UniFil Bond is an light-cured resin bonding system which utilizes both chemical and micro-mechanical adhesion principles. It also has stress absorbing characteristics. Light-cured Unifil Bonding Agent Monomer component of bonding agent blends with the monomer component of the self-etching primer When polymerized by light-curing, resin tags are formed in the enamel; a hybrid layer is formed in the dentin High adhesion strength to enamel and dentin Minimizes variability in the bonding technique Less sensitive to dentin wetness compared to traditional, acid etch-rinse bonding systems Results from chemical and micro-mechanical adhesion Penetration of fluoride Fluoride ions from a fluoride releasing composite (like UniFil Flow) can be diffused into the tooth structure through UniFil Bond, due to the hydrophilic monomer in the UniFil Bonding Agent