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  • Title: Elements in marginal seals at amalgam-tooth interfaces.
    Author: Grossman ES, Witcomb MJ, Jodaikin A.
    Journal: J Dent Res; 1986 Jul; 65(7):998-1000. PubMed ID: 3458763.
    Abstract:
    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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