Dental To prevent sensitivity caused by acid etching and to protect pulp in deep cavities which of the following should be used. A Ca(OH)2 liner B ZOE C Light cured GIC liner D Varnish 💡 Explanation To prevent sensitivity caused by acid etching and to protect pulp in deep cavities which of the following should be used. ✓ Correct Answer: A. Ca(OH)2 liner