Souza, J. C. M.Henriques, M.Oliveira, R.Teughels, W.Celis, J. P.Rocha, Luís Augusto Sousa Marques da [UNESP]2016-03-022016-03-022010Biofouling, v. 26, p. 471-478, 2010.0892-7014http://hdl.handle.net/11449/134545The main aim of this work was to study the simultaneous wear-corrosion of titanium (Ti) in the presence of biofilms composed of Streptococcus mutans and Candida albicans. Both organisms were separately grown in specific growth media, and then mixed in a medium supplemented with a high sucrose concentration. Corrosion and tribocorrosion tests were performed after 48 h and 216 h of biofilm growth. Electrochemical corrosion tests indicated a decrease in the corrosion resistance of Ti in the presence of the biofilms although the TiO2 film presented the characteristics of a compact oxide film. While the open circuit potential of Ti indicated a tendency to corrosion in the presence of the biofilms, tribocorrosion tests revealed a low friction on biofilm covered Ti. The properties of the biofilms were similar to those of the lubricant agents used to decrease the wear rate of materials. However, the pH-lowering promoted by microbial species, can lead to corrosion of Ti-based oral rehabilitation systems.471-478engStreptococcus mutansCandida albicansBiofilmBiotribocorrosionTitaniumArtigo10.1080/08927011003767985Acesso restrito6667758239563438