Dental materials Midterm TCDHA questions with correct answers

material subject to repeated stress such as in mastication may be subject to fracture due to Answer fatigue failure Galvanism Answer The phenomenon of electric current being transmitted between two dissimilar metal Thermal conductivity Answer The rate at which heat flows through material over time internal reaction to an externally applied force is called Answer stress Retainer Answer part of bridge that fits over the abutment Pontic Answer false/artificial tooth Abutment Answer supporting natural tooth esthetic materials used for restoration of enamel need high? Answer vitality leakage of fluids and debris extending along the tooth restoration interface is called Answer microleakage excessive film thickness may cause Answer improper seatiing of restoration