From: Alveolar bone changes following bi-maxillary vertical molars’ movements using clear aligners
Variables | Mean ± standard deviation SD (mm) | P value | ||
---|---|---|---|---|
T0 | T1 | Change T0-T1 | ||
Buccal surface | ||||
Maxillary right 1st molar | 1.66 ± 0.96 | 1.70 ± 1.35 | -0.03 ± 0.85 | 0.90 |
Maxillary right 2nd molar | 2.56 ± 3.50 | 1.80 ± 1.01 | 0.76 ± 3.55 | 0.49 |
Maxillary left 1st molar | 1.98 ± 1.15 | 1.79 ± 1.42 | 0.19 ± 0.67 | 0.27 |
Maxillary left 2nd molar | 1.37 ± 0.92 | 1.80 ± 1.09 | -0.42 ± 0.77 | 0.03* |
Mandibular right 1st molar | 1.77 ± 0.64 | 2.86 ± 1.75 | -1.08 ± 1.48 | 0.05 |
Mandibular right 2nd molar | 0.97 ± 0.95 | 1.34 ± 0.59 | -0.37 ± 0.61 | 0.40 |
Mandibular left 1st molar | 2.03 ± 1.72 | 2.42 ± 1.80 | -0.38 ± 0.65 | 0.14 |
Mandibular left 2nd molar | 0.79 ± 0.21 | 0.69 ± 0.98 | 0.1 ± 0.76 | 0.88 |
Lingual surface | ||||
Maxillary right 1st molar | 2.57 ± 0.95 | 2.61 ± 1.30 | -0.04 ± 0.63 | 0.83 |
Maxillary right 2nd molar | 2.28 ± 1.09 | 2.51 ± 1.27 | -0.23 ± 0.70 | 0.28 |
Maxillary left 1st molar | 2.30 ± 1.08 | 2.30 ± 1.36 | 0.00 ± 0.656 | 0.99 |
Maxillary left 2nd molar | 2.02 ± 1.32 | 2.17 ± 1.24 | -0.14 ± 0.80 | 0.45 |
Mandibular right 1st molar | 1.23 ± 1.33 | 1.53 ± 1.08 | -0.30 ± 0.43 | 0.07 |
Mandibular right 2nd molar | 0.28 ± 0.17 | 0.81 ± 0.52 | -0.53 ± 0.47 | 0.19 |
Mandibular left 1st molar | 1.16 ± 0.78 | 1.80 ± 1.26 | -0.64 ± 0.76 | 0.04* |
Mandibular left 2nd molar | 0.48 ± 0.24 | 0.82 ± 1.16 | -0.34 ± 0.91 | 0.69 |
Notes: *(p ≤ 0.05), **(p ≤ 0.001), ***(p ≤ 0.000) |