Clinical Study
Index of Orthodontic Treatment Need in Obese Adolescents
Table 1
Description of the degrees of the IOTN (DHC score).
| DHC score | Occlusion | Orthodontic treatment need |
| 1 | Perfect or almost perfect occlusion | No need | 2 | Occlusion with slight irregularities | Slight need | 3 | Occlusion with higher irregularities | Borderline need | 4 | Occlusion with more severe irregularities | High need | 5 | Severe dental health problems | Very high need |
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