176Dental MaterialsMedium
The gold alloys used for casting contain at least.... percent of precious metal according to ADA specification number 5________?
A85
B75
C55
D65
Correct answer
B. 75
Explanation
The correct answer is 75.
Correct answer
B. 75
Explanation
The correct answer is 75.
The term given to the phenomenon of moisture absorption by an alginate impression in________?
Amalgam restorations give the best clinical service when the residual mercury content is________?
To make the vinyl Polysiloxane hydrophilic the following is added________?
Stabilization of stainless steel is achieved by adding________?
Pyroplastic flow of porcelain is due to________?
The most important disadvantage of acrylic denture base is________?