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Systems and methods for improved engagement between aligners and teeth

  • US 9,408,675 B2
  • Filed: 02/01/2011
  • Issued: 08/09/2016
  • Est. Priority Date: 04/18/2002
  • Status: Active Grant
First Claim
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1. A system for repositioning teeth, comprising:

  • a force-receiving component for bonding to at least one of a patient'"'"'s teeth; and

    a polymeric shell repositioning appliance, having at least one force-transmitting component, for placement over the patient'"'"'s teeth, the force-transmitting component structured so that the force-transmitting component engages the force-receiving component on the at least one tooth at a contact point within a locus of engagement, wherein a position of the contact point adjusts within the locus of engagement as the tooth is repositioned so that the force transmitted to said tooth increases if the tooth lags its intended position.

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