Q
The cavity varnish applied reduces post operative sensitivity in amalgam restoration by____________?
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A
A. Decreasing conduction of heat to pulp
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B
B. Minimize marginal leakage around restoration
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C
C. By altering the chemical composition of restoration materials
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D
D. By preventing penetration of corrosion products into the dentinal tubules
Correct Answer:
B. B. Minimize marginal leakage around restoration
