WO2024022001A1 - Dispositif dentaire en forme de coque et corps principal en forme de coque associé - Google Patents

Dispositif dentaire en forme de coque et corps principal en forme de coque associé Download PDF

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Publication number
WO2024022001A1
WO2024022001A1 PCT/CN2023/104111 CN2023104111W WO2024022001A1 WO 2024022001 A1 WO2024022001 A1 WO 2024022001A1 CN 2023104111 W CN2023104111 W CN 2023104111W WO 2024022001 A1 WO2024022001 A1 WO 2024022001A1
Authority
WO
WIPO (PCT)
Prior art keywords
shell
accessory
mounting surface
shaped
dental instrument
Prior art date
Application number
PCT/CN2023/104111
Other languages
English (en)
Chinese (zh)
Inventor
周可拓
黄雷
Original Assignee
无锡时代天使生物科技有限公司
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
Priority claimed from CN202221936310.0U external-priority patent/CN218247429U/zh
Priority claimed from CN202221934118.8U external-priority patent/CN218247428U/zh
Application filed by 无锡时代天使生物科技有限公司 filed Critical 无锡时代天使生物科技有限公司
Publication of WO2024022001A1 publication Critical patent/WO2024022001A1/fr

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/08Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch

Definitions

  • the present application relates generally to shell-like dental instruments and, more particularly, to shell-like dental instruments mounted with standard accessories and shell-like bodies thereof.
  • Shell-shaped dental devices based on polymer materials are becoming more and more popular due to their beauty, convenience, and ease of cleaning.
  • Existing shell-shaped dental instruments are usually in the shape of an integrated shell, which forms a cavity for accommodating multiple teeth.
  • shell-shaped dental instruments for dental treatment (for example, orthodontic treatment or orthognathic treatment)
  • accessories for example, twin-blocks, brackets ( Bracket, Button, Bite Stop and Occlusal Pad, etc.
  • the attachments can be processed separately and fixed to the shell-shaped dental instrument by pasting, welding, mechanical connection, etc.
  • the accessory is a standard part with a predetermined standard shape of the mounting surface.
  • the outer contour of the shell-like dental instrument is basically highly related to the surface shape of the tooth. Therefore, the joint surface between the accessory and the shell-like dental instrument is not There is a high possibility of a mismatch in geometry, which will affect the strength of the attachment on the shell-like dental instrument.
  • the attachment is a non-standard part, and the geometry of its mounting surface is processed according to the shape of the shell-like dental instrument at its installation position.
  • this increases the complexity of attachment processing and reduces the versatility of the attachment.
  • One aspect of the present application provides a shell-shaped main body of a shell-shaped dental instrument, which is an integrated shell and forms a cavity for accommodating multiple teeth and a first accessory mounting area, wherein the first accessory mounting area forms an accessory mounting area.
  • the accessory mounting surface has an artificially designed edge contour shape and geometric form
  • the accessory mounting surface is surrounded by the convex structure
  • the accessory mounting surface is used to install the first accessory, so
  • the edge contour and geometric shape of the bottom mounting surface of the first accessory substantially match the accessory mounting surface.
  • the height of the outer convex structure protruding from the shell-like body is higher than the portion of the accessory mounting surface where it is connected.
  • the size of the inner side of the convex structure gradually decreases from the top to the bottom, which can guide the bottom mounting surface of the first accessory to contact the accessory mounting surface.
  • the transition between the outer side wall of the convex structure and the portion of the shell-like body connecting thereto is gentle.
  • the first accessory is a prefabricated accessory.
  • the first accessory may be one of a jaw pad, a tongue button, a bracket, a flat guide, and a double jaw plate.
  • the accessory mounting surface may have an edge profile that is circular.
  • the accessory mounting surface may be a plane or a curved surface.
  • the first accessory mounting area is used to securely install the first accessory through adhesive bonding.
  • the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
  • a shell-shaped dental instrument which includes a shell-shaped body and a first accessory.
  • the shell-shaped body is an integrated shell forming a cavity for accommodating multiple teeth and a first accessory mounting area. That , the first accessory mounting area forms an accessory mounting surface and a convex structure, the accessory mounting surface has an artificially designed edge contour shape and geometric form, the accessory mounting surface is surrounded by the convex structure, and the The first accessory is installed and fixed on the accessory mounting surface through its bottom mounting surface, and the edge profile and geometry of the first accessory bottom mounting surface basically match the accessory mounting surface.
  • the height of the outer convex structure protruding from the shell-like body is higher than the portion of the accessory mounting surface where it is connected.
