[Table/Fig-5]:

Mean and mean difference of gingival index

Assessment interval	Mean ± SD	Mean difference	t value	p-value
Baseline	1.20 ±0.18	Baseline to
1 month	1.02±0.16	0.18±0.09	7.87	<0.001
3 month	0.91±0.17	0.29±0.14	8.30	<0.001
6 month	0.85±0.17	0.35±0.13	10.82	<0.001