The effects of the β-stabilizing elements (Ag, Au, Co, Cr, Cu, Fe, Mn, and Pd) on the characteristics of the experimental binary titanium alloys were examined with respect to mechanical properties, high temperature reactivity, corrosion resistance, grindability and machinability. The addition of β stabilizers to titanium lowers the fusion temperature, improves working mechanical properties, and suppresses reactivity at high temperature while maintaining corrosion resistance. The Ti-Cr or Ti-Mn alloys display similar favorable properties as dental casting titanium alloys. On the other hand, the Ti-Ag alloys may belong to the free-cutting materials, and demonstrate inhibitory properties on biofilm formation without affecting normal microbial flora. The Ti-20mass%Ag alloy is especially noted for its potential use as a dental CAD/CAM alloy, which may be potentially used not only for dental use but also for other medical applications.
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