174Dental MaterialsMedium
Amalgam restorations give the best clinical service when the residual mercury content is________?
A68-72%
B38-42%
C58-62%
D48-52%
Correct answer
D. 48-52%
Explanation
The correct answer is 48-52%.
Correct answer
D. 48-52%
Explanation
The correct answer is 48-52%.
The gold alloys used for casting contain at least.... percent of precious metal according to ADA specification number 5________?
In plaster of paris the setting time is primarily altered by________?
Amalgam achieves 70% of the strength by________?
What is the most frequently used restorative material?
Syringe material is________?
Linear contraction of elostomeric impression with passage of time is highest in________?