Multiple Choice
Which of the following statements is true regarding the strength of dental amalgam?
A) Amalgams are stronger in compression than composites but weaker than glass ionomers.
B) Amalgams are relatively weak in tension and shear and therefore require adequate bulk to resist breaking.
C) Some high-copper amalgams gain approximately 80% of their strength in the first hour.
D) High-copper amalgams have a much higher compressive strength than low-copper amalgams once they have completely set at about 24 hours.
Correct Answer:
Verified
Correct Answer:
Verified
Q29: Match the items with the correct description
Q30: Undertriturated amalgam alloy has a _ appearance
Q31: Which of the following statements is true
Q32: Why is the wet resin technique used
Q33: Compared to composites or glass ionomers,amalgams are
Q34: What will occur if one attempts to
Q35: High-copper amalgams do not have a _
Q36: In the low-copper amalgams,zinc was responsible for
Q38: What mechanical device mixes the dental amalgam
Q39: How will properly triturated amalgam appear?<br>A) A