SummaryThe reactions between liquid mercury and high purit,y tin, silver, and silver-t,in dental alloy (Ag,Sn) were studied at 30°C. Polyhedral-shaped cryslals formed both on the tin and Ag3Sri specimens, while no crystalites were detected on the surface of the silver. The cryst,als on the tin surface were ident,ified as y2 by x-ray diffraction methods. Electron microprobe data revealed that the polyhedral crystals which formed on the Ag3Sn consisted only of the silver-mercury compound which dissolved a small…
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