Preparation design and margin distortion in porcelain-fused-to-metal restorations☆
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☆ This study was supported in part by Institutional General Research Support Grant No. 5 SOL-RR 5304 from the United States Department of Health, Education and Welfare.Reprinted with permission from J Prosthet Dent 1973;29:276-84.
PII: S0022-3913(03)00239-7
doi:10.1016/S0022-3913(03)00239-7
© 2003 The Editorial Council of The Journal of Prosthetic Dentistry. Published by Elsevier Inc. All rights reserved.

