Groups | Mean | (±SD) | Comparison | p value |
Group I (<6 months orthodontic treatment) | 21.06 | 3.40 | Group I and II | 0.532 |
Group I and III | 0.017* | |||
Group II (6 - 12 months orthodontic treatment) | 21.82 | 3.60 | Group II and III | 0.189 |
Group III (>12 months orthodontic treatment) | 23.06 | 3.49 |
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