Porcelain-fused-to-metal (PFM) crowns: PFM crowns feature a metal base coated with a layer of tooth-colored porcelain. These crowns are strong due to the metal base but have a natural look thanks ...

This is especially true for monolithic zirconia crowns, which are made only from zirconia and no other types of ceramic or metal, although it may be less of an issue for teeth in the back of your ...