Lower light intensity may cause insufficient adhesion of bonding material, poor polymerization of resin-based composite which may result in fracture, micro-leakage, sensitivity, and recurrent caries, unable to resist wear in function, unable to be polished, unable to maintain their luster and color. Choose a high-energy output curing light to improve Clinical Results through Light-Curing! A high light-energy device in hand is the key to ensure the quality and durability of the restorations when light-curing resin adhesives, resin-based composites, resin cements, and other light-activated restorative materials. Advantage of Rolence curing light - Elitedent Q-4: - 1,400 mW/cm2 light intensity output; light energy rarely declines (<50 mW/cm2 per year). - 5 second to cure 3-mm-thick resin composite specimen, - Autoclavable Curing tip rotates 360°for curing at any position of mouth, - Versatile fiber optic curing tip optional,