Table 6.

Significantly differently abundant OTUs between baseline and post-experimental visit and their abundance in plaque samples.

OTU#*	Number of reads (SD)
	Pre-experimental	Baseline	Post-experimental
113.Streptococcus	155 (52)	128 (53)	258 (93)
120.Corynebacterium	153 (93)	158 (84)	13 (15)
169.Veillonella	28 (43)	16 (14)	106 (61)
16.Corynebacterium	23 (21)	20 (15)	3 (6)
183.Leptotrichia	11 (8)	9 (7)	0.05 (0.2)
251.Capnocytophaga	7 (7)	9 (7)	2 (3)
197.Streptococcus	7 (8)	6 (4)	0.2 (0.5)
245.Cardiobacterium	6 (6)	8 (6)	2 (2)

Samples were randomly subsampled to 850 reads/sample.

^*OTUs that remained significant after OTU-significance Paired samples T-test, Bonferroni correction, p ≤ 0.001; N = 19.