D6604 Dental Code: Crown – Porcelain/Ceramic Substrate
The D6604 dental code, as defined by the American Dental Association (ADA), refers to a crown restoration made primarily of porcelain/ceramic substrate. Unlike porcelain-fused-to-metal (PFM) crowns (D2740), this code applies to all-ceramic or full-porcelain crowns, which are highly aesthetic and biocompatible. This code is…