Table 1.

Intercomparison of OHI-S score between all three visits

OHI-S index	1st visit		2nd visit		3rd visit
	Frequency	Percent	Frequency	Percent	Frequency	Percent
Good	5	0.6	9	1.1	70	8.8
Fair	573	71.6	643	80.4	700	87.5
Poor	222	27.8	148	18.5	30	3.8
Total	800	100.0	800	100.0	800	100.0
χ2 value = 11.285, p value = 0.001*

Chi-square test

^*Significant difference