| abstract |
A dental curable material suitable for a production of an artificial teeth having a strong toughness, wear resistance, transparency and moldability, which comprises a silane-treated silica uniformly dispersed in urethane (meth)acrylate (a): said silica having an average primary particle size of 1 to 85 mm, with at least one silane compound represented by the formula (1): YnSiX 4-n ```(1) wherein Y is a hydrocarbon group or a reactive group containing a vinyl-polymerizable group; X is a hydrolyzable group; and n is an integer of 1, 2 or 3, and being uniformly dispersed in a urethane (meth)acrylate (b). |