Effect of Herbal and Fluoride Mouth Rinses on Streptococcus mutans and Dental Caries among 12–15-Year-Old School Children: A Randomized Controlled Trial

Table 6

Intragroup and pair-wise intragroup comparison of mean DMF score (ICDAS Criteria) in Groups I, II, and III (fluoride mouth rinse) at Baseline, 6th month, and 12th month (per-protocol analysis).

Time period ()	Mean	Standard deviation	value; Friedman Test	value; ⁢Wilcoxon Signed Ranks Test
				Baseline–6th month	Baseline–12th month	6th month–12th month
Group I (fluoride mouth rinse)
Baseline	1.16	1.42	0.135	0.180	1.000	0.180
6th month	1.10	1.34
12th month	1.16	1.42
Group II (herbal mouth rinse)
Baseline	1.31	1.56	0.174	0.257	0.317	0.102
6th month	1.27	1.54
12th month	1.32	1.57
Group III (placebo mouth rinse)
Baseline	0.95	1.34	0.234	0.426	0.068	0.102
6th month	1.00	1.34
12th month	1.05	1.32