A dental composite having high filler loading and low shrinkage thereby providing
good strength and marginal integrity. Through the use of prepolymerized filler
particles in combination with a structural filler and a nanofiller, the composite
exhibits very low shrinkage and is useful in stress bearing restorations and in
cosmetic restorations. The structural filler used is ground to a mean particle
size of less than 0.5 m and the nanofiller has discrete particles of a mean
particle size less than 100 nm to improve handling and mechanical characteristics.
The prepolymerized filler particles also allow for less viscosity and better handling
characteristics of the composite.
