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. 2020 Nov 16;10:571515. doi: 10.3389/fcimb.2020.571515

Figure 2.

Figure 2

Quantification of the copy numbers of periodontal pathogens in mouthwash samples from healthy controls and chronic periodontitis patients. Whisker box plots indicate the distributions of copy numbers in each group. Pg, Porphyromonas gingivalis; Tf, Tannerella forsythia; Td, Treponema denticola; Pi, Prevotella intermedia; Fn, Fusobacterium nucleatum; Cr, Campylobacter rectus; Aa, Aggregatibacter actinomycetemcomitans; Pa, Peptostreptococcus anaerobius; Ec, Eikenella corrodens. H, Healthy; Sli, Slight; M, Moderate; S, Severe. *p < 0.05, **p < 0.001, NS, not statistically significant.