474Dental MaterialsMedium
To prevent porosity in dental porcelain it should be backed________?
AFor long period
BUnder pressure
CBoric oxide
DIn vacuum
Correct answer
D. In vacuum
Explanation
The correct answer is In vacuum.
Correct answer
D. In vacuum
Explanation
The correct answer is In vacuum.
Tublulence of molten gold is due to ________?
The polymerization of self-curing resin takes faster in________?
Reduction in the fusion temperature of dental gold casting alloys is caused by presence of________?
Indium in metal alloys________?
Which one of the following is most elastic?
Average particle size of powdered gold is________?