Dental The low thermal conductivity of impression compound is overcome by: A Impression is placed in mouth till it gets cold and sudden removal of impression B By melting in boiling water at 50°c for one hour C By heating with ethanol frame and directly placing in patient's mouth. D Heating in hot water and immediately quenching in water for 20 minutes 💡 Explanation The low thermal conductivity of impression compound is overcome by: ✓ Correct Answer: A. Impression is placed in mouth till it gets cold and sudden removal of impression