Table 3 The degree of root resorption (mm) between T1 and T2 for the patients in self-ligating brackets group
Measurements, mm | T1 | T2 | T2–T1 | P | ||
|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | |||
Maxillary right central incisor | 25.23 | 1.58 | 24.91 | 1.28 | −0.32 | 0.001 |
Maxillary right lateral incisor | 24.35 | 1.26 | 24.08 | 1.22 | −0.27 | 0.001 |
Maxillary left central incisor | 25.25 | 1.54 | 24.92 | 1.32 | −0.33 | 0.004 |
Maxillary left lateral incisor | 24.27 | 1.25 | 23.99 | 1.35 | −0.28 | 0.001 |