Multiple Choice
Which of the following is true for hydrocolloids in dentistry?
A) Agar hydrocolloid is a reversible hydrocolloid.
B) Agar hydrocolloid requires the use of custom impression trays.
C) The main clinical use of reversible hydrocolloid is for impressions for diagnostic casts.
D) When agar powder is mixed with water,it forms a gluelike suspension that entraps the water,making a colloidal suspension called a gel.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: What could occur if a cast is
Q3: Which characteristic should be considered when choosing
Q4: Which of the following impression materials has
Q5: For a maxillary alginate impression,the operator stands
Q6: _ gloves should be used when mixing
Q7: Match the items with the correct description
Q8: The completed impression forms a _ reproduction
Q9: Of the items listed,which would not be
Q10: What is the ideal time frame for
Q11: The temperature at which the hydrocolloid liquefies