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The distribution (n %) of aesthetic impact [1–4], on surface level after orthodontic treatment.
| Group score | FMR (n = 1944) | HFT (n = 2040) | CTR (n = 1968) |
|---|---|---|---|
| 1 | 1374 (76.0%) | 1408 (75.6%) | 1273 (70.8%) |
| 2 | 391 (21.6%) | 404 (21.7%) | 482 (26.8%) |
| 3 | 42 (2.3%) | 51 (2.7%) | 41(2.3%) |
| 4 | 0 (0%) | 0 (0%) | 1 (0.1%) |
