Table 1.

Mean plaque index before and after treatment

Plaque Index	Control group		Experimental group		P value
	Mean ± SD	% Change from baseline (%)	Mean ± SD	% Change from baseline (%)
Baseline	1.465 ± 0.128	-	1.397 ± 0.136	-	0.173
1 month	1.203 ± 0.198	17.88	1.207 ± 0.193	13.60	0.956
3 months	0.844 ± 0.196	42.38	0.819 ± 0.190	41.37	0.729
6 months	0.655 ± 0.174	55.29	0.575 ± 0.144	58.84	0.181
P value	<0.000**		<0.000**