An Experimental Gallium-Containing Alloy for Plastic Restoration in vivo andin vitro

The effect of the Pd content in a powder alloy which was triturated with a commercial Ga-containing liquid alloy was evaluated by measuring its mechanical properties and by its clinical performance in class I restorations. Experimental powder alloys were prepared by reducing the Pd content of a comm...

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Bibliographic Details
Published inThe Journal of Showa University Dental Society Vol. 14; no. 2; pp. 145 - 149
Main Authors NAKAMURA, Wataru, ITOH, Kazuo, WAKUMOTO, Sadao, HISAMITSU, Hisashi
Format Journal Article
LanguageEnglish
Published Showa University Dental Society 1994
Subjects
corrosive resistance
gallium alloy
palladium
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Summary:The effect of the Pd content in a powder alloy which was triturated with a commercial Ga-containing liquid alloy was evaluated by measuring its mechanical properties and by its clinical performance in class I restorations. Experimental powder alloys were prepared by reducing the Pd content of a commercial powder alloy, which contained 10 wt % Pd, to either 3 wt % or 0 wt % (Pd-free alloy). The clinical performance of the restorations was significantly improved by decreasing the Pd content to 3 wt %, and the degree of marginal integrity correlated with the creep. Therefore, these results suggest that the Pd content in the commercial alloy should be reduced to 3 wt % to improve its clinical longevity.
ISSN:0285-922X
2186-5396
DOI:10.11516/dentalmedres1981.14.145