A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

Related Mcqs:

Addition of large amounts of platinum to a casting gold alloy will________________?

A. Decrease its strength and ability to be hardened B. Decrease its tarnish resistance C. Increase its fusion temperature D. Redden the alloy...

Incomplete casting is the result of_____________?

A. More porous investment in the mould B. Narrow sprue diameter C. Hollow sprue pin D. Large reservoir...

Titanium casting is done_____________?

A. Under vacuum in argon atmosphere B. Under air pressure in nitrogen atmosphere C. In specially fabricated aluminium vanadium D. Using CAD-CAM technique...

The term ordered hardening heat treatment used in which of the following dental alloys ?

A. Gold-Copper B. Nickel-Chromium C. Nickel-Titanium D. Silver-Palladium...

Casting shrinkage is compensated by_______________?

A. Thermal expansion B. Hygroscopic expansion C. Wax expansion D. All of the above...