WO2007110071A1 - Orthodontic device with soft plastic element - Google Patents

Orthodontic device with soft plastic element Download PDF

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Publication number
WO2007110071A1
WO2007110071A1 PCT/DE2007/075002 DE2007075002W WO2007110071A1 WO 2007110071 A1 WO2007110071 A1 WO 2007110071A1 DE 2007075002 W DE2007075002 W DE 2007075002W WO 2007110071 A1 WO2007110071 A1 WO 2007110071A1
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WO
WIPO (PCT)
Prior art keywords
plastic element
hard plastic
orthodontic appliance
tooth
appliance according
Prior art date
Application number
PCT/DE2007/075002
Other languages
German (de)
French (fr)
Inventor
Werner Paulus
Original Assignee
Werner Paulus
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 Werner Paulus filed Critical Werner Paulus
Priority to DE112007003299T priority Critical patent/DE112007003299A5/en
Publication of WO2007110071A1 publication Critical patent/WO2007110071A1/en

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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
    • A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch

Definitions

  • the innovation relates to an orthodontic device for moving and / or placing teeth in the dental arch with a plastic element for tooth contacting or tooth movement, wherein the plastic element consists of a hard plastic material.
  • the innovation is based on the object to offer an orthodontic device, which is particularly easy to use and inexpensive to produce.
  • the renewal orthodontic device has at least one for connecting adjacent plastic elements Soft plastic element to which at least one or more adjacent hard plastic elements are attached.
  • the soft plastic element thus serves as a connection and "bridge" between adjacent hard plastic elements. This means that adjacent hard plastic elements are elastically connected and can be used by the user when using the orthodontic appliance by attachment to the teeth of the user and positive connection of the respective hard plastic elements with the individual teeth by elastic stress A force which acts as a correction force on the teeth received in the hard plastic elements can be built up in the soft plastic elements The soft plastic element can thus produce an elastic connection between adjacent hard plastic elements.
  • the soft plastic element can partially or completely cover the hard plastic element, so that it can be determined in which areas of the hard plastic element a connection with the soft plastic element is present and at which point and in what manner an elastic connection between adjacent hard plastic elements are produced should.
  • the soft plastic element also extends beyond the hard plastic elements into the area of the gums and serves to support the orthodontic appliance and to build up the respective corrective force acting on the teeth.
  • the hard plastic element of the orthodontic appliance can have at least one recess in order to receive a contact element, which is attached in particular to a tooth to be extruded.
  • the recess of the hard plastic element connects to the contact element and in the contact element, a force is introduced into the tooth, which leads to the desired extrusion of the tooth.
  • the contact element is in particular, e.g. by gluing attached to the tooth to be extruded and consists in particular of plastic.
  • 1 is a side view of a dental arch
  • Fig. 2 is a plan view of a dental arch
  • FIG. 3 is a sectional view A-A of Fig. 2nd
  • Fig. 1 shows (dashed) a (transparent) orthodontic device 1, which is placed on the teeth 2 of a dental arch and this covers.
  • the respective tooth 2 is held positively by a hard plastic element 3 (cf., Fig. 2) and above the hard plastic element 3 is a - A -
  • Soft plastic element 4 (e.g., as a film layer bonded to the hard plastic element 3 by adhesion or adhesion).
  • the orthodontic appliance 1 can be partially connected with each other
  • Hard plastic elements 3 see areas 5 and 6 according to Fig. 3).
  • regions 7 may be provided which consist of both soft plastic elements 4 and 3 of hard plastic elements, in which case in particular the hard plastic elements 3a and 3b separately from each other to receive the respective corresponding teeth 2a and 2b and are not directly connected, but via an elastic connection via the soft plastic element 4.
  • a contact element 8 can be provided on the respective tooth 2, which can be positively connected to the corresponding recess 9 of a hard plastic element 3, whereby an extrusion force in direction 10 is extruded on the hard plastic element 3 and the contact element 8 Tooth 2 is exerted (see Fig. 3).
  • the orthodontic appliance 1 may comprise at least two layers, namely the hard plastic element 3 and the overlying soft plastic elements 4 a.
  • the hard plastic elements 3 may be adjusted for further adjustment of the between the hard plastic elements
  • the orthodontic appliance 1 can be reworked step by step, and one or more further soft plastic elements 4 (for example as a foil-like soft plastic element 4b) can subsequently be applied to the soft plastic elements 4a in a further processing step.
  • one or more further soft plastic elements 4 for example as a foil-like soft plastic element 4b
  • the orthodontic appliance 1 is inexpensive expandable and the desired correction forces can be built up gradually over the "growing" soft plastic element compound depending on the time desired correction process.