  • the size of the inner side of the convex structure gradually decreases from the top to the bottom, which can guide the bottom mounting surface of the first accessory to contact the accessory mounting surface.
  • the transition between the outer side wall of the convex structure and the portion of the shell-like body connecting thereto is gentle.
  • the first accessory is a prefabricated accessory.
  • the first accessory may be one of a jaw pad, a tongue button, a bracket, a flat guide, and a double jaw plate.
  • the accessory mounting surface may have an edge profile that is circular.
  • the accessory mounting surface may be a plane or a curved surface.
  • the first accessory mounting area is used to securely install the first accessory through adhesive bonding.
  • the adhesive that overflows from between the accessory mounting surface and the first accessory bottom mounting surface bonds the inside of the protruding structure and the outside of the first accessory bottom.
  • the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
  • a structure capable of improving bonding strength is formed on the bottom mounting surface of the first accessory.
  • the shell of the body forms a cavity for accommodating multiple teeth and a first accessory mounting surface, wherein the first accessory mounting surface has an artificially designed edge profile and geometric shape for installing and fixing the first accessory.
  • the accessory mounting surface substantially matches the edge contour and geometry of the bottom mounting surface of the first accessory, and an area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.
  • the area of the inner surface of the shell-like body corresponding to the first accessory mounting surface is consistent with the edge profile and geometry of the first accessory mounting surface.
  • the first accessory is a prefabricated accessory.
  • the first accessory is a tongue button, and the edge profile of the first accessory mounting surface is circular.
  • the geometric shape of the first accessory mounting surface is a plane or a curved surface of revolution.
  • the first accessory is mounted and fixed on the shell-shaped body by bonding its bottom mounting surface to the first accessory mounting surface.
  • the first accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
  • an edge of a region of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.
  • a shell-shaped dental instrument which includes a shell-shaped body and a first accessory.
  • the shell-shaped body is an integrated shell forming a cavity for accommodating multiple teeth and a first accessory mounting surface.
  • the first accessory mounting surface has an artificially designed edge profile and geometric shape, the first accessory is installed and fixed on the first accessory mounting surface through its bottom mounting surface, and the edge of the first accessory bottom mounting surface
  • the contour and geometry substantially match the first accessory mounting surface, and the area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface contacts the tooth surface at least at one point.
  • an area of the inner surface of the shell-like body corresponding to the first accessory mounting surface is consistent.
  • the first accessory is a prefabricated accessory.
  • the first accessory is one of the following: a jaw pad, a tongue button, a bracket, a flat guide, and one of a double jaw plate.
  • the first accessory is a tongue button, and the edge profile of the first accessory mounting surface is circular.
  • the geometric shape of the first accessory mounting surface is a plane or a curved surface of revolution.
  • the first accessory is fixedly mounted on the shell-shaped body by bonding its bottom mounting surface to the first accessory mounting surface.
  • the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
  • the adhesive overflowing between the bottom mounting surface of the first accessory and the first accessory mounting surface forms a structure surrounding the edge contour of the bottom mounting surface of the first accessory.
  • an edge of a region of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.
  • Figure 1 schematically shows a shell-shaped dental instrument in one embodiment of the present application
  • Figure 2 schematically shows a partial cross-section of the shell-shaped dental instrument shown in Figure 1 at AA;
  • Figure 3 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application
  • Figure 4 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application
  • Figure 5 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application.
  • Figure 6 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application.
  • Figure 7 schematically shows a shell-shaped dental instrument in yet another embodiment of the present application.
  • Figure 8A schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application.
  • Figure 8B schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application.
  • this application provides a new shell-shaped dental instrument and its shell-shaped body.
  • FIG. 1 a shell-shaped dental instrument 100 in one embodiment of the present application is schematically shown.
  • FIG. 2 schematically illustrates a partial cross-section of the shell-shaped dental instrument 100 shown in FIG. 1 at A-A.
  • the shell-shaped dental instrument 100 includes a shell-shaped body 101 and a tongue button 103 fixed on the outer surface of the shell-shaped body 101 .
