A. Quartz
B. Cristobalite
C. Tridymite
D. Corundum
A. Cr, Al, Ti
B. Cr, Mo, Ti
C. Cr, Gold, Ti
D. Cr, Fe, Ti
Passivating alloys are_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Primary impression
B. Corrective impressions
C. Impression of single tooth
D. None of the above
Waxes are used for_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Copper cynide
B. Ionic copper
C. Acidic copper sulfate
D. Silver cyanide
A common electrolyte used for plating copper indirect dies is_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. To strength amalgam
B. In orthodontic wires
C. To construct clasps for partial dentures
D. To replace internal gold restorations
Stainless steel is used mostly in dentistry_________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Animal
B. Mineral
C. Insect
D. Vegetable
The base constituents of dental waxes come from three main sources except______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Utility wax
B. Base plate wax
C. Beading wax
D. Boxing wax
A. hole porosity
B. Gas inclusion porosity
C. Micro porosity
D. Subsurface porosity
A. To provide a smooth and glossy surface
B. Increase toughness
C. Decrease toughness
D. Decrease flow at room temperature
Function of carnauba wax_________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Platinum
B. Copper
C. Silver
D. Gold