Abstract

The invention relates to an orthodontic device (1) for movement and/or ordering of teeth (2) in the dental arch, with a plastic element for tooth contact or for tooth movement, wherein the plastic element is designed as a hard plastic element (3), and, in order to connect adjacent plastic elements, at least one soft plastic element (4) is provided that contacts adjacent hard plastic elements (3).

Description

Kieferorthopädische Vorrichtung mit Weichkunststoffelement Orthodontic device with soft plastic element
BESCHREIBUNGDESCRIPTION
Die Neuerung betrifft eine kieferorthopädische Vorrichtung zur Bewegung und/oder Einordnung von Zähnen in den Zahnbogen mit einem Kunststoffelement zur Zahnkontaktierung oder Zahnbewegung, wobei das Kunststoffelement aus einem Hartkunststoffmaterial besteht.The innovation relates to an orthodontic device for moving and / or placing teeth in the dental arch with a plastic element for tooth contacting or tooth movement, wherein the plastic element consists of a hard plastic material.
Der Neuerung liegt die Aufgabe zugrunde, eine kieferorthopädische Vorrichtung anzubieten, welche besonders einfach verwendbar und kostengünstig herstellbar ist.The innovation is based on the object to offer an orthodontic device, which is particularly easy to use and inexpensive to produce.
Diese Aufgabe wird durch eine kieferorthopädische Vorrichtung mit den Merkmalen des kennzeichnenden Teils des Schutzanspruchs 1 in Verbindung mit den Merkmalen des Oberbegriffs gelöst.This object is achieved by an orthodontic appliance having the features of the characterizing part of patent claim 1 in conjunction with the features of the preamble.
Vorteilhafte Ausführungsformen der kieferorthopädische Vorrichtung werden in den Unteransprüchen 2 - 7 beschrieben.Advantageous embodiments of the orthodontic appliance are described in subclaims 2-7.
Die neuerungsgemäße kieferorthopädische Vorrichtung besitzt zur Verbindung benachbarter Kunststoffelemente mindestens ein Weichkunststoffelement, an welchem mindestens eines oder auch mehrere benachbarte Hartkunststoffelemente angebracht sind. Das Weichkunststoffelement dient somit als Verbindung und „Brücke" zwischen benachbarten Hartkunststoffelementen. Hierdurch sind benachbarte Hartkunststoffelemente elastisch verbunden und kann bei Verwendung der kieferorthopädischen Vorrichtung durch den Benutzer durch Anbringung an den Zähnen des Benutzers und formschlüssige Verbindung der jeweiligen Hartkunststoffelemente mit den einzelnen Zähnen durch elastische Beanspruchung der Weichkunststoffelemente eine Kraft aufgebaut werden, welche als Korrekturkraft auf die in den Hartkunststoffelementen aufgenommenen Zähne wirkt. Das Weichkunststoffelement kann damit eine elastische Verbindung zwischen benachbarten Hartkunststoffelementen herstellen.The renewal orthodontic device according to the invention has at least one for connecting adjacent plastic elements Soft plastic element to which at least one or more adjacent hard plastic elements are attached. The soft plastic element thus serves as a connection and "bridge" between adjacent hard plastic elements.This means that adjacent hard plastic elements are elastically connected and can be used by the user when using the orthodontic appliance by attachment to the teeth of the user and positive connection of the respective hard plastic elements with the individual teeth by elastic stress A force which acts as a correction force on the teeth received in the hard plastic elements can be built up in the soft plastic elements The soft plastic element can thus produce an elastic connection between adjacent hard plastic elements.
Nach einer weiteren vorteilhaften Ausführungsform kann das Weichkunststoffelement das Hartkunststoffelement teilweise oder vollständig überdecken, so daß festgelegt werden kann, in welchen Bereichen des Hartkunststoffelements eine Verbindung mit dem Weichkunststoffelement vorliegt und an welcher Stelle und auf welche Art und Weise eine elastische Verbindung zwischen benachbarten Hartkunststoffelementen hergestellt werden soll.According to a further advantageous embodiment, the soft plastic element can partially or completely cover the hard plastic element, so that it can be determined in which areas of the hard plastic element a connection with the soft plastic element is present and at which point and in what manner an elastic connection between adjacent hard plastic elements are produced should.