  • An accessory mounting area 105 is formed on the shell-shaped body 101, which includes an accessory mounting surface 105a and a protruding structure 105b connected thereto.
  • the protruding structure 105b protrudes toward the outside of the shell-shaped body 101 and connects the accessory mounting surface 105a. Surrounded inside, the protruding height of the outer convex structure 105b is greater than that of the accessory mounting surface 105a and its connected parts.
  • the accessory mounting surface 105a has a manually pre-designed geometric shape and edge contour shape. As a universal standard mounting surface, it basically matches the bottom mounting surface of the prefabricated universal tongue button 103. That is, the accessory mounting surface 105a has a different geometry than the corresponding portion of the tooth surface.
  • an elastic tensile element (such as a rubber band or a spring) can be suspended between the tongue buttons on the shell-like dental instruments worn on the upper and lower jaws to generate traction between the two, thereby achieving the mandibular adjustment. Position adjustment.
  • the tongue button 103 can be fixed on the shell body 101 by bonding or welding means.
  • the accessory mounting surface 105a has a circular edge profile.
  • the edge contour of the accessory mounting surface 105a can also be in other shapes, such as rectangle, ellipse, polygon, etc.
  • the shell-like body 101 forms a cavity 107 for accommodating the teeth 109.
  • the geometry of the cavity 107 is substantially consistent with the dentition in a corresponding tooth layout.
  • the glue overflowing from the bottom of the tongue button 103 can bond the bottom side of the tongue button 103 to the inner side of the protruding structure 105b to enhance the adhesion of the tongue button 103. connection strength.
  • the inner side size of the bottom of the protruding structure 105b (ie, the side close to the accessory mounting surface 105) (if the outer protruding structure 105b is annular, the inner size is its inner diameter) is smaller than the top thereof (ie, farther away from the One side of the shell-shaped body 101), forming a guide inclined surface.
  • the guide inclined surface can guide the tongue button 103 to dock with the accessory mounting surface 105a.
  • the protruding structure 105b is a hollow wall whose cross-section gradually reduces in size from the bottom to the top and forms an arc shape at the top.
  • the cross-section of the convex structure can also be in other shapes.
  • Figure 3 schematically shows a shell-shaped main body 101' in another embodiment of the present application, and its viewing angle is the same as that of Figure 2.
  • the shell-like body 101' forms a cavity 107' for receiving the teeth 109', and forms an accessory mounting area 105' for fixing the tongue button 103'.
  • the accessory mounting area 105' includes an accessory mounting surface 105a' and a protruding structure 105b', and the protruding structure 105b' surrounds the accessory mounting surface 105a'.
  • the top of the cross section of the convex structure 105b' is a slope that gradually decreases from the inside to the outside.
  • FIG 4 schematically shows a shell-shaped body 101" in another embodiment of the present application, and its viewing angle is the same as that of Figure 2.
  • the shell-shaped body 101" forms a cavity 107" that accommodates the teeth 109", and
  • An accessory mounting area 105" is formed to secure the tongue button 103".
  • the accessory mounting area 105" includes an accessory mounting surface 105a" and a protruding structure 105b", and the protruding structure 105b" surrounds the accessory mounting surface 105a".
  • the protruding structure 105b" and the shell-shaped body 101" and the connecting part have a gentle transition, so that the accessory mounting area 105" is a gently convex cavity as a whole, and an accessory mounting surface 105a" is formed recessed in the middle of the cavity.
  • the convex structure 105b" does not form a "wall", which makes the structure of the accessory mounting area 105" simpler.
  • such a structure is easier to press and mold, and on the other hand, the shell-shaped body is easier to demold.
  • the curvature at any point of the connecting portion between the outer wall of the convex structure 105b" and the shell-like body 101" is less than 1/L, where L is the length of the cross-section of the outer wall of the convex structure 105b". In yet another embodiment, the curvature at any point of the connecting portion between the outer side wall of the convex structure 105b′′ and the shell-like body 101′′ is less than 1/4L.
  • the height and shape of the cross-sections of the convex structure can be consistent everywhere.
  • the cross-sections of different parts of the convex structure may have different heights and shapes, for example, forming a wave shape or a pulse shape along its extending direction.
  • FIG. 5 schematically shows a shell-shaped body 101′′’ in yet another embodiment of the present application, and its viewing angle is the same as that of FIG. 2 .
  • the edges of the portions corresponding to the inner surface of the shell-like body 101"' (i.e., the surface on the tooth side) and the accessory mounting surface 105"' respectively form at least point contact with the surfaces of two adjacent teeth, so that at these contact points,
  • the accessory mounting surface 105"' is supported by the teeth in the normal direction.
