Table 2.

Comparison of mean OHI score at different intervals between intervention and control group.

Mean OHI score	Intervention	Control	p value
At baseline	3.79 ± 1.54	3.63 ± 1.39	0.283 (NS)
After 1 month	3.14 ± 1.32	3.21 ± 1.31	0.580 (NS)
After 2 months	2.64 ± 1.14	3.38 ± 1.35	<0.01
After 3 months	2.32 ± 1.07	3.56 ± 1.37	<0.01
After 6 months	2.88 ± 1.11	3.99 ± 1.46	<0.01

NS, not significant.