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Genus-level abundance of salivary microbiota. Mean relative abundance of the 15 predominant bacterial genera in saliva samples. Relative abundance in baseline samples (n = 29) was compared to relative abundance in samples collected at day 4 (n = 29), day 7 (n = 29), and day 10 (n = 29) after discontinuation of oral hygiene and 14 d (n = 29) after reuptake of oral hygiene. **Adjusted P < 0.01, baseline vs. day 7.
