Patent ID: 8727776
Filing Date: 2014-05-20
Classification: A61C,B33Y,G05B,G06K,G16H

Abstract:
1. A method of creating an electronic data set of a natural looking tooth model for creating a dental prosthetic item, a tooth restoration, or a tooth model, said method comprising steps of: a) scanning a predetermined minimum number of teeth of a same tooth type to provide a multiplicity of electronic data sets of the tooth type; b) for each individual electronic data set, assigning at least a certain number of at least one of correspondence points and correspondence structures that are characterized for the tooth type in the individual electronic data sets; c) performing a principal component analysis for at least one of the assigned correspondence points and correspondence structures of the scanned teeth to generate principle components for the tooth type; and d) performing a linear combination of at least a portion of the resulting principal components for the tooth type of interest and making the linear combination available as a generic natural looking tooth model data set, wherein at least one of steps a), b), c), and d) is performed by a computer.