Topography and Distribution of Trace Surface Metals (Sn, In) on Alloys for Porcelain-Metal Restoration: Influence of Surface Treatments

Abstract
Gold alloys were given five different conditioning treatments prior to porcelain firing. The alloys were examined with a scanning electron microscope and energy dispersive X-ray analyzer. Only two of the alloys had tin and indium present; these were concentrated in particles partially fused to the alloy's surface.

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