Hamad Amalgams 15/04/2021 A. 45-55% B. 55-65% C. 65-85% D. More than 85% Related Mcqs: Increase in the residual mercury in silver amalgam filling can_____________?A. Cause fracture of the filling B. Tarnish and corrosion C. Increase the strength D. Decrease condensation pressure... Which phase provides maximum strength in hardened mercury/silver alloy ?A. Silver / Mercury phase B. Silver / Tin phase C. Tin / Mercury phase D. Zinc / Mercury phase... The tarnished layer of silver amalgam consists of________________?A. Sulphides of silver B. Oxides of tin C. Chlorides of tin D. All of the above... Co-efficient of Thermal exansion of amalgam is______________?A. 6.6 a (ppm k-1) B. 11.4 a (ppm k-1) C. 14.0 a (ppm k-1) D. 25.0 a (ppm k-1)... What is common in amalgam and ceramics ?A. More compressive strength but less tensile strength B. More compressive strength and tensile strength C. Less compressive strength but more tensile strength D. Less compressive strength and tensile strength...
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