Protection: Calcium hydroxide is relatively fragile and also does not bond to tooth structure well. By placing a layer of glass ionomer over it you hold the calcium hydroxide in place and prevent it from cracking and/or dislodging when you place your final restoration.
Answered 7/18/2013
5.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question