TCDHA dental materials test Questions With Correct Answers

Self-curing is a process whereby a chemical reaction occurs when 2 resins, a base with chemical activators and a catalyst, are mixed together? - ️️True Moisture contamination contributes to ineffective bonding? - ️️True Enamel bonding is stronger than dentin bonding? - ️️True Composite resins light cured in large increments can contribute to hypersensitivity? - ️️True The primer is applied following the bonding resin? - ️️False, it happens before The smear layer is composed of cut tooth debris, bacterial plaque, and bodily which interferes with the formation of bond to the pulp? - ️️False What is the name of the acid commonly used to etch tooth structure? - ️️phosphoric acid How is bonding to enamel achieved? - ️️requires only a low viscosity liquid resin monomer that will penetrate into the spaces on and between enamel rods created by acid etching What causes dentin sensitivity? - ️️over etched dentin How is dentin bonding best achieved? - ️️Adhesion occurs by removal of smear layer and formation of micro tags within intertubular dentin