Table 3.

Intergroup comparison of all variables at different time intervals

Variables	Intervals	HW	OW	W	CHX	p value*	HW vs OW	HW vs W	post hoc** HW vs CHX	OW vs W	OW vs CHX	W vs CHX
DI-S	T1	1.73 ± 0.48	1.86 ± 0.39	1.74 ± 0.62	1.69 ± 0.39	0.59
	T2	0.80 ± 0.37	0.73 ± 0.40	1.25 ± 0.39	0.76 ± 0.37	0.000		0.001		0.001		0.001
	T3	0.91 ± 0.31	0.86 ± 0.28	1.27 ± 0.39	0.87 ± 0.23	0.001		0.005		0.001		0.001
CI-S	T1	0.20 ± 0.31	0.11 ± 0.11	0.14 ± 0.21	0.095 ± 0.16	0.65
	T2	0.09 ± 0.17	0.10 ± 0.14	0.29 ± 0.33	0.095 ± 0.14	0.009		0.001		0.001		0.01
	T3	0.11 ± 0.18	0.24 ± 0.24	0.50 ± 0.32	0.25 ± 0.24	0.000		0.002	0.03	0.001		0.001
OHI-S	T1	1.93 ± 0.7	1.97 ± 0.43	1.87 ± 0.76	1.80 ± 0.50	0.62
	T2	0.89 ± 0.43	0.83 ± 0.44	1.54 ± 0.61	0.83 ± 0.49	0.000		0.007		0.001		0.005
	T3	1.028 ± 0.36	1.11 ± 0.43	1.77 ± 0.63	1.125 ± 0.39	0.000		0.001		0.001		0.001
S. mutans	T1	19.2 ± 13.75	12.76 ± 9.7	15.41 ± 11.89	14.13 ± 12.88	0.94
	T2	4.87 ± 5	6.14 ± 4	17.37 ± 17.25	3.043 ± 1.91	<0.001		<0.001	0.04	<0.001	0.006	<0.001
	T3	2.87 ± 2	2.23 ± 0.76	15.33 ± 3	1.86 ± 1.74	0.001		<0.001	0.002	<0.001	0.006	<0.001

^*One-way ANOVA (Kruskall Wallis) test; ^**Post hoc Mann–Whitney U test