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Wilcoxon test results for white spot color change in the control group
| Group | n | Value obtained | Median (minimum-maximum) | P |
|---|---|---|---|---|
| Control | 14 | ΔEstart* | 9.68 (4.82-18.60) | 0.001 |
| ΔEend† | 8.36 (4.58-17.74) |
*Value obtained after the white spot was artificially formed, †Value obtained after the white spot was treated for 14 days
