Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberWO2002047571 A3
Publication typeApplication
Application numberPCT/US2001/048300
Publication date3 Apr 2003
Filing date10 Dec 2001
Priority date13 Dec 2000
Also published asUS6783360, US7220122, US20020072027, US20050019721, WO2002047571A2
Publication numberPCT/2001/48300, PCT/US/1/048300, PCT/US/1/48300, PCT/US/2001/048300, PCT/US/2001/48300, PCT/US1/048300, PCT/US1/48300, PCT/US1048300, PCT/US148300, PCT/US2001/048300, PCT/US2001/48300, PCT/US2001048300, PCT/US200148300, WO 0247571 A3, WO 0247571A3, WO 2002/047571 A3, WO 2002047571 A3, WO 2002047571A3, WO-A3-0247571, WO-A3-2002047571, WO0247571 A3, WO0247571A3, WO2002/047571A3, WO2002047571 A3, WO2002047571A3
InventorsZia Chishti
ApplicantAlign Technology Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: Patentscope, Espacenet
Systems and methods for positioning teeth
WO 2002047571 A3
Abstract
A computer implemented method for treating teeth by generating a digital arrangement of teeth; specifying a sequence of tooth movements to move the teeth to a target arrangement; and generating one or more appliances (100) in accordance with the specified sequence of tooth movements. The appliances comprise polymeric shells (100) having cavities wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one arrangement to a successive arrangement.
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US5975893 *8 Oct 19972 Nov 1999Align Technology, Inc.Method and system for incrementally moving teeth
Classifications
International ClassificationA61C9/00, A61C7/00
Cooperative ClassificationA61C7/002, A61C2007/004, A61C9/004, A61C7/00
European ClassificationA61C7/00
Legal Events
DateCodeEventDescription
20 Jun 2002ALDesignated countries for regional patents
Kind code of ref document: A2
Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG
20 Jun 2002AKDesignated states
Kind code of ref document: A2
Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG UZ VN YU ZA ZM ZW
13 Nov 2002121Ep: the epo has been informed by wipo that ep was designated in this application
23 Oct 2003REGReference to national code
Ref country code: DE
Ref legal event code: 8642
28 Jan 2004122Ep: pct application non-entry in european phase
18 Jan 2006WWWWipo information: withdrawn in national office
Country of ref document: JP
18 Jan 2006NENPNon-entry into the national phase in:
Ref country code: JP