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Calculation of Interfacial Stress in Porcelain-fused-to-metal Systems
Raymond L. Bertolotti
Department of Restorative Dentistry, University of California, San Francisco, California 94143
A method is given for calculating interfacial shear stress in porcelain-fused-to-metal restorative materials. Thermal history of the porcelain and dynamic stress relief relations are utilized to predict interfacial stress as a function of temperature. Calculations are in agreement with experimental results based on the deflection of bimaterial strips and are consistent with previously reported data.
Journal of Dental Research, Vol. 59, No. 11,
1972-1977 (1980)
DOI: 10.1177/00220345800590110801

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