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 3

Intergroup comparison of mean DMF score (ICDAS Criteria) at Baseline, 6th month, and 12th month (per-protocol analysis).

Time period	Groups		Mean rank	Chi-square value	value
Baseline	Group I	68	102.48	3.099	0.212
	Group II	67	111.46
	Group III	70	95.02
6th month	Group I	68	101.23	1.812	0.404
	Group II	67	109.94
	Group III	70	97.70
12th month	Group I	68	100.42	1.648	0.349
	Group II	67	109.86
	Group III	70	98.54

value based on Kruskal-Wallis Test.
Statistically significant ().