Nanometric Deposition of Fluoride Ions on Titanium Alloys and its Influence on In Vitro Bacterial Adhesion and Viability

Bacterial colonization plays a key role on the pathogenesis of peri-implantitis and may be influenced by titanium surface topography. The aim this in vitro study was to evaluate influence topography after fluoride ions deposition bacterial colonization. Machined (M), double acid-etched (DE) with (Nano F-) were analyzed scanning electron microscopy, contact angle roughness (Ra). Streptococcus mutans viability quantified Live/Dead Baclight kit. mean Ra/contact values 0.20 μm/69.13°, 0.53 μm /92.82° 0.56 μm/94.33° for M, DE Nano F-, respectively. M presented significantly lower live counts when compared F- (p=0.007). dead bacteria count higher (p=0.001) than surfaces. Crystalline promoted an increase tested surface.