Why are varnishes and cavity liners used prior to placing a direct restoration?
A) Function as a protective barrier between dentin and the restorative material
B) Minimize the ingress of oral fluids at the restoration-tooth interface
C) Protect the pulp from the high pH of calcium hydroxide
D) A, B, and C are correct.
E) Only A and B are correct.
Correct Answer:
Verified
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