TCDHA DENTAL MATERIALS MIDTERM EXAM WITH COMPLETE QUESTIONS AND ANSWER [VERI FIED ANSWERS] RATED A GRADE 2024/2025 Thermal conductivity - CORRECT ANSWER ✔✔ The ra te at which heat flows through material over time internal reaction to an externally applied force is called - CORRECT ANSWER ✔✔
stress material subject to repeated stress such as in mastication may be subject to fracture due to - CORRECT ANSWER ✔✔ fatigue failure Galvanism - CORRECT ANSWER ✔✔ The phenomenon of electric current being transmitted between two dissimilar metal Retainer - CORRECT ANSWER ✔✔ part of bridge that fits over the abutment Pontic - CORRECT ANSWER ✔✔ false/artificial tooth Abutment - CORRECT ANSWER ✔✔ supporting natural tooth esthetic materials used for restoration of enamel need high? - CORRECT ANSWER
✔✔ vitality leakage of fluids and debris extending along the tooth restoration interface is called - CORRECT ANSWER ✔✔ microleak age excessive film thickness may cause - CORRECT ANSWER ✔✔ improper seatiing of restoration the safe interaction of a dental material with rest of the body is defined as the materials - CORRECT ANSWER ✔✔ biocompatibility which of the following restorative materials is most likely to fracture under compressive stress? - CORRECT ANSWER ✔✔ porcelain most soluble restorative material - CORRECT ANSWER ✔✔ glass ionomer crossosion is of the greatest concern for which restorative ma terial - CORRECT ANSWER✔✔ amalgam surface discoloration of a metal restoration is called - CORRECT ANSWER ✔✔
tarnish restorative materials with values of thermal conductivity similar to enamel include - CORRECT ANSWER ✔✔ composite resin defining characterist ic of a solid is that it has - CORRECT ANSWER ✔✔ shape and volume most stable primary bonds - CORRECT ANSWER ✔✔ have regular crystalline structures correct term for describing the macimal amount of stress a material can withstand without breaking is - CORREC T ANSWER✔✔ ultimate strength
stress material subject to repeated stress such as in mastication may be subject to fracture due to - CORRECT ANSWER ✔✔ fatigue failure Galvanism - CORRECT ANSWER ✔✔ The phenomenon of electric current being transmitted between two dissimilar metal Retainer - CORRECT ANSWER ✔✔ part of bridge that fits over the abutment Pontic - CORRECT ANSWER ✔✔ false/artificial tooth Abutment - CORRECT ANSWER ✔✔ supporting natural tooth esthetic materials used for restoration of enamel need high? - CORRECT ANSWER
✔✔ vitality leakage of fluids and debris extending along the tooth restoration interface is called - CORRECT ANSWER ✔✔ microleak age excessive film thickness may cause - CORRECT ANSWER ✔✔ improper seatiing of restoration the safe interaction of a dental material with rest of the body is defined as the materials - CORRECT ANSWER ✔✔ biocompatibility which of the following restorative materials is most likely to fracture under compressive stress? - CORRECT ANSWER ✔✔ porcelain most soluble restorative material - CORRECT ANSWER ✔✔ glass ionomer crossosion is of the greatest concern for which restorative ma terial - CORRECT ANSWER✔✔ amalgam surface discoloration of a metal restoration is called - CORRECT ANSWER ✔✔
tarnish restorative materials with values of thermal conductivity similar to enamel include - CORRECT ANSWER ✔✔ composite resin defining characterist ic of a solid is that it has - CORRECT ANSWER ✔✔ shape and volume most stable primary bonds - CORRECT ANSWER ✔✔ have regular crystalline structures correct term for describing the macimal amount of stress a material can withstand without breaking is - CORREC T ANSWER✔✔ ultimate strength
