Although the number of research reports on dental composites far outnumbers those on amalgams in recent years, amalgam remains the popular clinical choice for posterior restorations. Recent research on corrosion phenomena, mechanical properties, and new compositions indicates that the useful properties of amalgam may still be improved. Given the current position of amalgam within the dental armamentarium, focused research on the physical chemistry and metallurgy of current and new amalgams may continue to pay dividends.
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