used in this embodiment has a structure that covers the upper side of the accessory 600 and the lower side of the accessory 600 is an open space, while the latter structure simultaneously covers the accessory 600 On the upper and lower sides of 600, the structure in this embodiment can also achieve the same function as the through hole 311. Therefore, similar to the third embodiment, the relevant settings for the brace body 100 and its through hole 110 in the first embodiment can also be used for the brace body 400 and its through slot 411 , including the structural settings for generating thrust, and the through hole. The setting of the side shape or structure of 110 and the setting of the extending direction of the through hole 110 (corresponding to the width extending direction of the through groove 411 in this embodiment) will not be described again here.
  • the definition of the side wall area of the through groove 411 can preferably be expanded to the entire belt-shaped assembly 410 , that is, the setting of the side wall area 120 in the first embodiment is used for the belt-shaped assembly 410 , which is conducive to enhancing the retention and correction effect of braces.
  • the through slot 411 is configured to open upward. In other embodiments, the through slot 411 is configured to open downward, that is, the upper side of the accessory 600 is covered, and the lower side of the accessory 600 is an open space. Likewise, openings in different directions can be provided as needed.
  • the width, length, thickness and shape of the strip-shaped component 410 are not limited.
  • Figure 13 shows a schematic structural diagram of a dental orthodontic device according to another embodiment of the present invention, which includes a brace body 500 that can be worn on the maxillary dentition.
  • a brace body 500 that can be worn on the maxillary dentition.
  • the tooth 20 needs to be pulled downward, and the attachment 600 is fixedly attached to the tooth 20.
  • the brace body 500 does not wrap the teeth 20, but is provided with a belt-shaped component 510 at the position of the tooth 20.
  • the two ends of the belt-shaped component 510 are connected to the braces wrapping the teeth 10 and 30 respectively.
  • the belt-shaped component 510 is placed on the upper side of the attachment 600.
  • the belt-shaped component 510 is in a tensile deformation state, and its elastic recovery causes it to exert a downward pulling force on the attachment 600.
  • the magnitude of the above-mentioned pulling force can be adjusted by setting the length of the band component 510 or the position of the attachment 600 on the tooth 20 .
  • there is an open space below the accessory 600 so there is no obstruction in the moving direction. Compared with the existing accessory that is completely wrapped by braces, it can move a longer distance.
  • the direction and shape of the band component 510 are determined according to the treatment plan.
  • the band component 510 can be located below the attachment 600, or in other directions of the attachment 600 as needed.
  • the band component By wearing the brace body 500, the band component The misalignment between 510 and the accessory 600 causes the belt-shaped component 510 to deform, and exerts a force on the accessory 600 by using the rebound force.
  • there are no restrictions on the direction, shape, thickness, etc. of the belt-shaped component 510 It can be set into a polygonal shape, a curved shape, a folded shape, etc. as needed.
  • There is no limit on the material of the belt-shaped component 510 and it can be designed as needed.
  • connection method of the belt-shaped component 510 to the brace body 500 It is made of the same material as the brace body 500 or other materials; there is no restriction on the connection method of the belt-shaped component 510 to the brace body 500. It can be integrally formed, or the belt-shaped component 510 can be As a discrete component, it is provided on the brace body 500 through corresponding connection methods, such as bonding, snapping, plugging, etc.
  • a suitable attachment structure can be selected according to the needs of correction, such as attachments with different geometric shapes.
  • the attachment 600 is also provided with other devices (such as anchorage system, etc.), the hooks or loops are arranged on the side of the accessory 600 away from the teeth and exposed to the outside of the brace body 100 .
  • Each dental orthodontic device in the above embodiment can also be used with various existing metal brackets.
  • Figures 14 and 15 are structural schematic diagrams of the metal bracket 720 applied to the dental orthodontic device of the present invention.
  • the teeth 10, 30 are also provided with metal brackets 710 and 730 respectively, and the archwires 800 installed on the metal brackets 710, 720 and 730 are also shown.
  • any one or more of the metal brackets 710, 720, and 730 can also be replaced with other accessory structures.
  • the brace body 100 can be configured to partially cover the teeth 10, 20, and 30 as needed to facilitate removal without affecting the brackets and archwires originally located on the tooth surfaces.
  • the groove is set by setting a gap between the bottom surface 214 of the groove 210 and the surface of the metal bracket to avoid affecting the movement of the bracket.
  • teeth 10, 20, and 30 in the above embodiments are only for illustration, and the teeth 10, 20, and 30 are not limited to adjacent teeth. Other teeth can be spaced in between, and additional teeth such as through the teeth can be added to the other teeth. Structures such as holes 110, grooves 210, strip components 310, 410, 510 and various accessories and their additional structures.
  • accessories fixed to the crown such as the above-mentioned attachment 600, metal brackets 710, 720, 730 and other attachment structures, can be arranged at any position of the crown, such as the lingual side, the occlusal surface, etc.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Le présent modèle d'utilité concerne un appareil orthodontique. L'appareil orthodontique comprend un corps d'alvéole dentaire, le corps d'alvéole dentaire étant mis en correspondance avec un accessoire disposé sur une dent cible. Lorsqu'il est porté, le corps d'alvéole dentaire vient en butée contre un côté de l'accessoire et génère une poussée sur l'accessoire, et l'autre côté de l'accessoire est pourvu d'un espace ouvert ; la zone du corps d'alvéole dentaire correspondant à la dent cible est pourvue d'un espace pour que la dent cible se déplace sous l'action de la poussée.
PCT/CN2023/100168 2022-06-15 2023-06-14 Appareil orthodontique WO2023241619A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202221514566.2 2022-06-15
CN202221514566.2U CN218220341U (zh) 2022-06-15 2022-06-15 牙齿矫治装置

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WO2023241619A1 true WO2023241619A1 (fr) 2023-12-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218220341U (zh) * 2022-06-15 2023-01-06 上海交通大学医学院附属第九人民医院 牙齿矫治装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104144655A (zh) * 2012-02-15 2014-11-12 阿莱恩技术有限公司 利用托槽来容纳渐增和连续牙齿移动的壳型矫正器、系统和方法
US20140363779A1 (en) * 2013-06-07 2014-12-11 Align Technology, Inc. Adjusting a tooth position
CN206167068U (zh) * 2016-05-23 2017-05-17 浙江中医药大学 无托槽隐形矫正器
US11337780B1 (en) * 2021-04-19 2022-05-24 Biotech Innovations, Inc. Clear aligner attachment system and method
CN218220341U (zh) * 2022-06-15 2023-01-06 上海交通大学医学院附属第九人民医院 牙齿矫治装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104144655A (zh) * 2012-02-15 2014-11-12 阿莱恩技术有限公司 利用托槽来容纳渐增和连续牙齿移动的壳型矫正器、系统和方法
US20140363779A1 (en) * 2013-06-07 2014-12-11 Align Technology, Inc. Adjusting a tooth position
CN206167068U (zh) * 2016-05-23 2017-05-17 浙江中医药大学 无托槽隐形矫正器
US11337780B1 (en) * 2021-04-19 2022-05-24 Biotech Innovations, Inc. Clear aligner attachment system and method
CN218220341U (zh) * 2022-06-15 2023-01-06 上海交通大学医学院附属第九人民医院 牙齿矫治装置

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