Table.

GCF Volume, Plaque Index, and Gingival Index Observed at Study Visits^*

Day	Pooled GCF Volume (µL)#	Plaque Index	Gingival Index
−7	ND	0 (0 to 1)	0 (0 to 0)
0 (baseline)	1.0 (0.6 to 1.4)	0 (0 to 1)	0 (0 to 0)
2	0.5 (0.2 to 1.0)§	0 (0 to 0)	0 (0 to 0)
4	0.5 (0.4 to 0.9)§	0 (0 to 0)	0 (0 to 0)
7	0.6 (0.3 to 1.0)§	0 (0 to 0)	0 (0 to 0)
14	0.9 (0.5 to 1.8)	0 (0 to 0)	0 (0 to 0)

^*Data are presented as median and range observed in 10 participants.

^#In this column, differences in median values among the different dates are statistically significant (P < 0.001, Friedman repeated-measures ANOVA on ranks). Significant differences from baseline (P < 0.05, Dunn’s test) are denoted by §.