Patent ID: 6232367
Filing Date: 2001-05-15
Classification: A61K

Abstract:
A dental restorative composite, comprising:a resin base; andan inorganic filler consisting essentially of:(a) a translucent filler in an amount of about 20% to about 86% by weight of the composite, the translucent filler consisting of particles of a mean particle size between about 0.05 .mu.m and 0.5 .mu.m and comprising between about 15% and about 80% by volume of particles in a particle size range from about 0.2 .mu.m to about 0.6 .mu.m, and(b) a colloidal filler in an amount up to about 15% by weight of the composite, the colloidal filler consisting of particles of a mean particle size less than about 0.05 .mu.m;wherein the translucent filler contributes to the dental restorative composite an average .DELTA.C*.sub.T-R coordinate of at least about 9.