Table 3.

Comparison of mean dft/DMFT and SiC score among various age groups

Caries Index	Age group	n	Mean±SD	P
Primary dft Score	5-6	491	2.03±2.86	<0.001*
	7-8	961	1.96±2.44
	9-10	1072	1.31±1.88
	11-12	830	0.35±1.00
	Total	3354	1.36±2.16
SiC Score	5-6	164	5.29±2.7	<0.001*
	7-8	320	4.83±2.08
	9-10	357	3.48±1.80
	11-12	277	1.06±1.50
	Total	1118	3.53±2.53
Permanent DMFT Score	5-6	491	0.05±0.35	<0.001*
	7-8	961	0.12±0.48
	9-10	1072	0.30±0.81
	11-12	830	0.58±1.11
	Total	3354	0.28±0.80
SiC Score	5-6	164	0.15±0.59	<0.001*
	7-8	320	0.37±0.78
	9-10	357	0.91±1.20
	11-12	277	1.74±1.30
	Total	1118	0.85±1.20

One way ANOVA, significance level P<0.001