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Depths and widths of the recessions (mm) before and after orthodontic treatment (mean ± standard deviation)
| Patient | Depth before (mm) | Depth after (mm) | Width before (mm) | Width after (mm) |
|---|---|---|---|---|
| 1 | 4 | 2.5 | 3.5 | 2.0 |
| 2 | 7.0 | 4.0 | 3.5 | 2.5 |
| 3 | 13.0 | 3.0 | 3.0 | 2.0 |
| mean ± SD | 8.0 ± 4.6 | 3.3 ± 0.5 | 3.3 ± 0.3 | 2.2 ± 0.3 |
| Δ change | 4.7 mm | 1.1 mm | ||
All values in mm, Δ change means the difference before and after treatment
