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Journal of Dental Research, Vol 61, 1066-1069, Copyright © 1982 by International & American Associations for Dental Research Online Journals
ARTICLES |
P. H. DeHoff, K. J. Anusavice and P. W. Hathcock
An experimental and analytical stress analysis of the four-point flexural test for metal-ceramic bond strength is presented. Specimen geometry dictates whether failure occurs at the porcelain surface or at the interface under a line of force magnification. Finite element stress analysis indicates that bond separation, if it occurs, is probably due to normal tensile stresses.
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