Patent ID: 7241856

Claim:
A polymerizable dental resin composition comprising: the reaction product of a hydroxy (meth)acrylate of the formula wherein m and n are independently 1 to 6; M is a C 1 –C 33 allyl or aryl group that is unsubstituted or substituted with a linear or branched, saturated or unsaturated C 1 –C 12 alkyl, cyclic C 3 –C 7 alkyl, halogen, ester group, ether group, amide group, or aryl group; and R is hydrogen or methyl; and a multifunctional epoxide of the formula wherein Y is a divalent C 1 –C 33 alkyl, aryl, heterocycle, or alkaryl group wherein each of the foregoing is unsubstituted or substituted with a linear or branched, saturated or unsaturated C 1 –C 12 alkyl, cyclic C 3 –C 7 alkyl, halogen, ester, ether, amide, or aryl; and q is 0 to about 20; and a curing system consisting of a free radical cure initiator and a free radical cure accelerator.