  • this structure can make the distance between the accessory mounting surface 105"' and the tooth surface as short as possible, which can ensure the local structural strength of the shell-shaped body 101"' and facilitate the shell-shaped body. Demolding of 101"' (when the shell-shaped body 101"' is made by hot pressing film molding process).
  • the portion of the inner surface of the shell-shaped body 101′′′ corresponding to the accessory mounting surface 105′′′ can form multiple points of contact or even line contact with the tooth surface. In one embodiment, this depends on the geometry of the corresponding portion of the tooth surface and the geometry of the accessory mounting surface 105"', because in the case where the shell-like body 101"' is made by a hot stamping film forming process, the accessory mounting surface 105 ”’ is consistent with the geometric shape of the inner surface of the shell-like body 101 ”’ and the corresponding part.
  • the geometric shape of the accessory mounting surface 105"' is a plane. Since the transition between the accessory mounting surface 105"' and the shell-shaped body 101"' is relatively gentle, from the partial cross-sectional view It is difficult to distinguish the boundary, so the boundary is marked with a dotted line.
  • a positioning mark (not shown), such as a cross mark, can be formed at the center of the accessory mounting surface 105"', so that the automated accessory mounting equipment can recognize the positioning mark to assist the tongue button 103" 'Positioning on the shell-like body 101"'.
  • FIG. 6 schematically shows a shell-shaped dental instrument 100"" in yet another embodiment of the present application, which includes a shell-shaped body 101"" and a tongue button 103"" mounted and fixed thereon.
  • the shell-like body 101"" forms a cavity 107"" for accommodating the teeth 109"", and forms an accessory mounting surface 105"" for mounting the fixing tongue button 103"".
  • the edge contour of the accessory mounting surface 105"" is circular, and the geometric shape is a concave arc surface toward the teeth 109"", which matches the concavity and convexity of the bottom mounting surface of the tongue button 103"".
  • the area on the inner surface of the shell-shaped body 101"" corresponding to the accessory mounting surface 105"" is in contact with the teeth 109"".
  • a shell-shaped dental instrument 200 in another embodiment of the present application is schematically shown, which includes a shell-shaped main body 201 and a jaw pad 203 mounted and fixed thereon.
  • the shell-like body 201 forms a cavity 207 for accommodating the teeth 209, and forms an accessory mounting surface 205 for mounting the fixed jaw pad 203 on the occlusal surface of the posterior tooth region.
  • the edge contour of the accessory mounting surface 205 is a rectangle, and its geometric shape is a plane, which matches the bottom mounting surface of the jaw pad 203 .
  • the area of the inner surface of the shell-like body 201 corresponding to the accessory mounting surface 205 and the teeth 209 are in contact with each other at at least two points.
  • Figure 8A schematically shows the accessory mounting surface 205' in another embodiment of the present application, which is shell-shaped. Both sides of the edge of the area corresponding to the accessory mounting surface 205' on the inner side of the body form point contact with the surfaces of the two teeth 209' respectively, providing support for the accessory mounting surface 205'.
  • Figure 8B schematically shows the accessory mounting surface 205" in another embodiment of the present application, one side of the edge of the area corresponding to the accessory mounting surface 205" on the inner side of the shell-shaped body and a tooth 209"
  • the surface forms point contact to provide support for the accessory mounting surface 205".
  • the accessory mounting surface and the accessory bottom mounting surface of the accessory mounting area may both be flat.
  • the accessory mounting surface of the accessory mounting area and the accessory bottom mounting surface may be concave and convex matching arc surfaces.
  • the accessory mounting surface and the accessory bottom mounting surface of the accessory mounting area may be a plane or a curved surface of revolution, wherein the generating line of the curved surface of revolution may be any applicable line, such as a straight line, an arc, a stepped line, etc.
  • the accessory bottom mounting surface matches the accessory mounting surface concave and convexly.
  • the accessory mounting surface or the accessory bottom mounting surface of the accessory mounting area is provided with a groove for accommodating adhesive.
  • the adhesive can be accommodated in the groove, which on the one hand can prevent the adhesive from overflowing to a certain extent, and on the other hand can also improve the bonding strength.
  • shapes such as dots and stripes can be formed on at least one of the accessory mounting area surface and the accessory standard mounting surface.
  • the area of the accessory mounting surface of the accessory mounting area is slightly larger than the accessory bottom mounting surface.
  • the matching degree between the geometry of the accessory mounting surface of the accessory mounting area and the geometry of the accessory bottom mounting surface only needs to meet the tolerance of the fixing method (that is, as long as a certain fixing strength is ensured), without A 100% match is required.

