<prompt> Which is an effect of fillers in composite is:Increased thermal expansion.Decreased thermal expansion.Increased thermal contaction.Increased polymerization shrinkage.  <response>: Fillers in compositeGenerally between 30 to 70 by volume or 50 to 85 by weight of a compositeBenefits of FillersReinforcement- compressive strength, tensile strength, modulus of elasticity i.e., stiffness or rigidity, and toughnessReduction of polymerization shrinkagecontractionReduction in thermal expansion and contractionControl of workabilityviscosityDecreased water sorptionImparting radiopacity 