Nach einer weiteren vorteilhaften Ausführungsform reicht das Weichkunststoffelement auch über die Hartkunststoffelemente hinaus in den Bereich des Zahnfleisches und dient zur Abstützung der kieferorthopädischen Vorrichtung und zum Aufbau der jeweiligen korrigierenden auf die Zähne wirkenden Kraft. Nach einer weiteren vorteilhaften Ausführungsform kann das Hartkunststoffelement der kieferorthopädischen Vorrichtung mindestens eine Ausnehmung aufweisen, um ein Kontaktelement aufzunehmen, welches insbesondere an einem zu extrudierenden Zahn angebracht ist.According to a further advantageous embodiment, the soft plastic element also extends beyond the hard plastic elements into the area of the gums and serves to support the orthodontic appliance and to build up the respective corrective force acting on the teeth. According to a further advantageous embodiment, the hard plastic element of the orthodontic appliance can have at least one recess in order to receive a contact element, which is attached in particular to a tooth to be extruded.
Bei Benutzung der kieferorthopädischen Vorrichtung verbindet sich die Ausnehmung des Hartkunststoffelements mit dem Kontaktelement und in das Kontaktelement wird eine Kraft in den Zahn eingeleitet, welche zur gewünschten Extrusion des Zahnes führt.When using the orthodontic appliance, the recess of the hard plastic element connects to the contact element and in the contact element, a force is introduced into the tooth, which leads to the desired extrusion of the tooth.
Das Kontaktelement ist dabei insbesondere z.B. durch Kleben am zu extrudierenden Zahn angebracht und besteht dabei insbesondere aus Kunststoff.The contact element is in particular, e.g. by gluing attached to the tooth to be extruded and consists in particular of plastic.
Die Neuerung ist anhand von Ausführungsbeispielen in den Zeichnungsfiguren weiter erläutert. Es zeigen:The innovation is further explained by means of embodiments in the drawing figures. Show it:
Fig. 1 eine Seitendarstellung eines Zahnbogens,1 is a side view of a dental arch,
Fig. 2 eine Draufsicht auf einen Zahnbogen sowieFig. 2 is a plan view of a dental arch and
Fig. 3 eine Schnittansicht A-A von Fig. 2.3 is a sectional view A-A of Fig. 2nd
Fig. 1 zeigt (gestrichelt) eine (transparente) kieferorthopädische Vorrichtung 1 , welche auf die Zähne 2 eines Zahnbogens aufsetzbar ist und diese überdeckt. Dabei wird der jeweilige Zahn 2 formschlüssige durch ein Hartkunststoffelement 3 gehaltert (vgl. Fig. 2) und über dem Hartkunststoffelement 3 befindet sich ein - A -Fig. 1 shows (dashed) a (transparent) orthodontic device 1, which is placed on the teeth 2 of a dental arch and this covers. In this case, the respective tooth 2 is held positively by a hard plastic element 3 (cf., Fig. 2) and above the hard plastic element 3 is a - A -
Weichkunststoffelement 4, (z.B. als Folienschicht, die und durch Verkleben oder Adhäsion mit dem Hartkunststoffelement 3 verbunden ist).Soft plastic element 4 (e.g., as a film layer bonded to the hard plastic element 3 by adhesion or adhesion).
Gemäß Fig. 2 kann die kieferorthopädische Vorrichtung 1 dabei bereichsweise aus miteinander verbundenenAccording to FIG. 2, the orthodontic appliance 1 can be partially connected with each other
Hartkunststoffelementen 3 (vgl. Bereiche 5 und 6 gem. Fig. 3) bestehen.Hard plastic elements 3 (see areas 5 and 6 according to Fig. 3).
