Patent ID: 8889758

Claim:
A method of restoring a tooth, comprising applying to the tooth a dental material as a filling composite, a fixing cement or a coating material, wherein the dental filling material comprises a liquid, functionalized hydrophobic co-condensate of tetraalkyl silicates with functionalized trialkoxysilanes of the formula I P—(CH 2 )n—Si(OR) 3 where P, R and n independently of one another have the following meanings: P=a polymerizable CH 2 ═CH—, CH 2 ═CH—O—, styryl, (meth)acrylic or (meth)acrylamide group or an SH group capable of polyaddition, R=methyl, ethyl or propyl and n=from 3 to 15, prepared by co-condensation of tetraalkyl silicates with alkyltrialkoxysilanes functionalized in the ω position and subsequent end group functionalization with trimethylsilyl groups.