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Methods : The influence of surface texture and wettability on initial bacterial adhesion on titanium and zirconium oxide dental implants [3]

Methods : The influence of surface texture and wettability on initial bacterial adhesion on titanium and zirconium oxide dental implants [3]

author: Torsten Wassmann, Stefan Kreis, Michael Behr, Ralf Buergers | publisher: drg. Andreas Tjandra, Sp. Perio, FISID

Ten specimens of each material group tested were investigated. As control references, we used the fluorescence values of pure phosphate-buffered saline (0-control), buffer and CytoX-Violet (dye-control), and pure bacterial solution (bacteria-control).

All calculations and graphic displays were done with SPSS 16.0 for Windows (SPSS Corporation, Chicago, IL, USA). Means and standard deviations for R a , water contact angles, and relative fluorescence intensities were calculated. We used three-way analysis of variance (ANOVA) to analyze the influence of R a and hydrophobicity on the adherence of S. sanguinis and S. epidermidis to the titanium and ceramic specimens. The Tukey–Kramer multiple comparison test was applied for post hoc analysis, and the level of significance was set at α = 0.05.

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