Patient 2 Category: Crowns & Bridges Gender: Female Description: These two different cases show how modern metal-free Porcelain Crowns can completely renew teeth and smiles while repairing and protecting teeth from breakage and decay. Details: Sometimes an even bigger filling just isn't the answer... The new Procera Crowns are made partially by hand and partially by sophisticated CAD-CAM procedures, and are both beautiful and strong. Notice that there is no metal to display, even on the inside.     Details: Two teeth weakened by large silver fillings and decay were crowned with translucent, metal-free Eris Crowns. A third tooth was updated from an old Porcelain-Fused-To-Metal Crown to an Eris Crown, eliminating the dark line by the gumline and the unnaturally opaque look.