Prevalence of Orthodontic Treatment Need and Occlusal Traits in Schoolchildren

Table 2

Age distribution.

Age	Male	Female	Total
15 years old	107 (32.2)	98 (30.5)	205 (31.9)
16 years old	129 (40.1)	114 (35.5)	243 (37.8)
17 years old	86 (26.7)	109 (34)	195 (30.3)
	322	321	643