Research Article
Prevalence of Orthodontic Treatment Need and Occlusal Traits in Schoolchildren
Table 3
Prevalence of the grades of the Dental Health Component of the Index of Orthodontic Treatment Need.
| | Grade | Female (%) | Male (%) | Total (%) | 95% confidence interval
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| | 1 | 93 (29) | 65 (20.2) | 158 (24.6) | 21.27–27.93 | | 2 | 109 (34) | 146 (45.3) | 255 (39.7) | 35.92–43.48 | | 3 | 96 (29.9) | 76 (23.6) | 172 (26.7) | 23.28–30.12 | | 4 | 16 (5) | 25 (7.8) | 41 (6.4) | 4.51–8.29 | | 5 | 7 (2.1) | 10 (3.1) | 17 (2.6) | 1.37–3.83 |
| | Total | 321 (100) | 322 (100) | 643 (100) | |
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