Zirconia, E.max, or PFM: What Your Crown Is Actually Made Of
Quick answer Zirconia is the strongest of the common dental crown materials and is my first choice for back teeth that take heavy load. E.max (lithium disilicate) is the one I reach for when the crown has to disappear next to natural front teeth. PFM, a porcelain layer fused over a metal substructure, is still…










