From: Ethnic variations in orthodontic treatment need in London schoolchildren
Treatment need | IOTN AC score | White | Black | Indian | Chinese | Mixed (others) |
---|---|---|---|---|---|---|
No need for treatment | 1–4 | 1293 (86.3) | 292 (89.0) | 590 (86.3) | 103 (89.6) | 146 (90.1) |
Moderate/Borderline need | 5–7 | 177 (11.8) | 33 (10.1) | 77 (11.3) | 12 (10.4) | 16 (9.9) |
Need for treatment | 8–10 | 29 (1.9) | 3 (0.9) | 17 (2.5) |  |  |
Total | Â | 1499 (100.0) | 328 (100.0) | 684 (100.0) | 115 (100.0) | 162 (100.0) |