Table 1. Values of gingival index at baseline and one month follow up in all five categories.

Experimental group	Category I	Category II	Category III	Category IV	Category V	p-value
Baseline	2.31±0.21	2.23±0.18	2.29±0.21	2.24±0.18	2.32±0.18	0.24
1 month	0.27 ±0.15	0.20±0.04	0.25 ±0.17	0.21 ±0.04	0.58±0.19	<0.05
Intra-group variation. P-value	<0.05	<0.05	<0.05	<0.05	<0.05