| http://www.w3.org/ns/prov#value | - In yet another aspect, the invention is a system for associating a tooth shade relative to a tooth, comprising: a digital camera for capturing digital images of human teeth, the digital images having pixels; a processor for converting digital images captured by the camera to REAL IMAGES formed of pseudo-pixels, at least one of said pseudo-pixels comprising two or more pixels of the digital image;
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