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Preventing interference between tooth models

  • US 9,536,020 B2
  • Filed: 03/09/2015
  • Issued: 01/03/2017
  • Est. Priority Date: 12/14/2004
  • Status: Active Grant
First Claim
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1. A method for determining and preventing interference between two or more physical tooth models to be mounted to a physical dental arch model, the method comprising:

  • receiving digital representations of the physical dental arch model and the two or more physical tooth models, wherein the physical dental arch model comprises one or more receiving features and wherein each of the two or more physical tooth models comprises one or more registration features that interface with the one or more receiving features when the two or more physical tooth models are mounted to the physical dental arch model;

    determining, based on the digital representations, an interference between the two or more physical tooth models when mounted to the physical dental arch model caused by a first configuration of one or more of;

    (1) the one or more registration features of at least one of the two or more physical tooth models, or (2) the one or more receiving features of the physical dental arch model; and

    modifying the first configuration to a second different configuration so as to prevent the interference between the two or more physical tooth models when mounted to the physical dental arch model.

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