Ferner können Bereiche 7 vorgesehen sein, welche sowohl aus Weichkunststoffelementen 4 als auch aus Hartkunststoffelementen 3 bestehen, wobei hier insbesondere die Hartkunststoffelemente 3a und 3b separat voneinander zur Aufnahme der jeweiligen korrespondierenden Zähne 2a und 2b dienen und nicht direkt verbunden sind, sondern über eine elastische Verbindung über das Weichkunststoffelement 4.Further, regions 7 may be provided which consist of both soft plastic elements 4 and 3 of hard plastic elements, in which case in particular the hard plastic elements 3a and 3b separately from each other to receive the respective corresponding teeth 2a and 2b and are not directly connected, but via an elastic connection via the soft plastic element 4.
Insbesondere im Zusammenhang mit zu extrudierenden Zähnen 2 kann am jeweiligen Zahn 2 ein Kontaktelement 8 vorgesehen sein, welches mit der korrespondierenden Ausnehmung 9 eines Hartkunststoffelements 3 formschlüssig verbindbar ist, wodurch über das Hartkunststoffelement 3 und das Kontaktelement 8 eine Extrusionskraft in Richtung 10 auf den zu extrudierenden Zahn 2 ausgeübt wird (vgl. Fig. 3).In particular in connection with teeth 2 to be extruded, a contact element 8 can be provided on the respective tooth 2, which can be positively connected to the corresponding recess 9 of a hard plastic element 3, whereby an extrusion force in direction 10 is extruded on the hard plastic element 3 and the contact element 8 Tooth 2 is exerted (see Fig. 3).
Gemäß der (nicht maßstäblichen) Schnittdarstellung nach Fig. 3 kann die kieferorthopädische Vorrichtung 1 mindestens zwei Schichten aufweisen, nämlich das Hartkunststoffelement 3 und das darüberliegende Weichkunststoffelementen 4 a. Zur weiteren Einstellung der zwischen den HartkunststoffelementenAccording to the (not to scale) sectional view of Fig. 3, the orthodontic appliance 1 may comprise at least two layers, namely the hard plastic element 3 and the overlying soft plastic elements 4 a. For further adjustment of the between the hard plastic elements
3 auftretenden gewünschten Zahnkorrekturkräfte kann die kieferorthopädische Vorrichtung 1 schrittweise nachgearbeitet werden und können eine oder mehrere weitere Weichkunststoffelemente 4 (z.B. als folienartiges Weichkunststoffelement 4b) nachträglich in einem weiteren Bearbeitungsschritt auf dem Weichkunststoffelemente 4a angebracht werden.3, the orthodontic appliance 1 can be reworked step by step, and one or more further soft plastic elements 4 (for example as a foil-like soft plastic element 4b) can subsequently be applied to the soft plastic elements 4a in a further processing step.
Damit ist die kieferorthopädische Vorrichtung 1 kostengünstig erweiterbar und die gewünschten Korrekturkräfte können über die "wachsende" Weichkunststoffelementverbindung graduell je nach zeitlich gewünschtem Korrekturprozeß aufgebaut werden.Thus, the orthodontic appliance 1 is inexpensive expandable and the desired correction forces can be built up gradually over the "growing" soft plastic element compound depending on the time desired correction process.
Im Gegensatz zum Stand der Technik erübrigt es sich somit, eine Vielzahl von aus reinen Hartkunststoffelementen bestehenden kieferorthopädischen Vorrichtungen anzubieten, die schrittweise den jeweiligen Zahnkorrekturprozeß abbilden.In contrast to the prior art, it is therefore unnecessary to offer a large number of orthodontic appliances consisting of pure hard plastic elements, which gradually depict the respective tooth correction process.
Vielmehr ist es durch die neuerungsgemäße kieferorthopädische Vorrichtung 1 möglich, diese durch schrittweise Aufbringung weiterer Folienschichten und zusätzlicher WeichkunststoffelementeRather, it is possible by the renewal orthodontic device 1, this by stepwise application of additional film layers and additional soft plastic elements
4 mit entsprechend veränderten Korrekturkräften (am Anfang mit geringen Korrekturkräften und am Ende mit größeren Korrekturkräften) zu realisieren. 4 with correspondingly modified correction forces (at the beginning with low correction forces and at the end with larger correction forces) to realize.
BEZUGSZEICHENREFERENCE NUMBERS
kieferorthopädische Vorrichtungorthodontic appliance
Zahntooth
HartkunststoffelementHard plastic element
Weich kunststoffelementeSoft plastic elements
BereichArea
BereichArea
BereichArea
Kontaktelementcontact element
Ausnehmungrecess
Richtung direction

