Photopolymerizable dental composite with fast cure and low shrinkage stress

摘要

PROBLEM TO BE SOLVED: To provide a photopolymerizable dental composite having rapid curing and low shrinkage stress. SOLUTION: (a) 0.01 to 5% by weight of at least one transfer reagent, (b) 5 to 60% by weight of at least one multifunctional (meth)acrylate, or monofunctional and multifunctional. A mixture of (meth)acrylates, (c) 0.01-3.0% by weight of a mixture of at least one monomolecular photoinitiator and at least one bimolecular photoinitiator, (d) 30-90% by weight. A radically polymerizable material containing at least one filler of (1) and (e) optionally an additive(s), the material being at least one compound of formula I as transfer reagent (a). It contains an allyl sulfone and/or a vinyl sulfone ester of formula II. [Selection diagram] None