Orthodontic appliances that accommodate incremental and continuous tooth movement, systems and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61C-007/12
A61C-007/08
A61C-007/00
출원번호
US-0692891
(2012-12-03)
등록번호
US-9022781
(2015-05-05)
발명자
/ 주소
Kuo, Eric
Matty, Rick
Borovinskih, Artem
출원인 / 주소
Align Technology, Inc.
대리인 / 주소
Wilson Sonsini Goodrich & Rosati
인용정보
피인용 횟수 :
2인용 특허 :
151
초록
An orthodontic appliance including a shell aligner having a portion accommodating movement of a patient's bracketed teeth between a first position and the second position as elicited by force from an orthodontic braces appliance worn by the patient, related systems and methods.
대표청구항▼
1. A method of providing an orthodontic appliance for moving a patient's teeth, comprising: identifying a first position of one or more bracketed teeth;identifying a second position of the bracketed teeth according to a treatment plan;determining a tooth movement geometry based on a movement path of
1. A method of providing an orthodontic appliance for moving a patient's teeth, comprising: identifying a first position of one or more bracketed teeth;identifying a second position of the bracketed teeth according to a treatment plan;determining a tooth movement geometry based on a movement path of the bracketed teeth from the first position to the second position;fabricating an aligner comprising a first portion having teeth receiving cavities shaped to receive and resiliently position teeth, and a second portion having teeth receiving cavities shaped to receive bracketed teeth of the patient, the second portion shaped based on the movement path geometry and configured so as to accommodate movement of the patient's bracketed teeth between the first position and the second position of the treatment plan elicited by force from a bracket and wire orthodontic braces appliance worn by the patient, wherein the second portion accommodates movement of the patient's bracketed teeth relative to the second portion during movement between the first and second positions. 2. The method of claim 1, wherein identifying a position of a bracketed tooth comprises generating a digital model of a tooth having a bracket. 3. The method of claim 2, further comprising modifying a shape or position of a digital bracket on a digital tooth. 4. The method of claim 1, wherein the movement path comprises a volume defined by a tooth moving between a plurality of intermediate positions or tooth arrangements between the first position and the second position. 5. The method of claim 1, wherein the second portion comprises a bracket relief portion comprising a bubble, protrusion, envelope, or slot shaped portion. 6. The method of claim 5, wherein the relief portion is shaped to accommodate a bracket and wire such that the wire is disposed either entirely within the relief portion or at least partially outside the relief portion when the appliance is positioned on the patient's teeth. 7. The method of claim 1, wherein a tooth receiving cavity of the second portion is shaped to restrict at least one direction or path of movement of a received tooth during orthodontic treatment. 8. The method of claim 1, wherein a tooth receiving cavity of the second portion is shaped to restrict extrusion during tooth rotation or translation. 9. The method of claim 1, wherein a tooth receiving cavity of the second portion comprises an active portion that contacts a received tooth so as to apply a force to the tooth. 10. The method of claim 1, wherein the second portion is shaped to accommodate a plurality of bracketed teeth. 11. The method of claim 1, wherein the second portion is shaped to accommodate an unbracketed tooth disposed between two bracketed teeth. 12. The method of claim 1, wherein the first position of the one or more bracketed teeth comprises a position of the patient's teeth occurring prior to the patient's current teeth positions. 13. A system for orthodontic movement of a patient's teeth according to a treatment plan, comprising: an orthodontic braces appliances comprising brackets for positioning on the patient's teeth; anda shell-type aligner comprising a first portion having teeth receiving cavities having geometries to receive the patient's unbracketed teeth, and a second portion having a tooth receiving cavity shaped to receive a bracketed tooth of the patient, the second portion shaped based on a movement path geometry accommodating movement of the patient's bracketed tooth between a first tooth position and a second tooth position as at least partially elicited by force from the orthodontic braces appliance worn by the patient, the first tooth position corresponding to a position of the bracketed tooth in the treatment plan and the second tooth position corresponding to a subsequent position of the bracketed tooth in the treatment plan, wherein the second portion accommodates movement of the patient's bracketed tooth relative to the second portion during the movement between the first and second tooth positions. 14. The system of claim 13, wherein the movement path geometry comprises a volume defined by the bracketed tooth moving between a plurality of intermediate positions between the first and second tooth positions. 15. The system of claim 13, wherein the tooth receiving cavity of the second portion comprises a bracket relief portion. 16. The system of claim 13, wherein the tooth receiving cavity of the second portion defines a bracket insertion channel shaped to receive a bracket as the shell-type aligner is at least one of positioned or removed from the patient's teeth. 17. The system of claim 15, wherein the bracket relief portion comprises a bubble, protrusion, envelope, or slot shaped portion. 18. The system of claim 15, wherein the bracket relief portion is shaped to accommodate a bracket and a wire. 19. The system of claim 17, wherein the bracket relief portion is shaped such that the wire is disposed at least partially outside the bracket relief portion when the shell-type aligner is positioned on the patient's teeth. 20. The system of claim 13, wherein the tooth receiving cavity of the second portion is shaped to restrict at least one direction or path of movement of the bracketed tooth during orthodontic treatment. 21. The system of claim 20, wherein the tooth receiving cavity of the second portion is shaped to restrict extrusion during tooth rotation or translation. 22. The system of claim 13, wherein the tooth receiving cavity of the second portion comprises an active portion that contacts the bracketed tooth so as to apply a force to the bracketed tooth. 23. The system of claim 22, wherein the active portion is shaped so as to contact and apply a force to the bracketed tooth during only a portion of the movement of the bracketed tooth between the first and second tooth positions. 24. The system of claim 22, wherein the active portion is shaped to provide a leverage contact surface for application of a force applied by the orthodontic braces appliance. 25. The system of claim 13, wherein the second portion is shaped to accommodate the orthodontic braces appliance comprising a low profile, wire clip, or two-dimensional bracket. 26. The system of claim 13, wherein the second portion is shaped to accommodate the orthodontic braces appliance comprising a retention wire structure. 27. The system of claim 13, wherein the second portion is shaped to accommodate a plurality of bracketed teeth. 28. The system of claim 27, wherein the second portion is shaped to accommodate an unbracketed tooth disposed between two bracketed teeth.
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