In Vitro Microbial Adhesion on the Surfaces of Various Polytetrafluoroethylene Membranes Used in Guided Bone Regeneration.

Upon examining the exact correlation between the extent of microbial adhesion and the membrane roughness values for each strain individually, a clear trend in microbial adhesion increase with increases in roughness was observed; the correlation was the most robust for P. gingivalis (r 2 = 0.98), followed by S. mutans (r 2 = 0.55), and less so for C. albicans (r 2 = 0.23) ( Figure 4 a–c).

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