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Transverse measurements on digital models (yellow = pre-treatment; blue = post-treatment). Δ = absolute change (post−pre); Δ% = percent change relative to pre-treatment.
| Distance | Pre (mm) | Post (mm) | Δ (mm) | Δ % |
|---|---|---|---|---|
| Intercanine (C–C) | 19.17 | 22.88 | +3.71 | +19.4% |
| Inter–second deciduous molars (5–5) | 25.79 | 29.15 | +3.36 | +13.0% |
