Figure 4: Mean logarithmic CFU counts (±SD) of non-mutans streptococci in the plaque collected from the studied materials: Non coated titanium alloy (NC), hydrothermally induced TiO2 coating (HT), UV treated non-coated titanium alloy (UVNC) and UV treated titanium alloy with hydrothermally induced TiO2 coating (UVHT).