The potentially destructive nature of dental porcelain placed on the occluding surface of prosthodontic restorations is explored. Current restorative trends are addressed with presentation of multiple clinical examples. Emphasis is placed on working knowledge by the restorative dentist. First an indepth knowledge of physical properties of dental porcelains is a necessity. Comprehensive treatment planning that includes a total evaluation of the patient's occlusal function and dysfunction is critical. Finally, viable material and treatment options are presented along with methods to help control the effects of porcelain if its use is mandated. This article does not condemn or condone the use of porcelain on occluding surfaces, but graphically reveals its potentially destructive character and suggests possible options.