Abstract

La présente invention concerne un corps principal en forme de coque (101) d'un dispositif dentaire en forme de coque (100). Le corps principal en forme de coque (101) est une coque intégrée et forme une cavité (107) pour recevoir une pluralité de dents (109) et une première zone de montage d'accessoire (105), la première zone de montage d'accessoire (105) formant une surface de montage d'accessoire (105a) et une structure convexe (105b). La surface de montage d'accessoire (105a) présente un contour et une morphologie géométrique conçus artificiellement. La surface de montage d'accessoire (105a) est entourée par la structure convexe (105b). La surface de montage d'accessoire (105a) est utilisée pour monter un premier accessoire (103). Le contour et la morphologie géométrique d'une surface de montage inférieure du premier accessoire (103) s'adaptent sensiblement à la surface de montage d'accessoire (105a).
PCT/CN2023/104111 2022-07-26 2023-06-29 Dispositif dentaire en forme de coque et corps principal en forme de coque associé WO2024022001A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202221936310.0U CN218247429U (zh) 2022-07-26 2022-07-26 壳状牙科器械及其壳状主体
CN202221934118.8 2022-07-26
CN202221936310.0 2022-07-26
CN202221934118.8U CN218247428U (zh) 2022-07-26 2022-07-26 壳状牙科器械及其壳状主体

Publications (1)

Publication Number Publication Date
WO2024022001A1 true WO2024022001A1 (fr) 2024-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/104111 WO2024022001A1 (fr) 2022-07-26 2023-06-29 Dispositif dentaire en forme de coque et corps principal en forme de coque associé

Country Status (1)

Country Link
WO (1) WO2024022001A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150289950A1 (en) * 2012-10-17 2015-10-15 Ortho Caps Gmbh Adhesion pads for fastening an orthodontic aligner
CN208725922U (zh) * 2018-03-16 2019-04-12 无锡时代天使医疗器械科技有限公司 壳状牙科器械及其壳状主体
CN208784956U (zh) * 2018-05-21 2019-04-26 中南大学湘雅二医院 一种口腔矫治装置
CN110801290A (zh) * 2018-08-06 2020-02-18 无锡时代天使医疗器械科技有限公司 壳状牙科器械及其制作方法
CN218247428U (zh) * 2022-07-26 2023-01-10 无锡时代天使生物科技有限公司 壳状牙科器械及其壳状主体
CN218247429U (zh) * 2022-07-26 2023-01-10 无锡时代天使生物科技有限公司 壳状牙科器械及其壳状主体
US20230190415A1 (en) * 2018-03-16 2023-06-22 Wuxi Ea Medical Instruments Technologies Limited Shell-shaped dental appliance and its shell-shaped body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150289950A1 (en) * 2012-10-17 2015-10-15 Ortho Caps Gmbh Adhesion pads for fastening an orthodontic aligner
CN208725922U (zh) * 2018-03-16 2019-04-12 无锡时代天使医疗器械科技有限公司 壳状牙科器械及其壳状主体
US20230190415A1 (en) * 2018-03-16 2023-06-22 Wuxi Ea Medical Instruments Technologies Limited Shell-shaped dental appliance and its shell-shaped body
CN208784956U (zh) * 2018-05-21 2019-04-26 中南大学湘雅二医院 一种口腔矫治装置
CN110801290A (zh) * 2018-08-06 2020-02-18 无锡时代天使医疗器械科技有限公司 壳状牙科器械及其制作方法
CN218247428U (zh) * 2022-07-26 2023-01-10 无锡时代天使生物科技有限公司 壳状牙科器械及其壳状主体
CN218247429U (zh) * 2022-07-26 2023-01-10 无锡时代天使生物科技有限公司 壳状牙科器械及其壳状主体

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