Surface modification of titanium by anodic oxidation in phosphoric acid at low potentials: Part 2. In vitro and in vivo study
- Gomez Sanchez, Andrea Valeria
- Shreiner, W.
- Ballarre, Josefina
- Cisilino, Adrian Pablo
- Duffo, Gustavo Sergio
- Cere, Silvia
DOIAbstract
Electrochemical studies in SBF solution were performed, in order to determine the best corrosion resistance condition,comparing as-received titanium, covered with its native surface oxide, and titanium anodized in phosphoric acid. The results indicate that the anodic films obtained at a constant potential of 30 V have higher barrier effect, and the protective layer remains effective against the aggressive anions present in SBF after 30 days of immersion. Due to the promising corrosion performance in simulated biological media coupled with the biocompatible surface characteristics, anodic films on titanium obtained at 30 V were implanted on Wistar Rats to compare the osseointegration results of this modified surface with that corresponding to a...
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