Table 5.

Mean (SD) and range of Plaque index scores.

	Mean	Min	Max	p-value*
Pre-experimental	2.27 (0.34)	1.68	3.01	0.193	Pre-experimental vs. Baseline
Baseline	2.21 (0.31)	1.60	3.12	0.014	Baseline vs. Post-experimental
Post-experimental	2.43 (0.39)	1.63	3.26

^*Wilcoxon Signed Ranks test.