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Comparison between rates of intrusion in the two groups
| Parameters | Miniscrew | Intrusive arch | P-value |
|---|---|---|---|
| Treatment duration (months) | 5.3 ± 1 | 4.8 ± 1 | 0.152 |
| Total rate of intrusion (mm) | 2.6 ± 0.8 | 2.9 ±0.8 | 0.461 |
| Monthly rate of intrusion (mm) | 0.49 | 0.60 |
