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7801 Dental

A 30 year old male patient complains of food lodgment and pain in lower right back teeth region. RCT was done with 46 and 45 was missing. Cast metal restoration with gold alloy was planned for 46. The patient is not happy with the color of the prosthesis. The reasons for the color of the prosthesis may be all except:

AInvestment breakdown at elevated temperatures
BHigh Sulphur content of the torch flame
CInteraction of molten alloy with sulphur
DCoarse silica used in investment
Dental
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