Patent ID: 6262142
Filing Date: 2001-07-17
Classification: A61C,A61K

Abstract:
A material for forming translucent wear resistant dental enamel having an opacity less than 50 percent and a localized wear volume loss of less than 0.025 mm.sup.3, comprising:a polymerizable matrix forming liquid and inorganic filler particles,said liquid comprising polymerizable material having a first refractive index, said filler comprising a first plurality of particles having a second refractive index,said first plurality of particles being formed from a low median particle size first plurality of particles, and a high median particle size second plurality of particles, said low median particle size plurality of particles having a median particle size between 0.3 and 0.7 micrometers, said high median particle size plurality of particles having a median particle size between 1 and 10 micrometers, andsaid first refractive index being within 5 percent of said second refractive index.