Claims

SCHUTZANSPRÜCHE PROTECTION CLAIMS
1. Kieferorthopädische Vorrichtung (1) zur Bewegung und/oder Einordnung von Zähnen (2) in den Zahnbogen mit einem Kunststoffelement zur Zahnkontaktierung oder Zahn beweg ung, wobei das Kunststoffelement als Hartkunststoffelement (3) ausgebildet ist, d a d u rc h g e ke n n ze i c h n et, daß zur Verbindung benachbarter Kunststoffelemente mindestens ein Weichkunststoffelement (4) vorgesehen ist, welches benachbarte Hartkunststoffelemente (3) kontaktiert.1. Orthodontic device (1) for moving and / or arrangement of teeth (2) in the dental arch with a plastic element for tooth contacting or tooth movement, wherein the plastic element is formed as a hard plastic element (3), dadu rc hge ke nn ze ichn et in that at least one soft plastic element (4), which contacts adjacent hard plastic elements (3), is provided for connecting adjacent plastic elements.
2. Kieferorthopädische Vorrichtung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß das Weichkunststoffelement (4) eine elastische Verbindung zwischen benachbarteren Hartkunststoffelementen (3) bildet.2. An orthodontic appliance according to claim 1, wherein a soft plastic element (4) forms an elastic connection between adjacent hard plastic elements (3).
3. Kieferorthopädische Vorrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß das Weichkunststoffelement (4) das Hartkunststoffelement (3) teilweise oder vollständig überdeckt. 3. Orthodontic appliance according to one of the preceding claims, characterized in that the soft plastic element (4) partially or completely covers the hard plastic element (3).
4. Kieferorthopädische Vorrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß das Weichkunststoffelement (4) über das Hartkunststoffelement (3) hinausreicht und insbesondere in den Bereich des Zahnfleisches hineinreicht.4. An orthodontic appliance according to one of the preceding claims, characterized in that the soft plastic element (4) extends beyond the hard plastic element (3) and in particular extends into the region of the gum.
5. Kieferorthopädische Vorrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß das Hartkunststoffelement (3) eine Ausnehmung (9) für ein Kontaktelement (8) zur Herstellung einer formschlüssigen Verbindung mit einem extrudierenden Zahn (2) aufweist.5. Orthodontic appliance according to one of the preceding claims, characterized in that the hard plastic element (3) has a recess (9) for a contact element (8) for producing a positive connection with an extruding tooth (2).
6. Kieferorthopädische Vorrichtung nach Anspruch 5, dad urch gekennzeich net, daß Kontaktelement (8) aus Kunststoff besteht.6. Orthodontic appliance according to claim 5, dad urch gekennzeich net, that contact element (8) consists of plastic.
7. Kieferorthopädische Vorrichtung nach Anspruch 5 oder 6, dadu rch gekennzeich net, daß Kontaktelement (8) am zu extrudierenden Zahn (2) anbringbar ist. 7. Orthodontic appliance according to claim 5 or 6, dadu rch gekennzeich net, that contact element (8) on the tooth to be extruded (2) is attachable.
PCT/DE2007/075002 2006-03-29 2007-03-29 Orthodontic device with soft plastic element WO2007110071A1 (en)

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Application Number Priority Date Filing Date Title
DE112007003299T DE112007003299A5 (en) 2006-03-29 2007-03-29 Orthodontic device with soft plastic element

