Patent ID: 8747831

Claim:
A dental composition comprising: from about 0.1 weight percent to about 5.0 weight percent of an imidazolium-based polymerizable resin; from about 5 weight percent to about 60 weight percent of a non-imidazolium-based polymerizable resin; from about 0.005 weight percent to about 5 weight percent of at least one of a photoinitiator, a thermal/redox initiator or other additive; from about 40 weight percent to about 90 weight percent of a glass filler having a particle size of from about 10 nm to about 100 microns; and an optional inert solvent wherein the imidazolium-based polymerizable resin has a formula of: (A-X) n —Z—(Y—B—HR) m wherein A is a polymerizable moiety selected from the group consisting of methacrylate, acrylate, epoxy and vinylether, wherein B is an imidazole or a methyl imidazole, wherein R is a hydrogen atom or an alky group having from 1 to 22 carbon atoms, wherein H is a halogen atom, a chlorine atom, a bromine atom or an iodine atom, wherein X and Y are the same or different and are an ether, ester, amide, imide, direct link, alkyl, or aromatic, wherein Z is an alkyl or an aromatic, and wherein n and m are integers of at least 1.