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 | 1.95 ± 0.86 | 1.54 ± 0.80 | 0.41 ± 0.53 | 0.12 |
Maxillary right 2nd molar | 2.60 ± 0.94 | 3.14 ± 1.25 | -0.54 ± 0.70 | 0.22 |
Maxillary left 1st molar | 1.44 ± 0.16 | 2.27 ± 0.66 | -0.83 ± 0.79 | 0.21 |
Mandibular right 1st molar | 2.68 ± 1.86 | 3.73 ± 2.03 | -1.05 ± 0.97 | 0.01* |
Mandibular right 2nd molar | 1.91 ± 0.88 | 1.92 ± 1.28 | -0.01 ± 0.87 | 0.95 |
Mandibular left 1st molar | 1.43 ± 0.74 | 2.20 ± 1.27 | -0.76 ± 1.12 | 0.04* |
Mandibular left 2nd molar | 1.64 ± 0.77 | 1.72 ± 0.46 | -0.09 ± 1.29 | 0.78 |
Lingual surface | ||||
Maxillary right 1st molar | 2.54 ± 1.08 | 2.68 ± 1.42 | -0.14 ± 1.45 | 0.82 |
Maxillary right 2nd molar | 3.21 ± 0.67 | 3.99 ± 1.53 | -0.78 ± 1.48 | 0.37 |
Maxillary left 1st molar | 1.44 ± 0.85 | 2.96 ± 2.12 | -1.53 ± 1.30 | 0.17 |
Mandibular right 1st molar | 1.17 ± 0.66 | 1.18 ± 0.78 | -0.01 ± 0.42 | 0.94 |
Mandibular right 2nd molar | 0.98 ± 0.79 | 0.95 ± 0.73 | 0.03 ± 0.44 | 0.80 |
Mandibular left 1st molar | 1.13 ± 0.99 | 1.00 ± 0.95 | 0.12 ± 0.62 | 0.52 |
Mandibular left 2nd molar | 1.06 ± 0.89 | 1.16 ± 1.17 | -0.09 ± 0.64 | 0.53 |