Discolouration of silver alloy is due to_____________?

Related Mcqs:

Moisture contamination of amalgam can lead to_____________?

A. Marginal breakdown B. Shrinkage C. Delayed expansion D. increased stresses...

Mercury intoxication in dental office mainly results from____________?

A. Direct contact with the mercury B. Inhalation of mercury vapours C. Ingestion of mercury D. None of the above...

Advantage of minimum mercury technique or Eames technique is all Except________________?

A. High strength B. Sets quickly C. Needs no squeezing of excess mercury D. Greater plasticity and adapts well to cavity walls...

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)...

The higher the Hg alloy ratio in dental amalgam________________?

A. Higher the strength B. Lower the creep value C. More matrix matrial formed D. More gamma 1 phase formed...