# How is Gutta Percha Sterilized?

# Gutta Percha can effectively be sterilized by? (AIIMS-07)
a) Dry heat
b) Autoclaving
c) Hot salt sterilizer
d) Chemical solutions

Answer: D. Chemical Solutions

Gutta-percha cones may be kept sterile in screw-capped vials containing alcohol. A Gutta percha cone freshly removed from the manufacturer’s box should be immersed in 5.2% sodium hypochlorite for 1 minute, then rinse the cone with hydrogen peroxide and dry it between 2 layers of sterile gauze. 

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