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DE202006005153.8 2006-03-29
DE200620005153 DE202006005153U1 (en) 2006-03-29 2006-03-29 Orthodontic device with soft plastic element

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WO (1) WO2007110071A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106572895A (en) * 2014-06-20 2017-04-19 阿莱恩技术有限公司 Aligners with elastic layer
US10555792B2 (en) 2014-01-31 2020-02-11 Align Technology, Inc. Direct fabrication of orthodontic appliances with elastics
US10758323B2 (en) 2014-01-31 2020-09-01 Align Technology, Inc. Orthodontic appliances with elastics
US11497586B2 (en) 2014-03-21 2022-11-15 Align Technology, Inc. Segmented orthodontic appliance with elastics
US11642198B2 (en) 2014-06-20 2023-05-09 Align Technology, Inc. Elastic-coated orthodontic appliance

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US3510946A (en) * 1969-02-28 1970-05-12 Peter C Kesling Orthodontic appliance
US4370129A (en) * 1981-06-18 1983-01-25 Professional Positioners, Inc. Tooth positioner with harder areas
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US5646216A (en) * 1992-03-11 1997-07-08 Watson; Sherman L. Injectable curable composition for making soft resilient interocclusal dental appliance
US20020187451A1 (en) * 2000-04-25 2002-12-12 Align Technology, Inc. Systems and methods for varying elastic modulus appliances
WO2003099155A1 (en) * 2002-05-28 2003-12-04 Ortho-Tain, Inc. Orthodontic appliance based on predicted sizes and shapes of unerrupted teeth, system and method
WO2003101330A2 (en) * 2002-05-30 2003-12-11 Ortho-Tain, Inc. A dental appliance having a duplicated tooth area and/or a predicted tooth area and a method for correcting the position of the teeth of a patient

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
US3510946A (en) * 1969-02-28 1970-05-12 Peter C Kesling Orthodontic appliance
US4370129A (en) * 1981-06-18 1983-01-25 Professional Positioners, Inc. Tooth positioner with harder areas
DE4020647A1 (en) * 1990-06-29 1992-01-02 Horst Ludwigs Tooth position regulating device allowing individual alignment - made of silicone with different hardness zones
US5646216A (en) * 1992-03-11 1997-07-08 Watson; Sherman L. Injectable curable composition for making soft resilient interocclusal dental appliance
US20020187451A1 (en) * 2000-04-25 2002-12-12 Align Technology, Inc. Systems and methods for varying elastic modulus appliances
WO2003099155A1 (en) * 2002-05-28 2003-12-04 Ortho-Tain, Inc. Orthodontic appliance based on predicted sizes and shapes of unerrupted teeth, system and method
WO2003101330A2 (en) * 2002-05-30 2003-12-11 Ortho-Tain, Inc. A dental appliance having a duplicated tooth area and/or a predicted tooth area and a method for correcting the position of the teeth of a patient

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10555792B2 (en) 2014-01-31 2020-02-11 Align Technology, Inc. Direct fabrication of orthodontic appliances with elastics
US10758323B2 (en) 2014-01-31 2020-09-01 Align Technology, Inc. Orthodontic appliances with elastics
US11648089B2 (en) 2014-01-31 2023-05-16 Align Technology, Inc. Orthodontic appliances and systems with elastic members
US11813135B2 (en) 2014-01-31 2023-11-14 Align Technology, Inc. Methods for direct fabrication of orthodontic appliances with elastics
US11497586B2 (en) 2014-03-21 2022-11-15 Align Technology, Inc. Segmented orthodontic appliance with elastics
CN106572895A (en) * 2014-06-20 2017-04-19 阿莱恩技术有限公司 Aligners with elastic layer
US11154382B2 (en) 2014-06-20 2021-10-26 Align Technology, Inc. Aligners with elastic layer
US11642198B2 (en) 2014-06-20 2023-05-09 Align Technology, Inc. Elastic-coated orthodontic appliance

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Publication number Publication date
DE202006005153U1 (en) 2006-06-22
DE112007003299A5 (en) 2009-10-29

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