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Journal of Dental Research, Vol 65, 998-1000, Copyright © 1986 by International & American Associations for Dental Research Online Journals
ARTICLES |
E. S. Grossman, M. J. Witcomb and A. Jodaikin
X-ray micro-analysis was used to determine the elemental composition of the tooth, amalgam, and base material of ten aged, amalgam-restored, posterior teeth after they had been fractured across the amalgam-tooth interface. Subsequently, replicas were used to remove marginal seal material from each interface for examination by x-ray micro-analysis. The results show that P and Sn were present in all marginal seal material analyzed. Ca, Cl, Cu, Fe, S, and Zn were present in the marginal seals of various numbers of specimens.
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