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Dental color mixture indicator device

DC
  • US 5,498,157 A
  • Filed: 09/24/1993
  • Issued: 03/12/1996
  • Est. Priority Date: 10/07/1992
  • Status: Expired due to Term
First Claim
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1. A set of dental color mixture indicator devices comprising a plurality of component indicator devices, each said component indicator device having a plurality of color samples located in an array and arranged about a central one of the color samples with each sample spaced apart from samples adjacent thereto, the colors of said samples being representative of colors of a predetermined color system having a co-ordinate system aligned with said array wherein the color of each of said samples corresponds to the color of the corresponding location in said co-ordinate system, the colors of the samples of each said component device being located on a plane of said co-ordinate system and the plane corresponding to each device being substantially parallel to, and spaced from, the planes of the other ones of said component devices and such that the central color samples of adjacent planes are offset with respect to the co-ordinate system, and whereby, in use of the said set, a patient'"'"'s tooth can be compared against any one of said component devices and a desired dental color intermediate a selected pair of said color samples can be mixed for fabrication by a mixture of the coloring materials used to fabricate said selected pair.

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