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Total bacterial counts (bacterial counts/ml × 106) on PT, A, modA, SLA, and modSLA surfaces after 24 h of anaerobic incubation in culture medium (CM) or human saliva (HS). *P<0.05, vs. PT for CM or HS; # P<0.05, vs. A or modA for CM or HS. PT, pretreatment; A, acid-etched; modA, A modified to be hydrophilic; SLA, sand-blasted/acid-etched; modSLA, hydrophilic SLA.
