Porcelain-fused-to-metal restorations provide strength to a crown or bridge, and offer a long-tested track record. Dentists have been placing PFM crowns for patients since the late 1950s. These restorations are very strong and durable. The combination of porcelain bonded to a supported structure of metal creates a stronger restoration than porcelain used alone. However, in more recent decades, their popularity has gradually lost ground to other, more modern, types of restorations such as all-ceramics and zirconia.Send a Case Download Rx
Our PFMs can be used for crowns and bridges (up to fourteen units). PFMs can be manufactured to nonprecious, semiprecious, and yellow high noble copings and can be used in conjunction with cast partials and implants.
Contraindicated when the patient has a metal allergy or when the size of the tooth pulp is negligibly smaller, thus compromising the tooth preparation process. It is also contraindicated when the clinical tooth crown is very short and lacks the required stability including retention that is enough to provide the space for porcelain and metal.
The ideal preparation for PFMs is a chamfer margin preparation. If a porcelain labial margin is prescribed, then a shoulder margin preparation is required.
If an adjustment is required on the ceramic, use a fine diamond with water and air to keep the crown cool. To contour the ceramic, polish with a pink rubber wheel and diamond polishing paste (Brasseler, Shofu, Vident).