I could not agree more with my fellow practitioners on the non-feasibility of mandating a "warranty" on crown and bridge prostheses.  My colleagues have more than adequately pointed out that there are simply too many extraneous factors beyond our control to consider this regulation as resonable. The comments by Dr. Fasano in particular were very pointed and factual and truly reflect the feelings of the vast majority, if not 100%,  of all general practitioners in The Commonwealth..