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Comparison of pretreatment and post de-crowding incisor mandibular plane angle.
| Group | Patient number | Pre-treatment IMPA | Post-treatment IMPA |
|---|---|---|---|
| I | 1 | 96 | 97 |
| I | 2 | 94 | 96 |
| I | 3 | 92 | 93 |
| I | 4 | 93 | 93 |
| I | 5 | 91 | 92 |
| I | 6 | 95 | 95 |
| I | 7 | 97 | 98 |
| I | 8 | 95 | 96 |
| I | 9 | 93 | 94 |
| I | 10 | 97 | 97 |
| II | 1 | 92 | 94 |
| II | 2 | 94 | 97 |
| II | 3 | 92 | 95 |
| II | 4 | 96 | 96 |
| II | 5 | 93 | 95 |
| II | 6 | 96 | 97 |
| II | 7 | 97 | 99 |
| II | 8 | 95 | 97 |
| II | 9 | 94 | 96 |
| II | 10 | 91 | 92 |
