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.
No comments:
Post a Comment
Add Your Comments or Feedback Here