Porcelain fused to metal crowns remain one of dentistry’s primary restorations of choice because, when properly constructed and seated, they are strong, reliable and esthetic. This choice will provide patients with an option that is stronger than pure porcelain. . Using porcelain butt margins, you will have a hard time to differentiate it from a non-metal restoration. Porcelain fused to metal also provides the option of a metal chewing surface, which is gentlest on the opposing teeth.