| Control group | Test group | pa |
---|---|---|---|
Central incisors | |||
 Baseline | 0.94 ± 0.18 (0.50–1.27) | 0.94 ± 0.28 (0.35–1.53) | 0.783 |
 6 months | 1.06 ± 0.16 (0.73–1.50) | 1.31 ± 0.34 (0.81–1.99) | 0.009** |
 pb | 0.000** | 0.000** |  |
Lateral incisors | |||
 Baseline | 0.92 ± 0.20 (0.56–1.31) | 0.96 ± 0.23 (0.50–1.51) | 0.479 |
 6 months | 0.99 ± 0.17 (0.67–1.50) | 1.30 ± 0.33 (0.94–2.05) | 0.000** |
 pb | 0.009** | 0.000** |  |
Canine teeth | |||
 Baseline | 0.98 ± 0.18 (0.56–1.30) | 0.94 ± 0.20 (0.60–1.34) | 0.262 |
 6 months | 1.02 ± 0.13 (0.63–1.30) | 1.32 ± 0.32 (0.90–2.00) | 0.000** |
 pb | 0.129 | 0.000** |  |