Table 5. Distribution of caries severity by age and sex.

dmft = decay, missing and filled teeth in primary dentition

DMFT = Decay, missing and filled teeth in permanent dentition

*Mann-Whitney

†Chi-square

Significant p-value < 0.05

Primary dentition	dmft ≤ 3	dmft > 3	dmft ≤ 6	dmft > 6
Age (years) (mean±sd)	7.57±2.26	6.15±1.82	7.31±2.21	5.60±1.57
	z = 8.866, p < 0.0001*		z = 8.001, p < 0.0001*
Sex	n (%)	n (%)	n (%)	n (%)
Girls	254 (67.0)	125 (33.0)	327 (86.3)	52 (13.7)
Boys	247 (58.8)	173 (41.2)	347 (82.6)	73 (17.4)
	p = 0.017†		p = 0.155†
Permanent dentition	DMFT ≤ 3	DMFT > 3	DMFT > 6	DMFT > 6
Age (years) (mean±sd)	7.95±1.77	9.60±1.64	8.12± 1.82	10.50± 1.64
	z = -7.215, p < 0.0001*		z = -3.602, p = 0.0003
Sex	n (%)	n (%)	n (%)	n (%)
Girls	258 (86.0)	42 (14.0)	294 (98.0)	6 (2.0)
Boys	285 (88.8)	36 (11.2)	317 (98.8)	4 (1.2)
	p = 0.295		p = 0.456