What Is Dental Cement Made Of?
What Is Dental Cement Made Of? Composition: Powder + liquid reaction. Zinc oxide (powder) + poly(acrylic) acid (liquid) = Zinc polycarboxylate. Zinc polycarboxylate is also sometimes referred to as zinc polyacrylate or zinc polyalkenoate. How long does dental cement last? The temporary crown needs to be removed in 1 to 3 weeks, and thus the