Adherence of Streptococcus mutans to implant materials

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Abstract
The adherence of Streptococcus mutans OMZ‐176 to six implant materials (polycrystal alumina, single‐crystal alumina, titanium alloy, cobalt‐chromium‐molybdenum alloy, hydroxyapatite, and heat‐curing polymethylmethacrylate resin) was studied in vitro. The change of free energy, which corresponds to the adherence process, was also evaluated for hydrophobic interaction. Adherence of S. mutans to poly‐crystal alumina was lower than adherence to other materials. The adherence of S. mutans to the test materials was highly correlated with the change of free energy, which suggests that hydrophobic interaction plays an important role in the adherence of S. mutans to the implant materials.