1. Porcelain-fused-to-metal restorations. The effect of the firing schedule on the shoulder- and chamfer-type restorations;Shaffner,1972
2. Gold/porcelain bridgework;Howell;Br Dent J,1964
3. The porcelain-fused-to-metal restoration;Mumford;Dent Clin North Am,1965
4. An evaluation and comparison of porcelain fused to cast metals;Silver;J Prosthet Dent,1960
5. Distortion related to margin design in porcelain-fused-to-metal restorations;Faucher;J Prosthet Dent,1980