Dental bonding is the bonding of restorations. Often made restorations, such as full crowns, porcelain inlays, resin inlays, porcelain veneers, etc. need to be made outside the mouth to complete, and then bonding. Different types of restorations use different bonding materials, full crowns generally use glass-like bonding materials or zinc polycarboxylate sensory materials in a certain proportion of blending into the crown, after the initial solidification of the material, remove the excess bonding agent can be. Porcelain inlays, resin inlays, porcelain veneers, etc., need to be restorations on the surface of the acid etching treatment, the use of resin bonding agent bonding. In addition to the bonding of the restoration, by the oral saliva in the various components of the stimulation, there is the phenomenon of shedding, after the shedding of the preservation of the restoration can be cleaned up after the bonding again. Usually we refer to the bonding of restorations as dental bonding for short.