Table 2 Comparison of cephalometric variables between pretreatment and posttreatment stages for the non-extraction group (dependent t tests)
From: Posterior teeth angulation in non-extraction and extraction treatment of anterior open-bite patients
Variables (°) | Initial T1 | Final T2 | P | ||
|---|---|---|---|---|---|
Mean | SD | Mean | SD | ||
Maxillary teeth mesio-distal angulations | |||||
Mx4.BOP(n = 30) | 79.26 | 6.15 | 79.74 | 5.71 | 0.679 |
Mx5.BOP(n = 30) | 85.64 | 5.79 | 86.76 | 5.92 | 0.341 |
Mx6.BOP(n = 30) | 91.71 | 6.88 | 89.06 | 4.99 | 0.103 |
Mx7.BOP(n = 27) | 101.52 | 8.10 | 97.53 | 6.51 | 0.018* |
Mx4PP (n = 29) | 90.78 | 6.22 | 89.38 | 7.19 | 0.215 |
Mx5PP (n = 29) | 84.40 | 6.22 | 82.37 | 8.59 | 0.092 |
Mx6PP (n = 30) | 78.33 | 7.43 | 80.07 | 5.42 | 0.268 |
Mx7PP (n = 27) | 68.77 | 8.70 | 71.91 | 8.37 | 0.070 |
Mandibular teeth mesio-distal angulations | |||||
Md4.BOP(n = 30) | 77.19 | 5.51 | 81.30 | 4.74 | 0.000* |
Md5.BOP(n = 30) | 77.26 | 5.12 | 83.16 | 5.04 | 0.000* |
Md6.BOP(n = 30) | 75.26 | 5.63 | 83.80 | 5.78 | 0.000* |
Md7.BOP(n = 27) | 69.52 | 5.70 | 77.68 | 7.87 | 0.000* |
Md4MP (n = 30) | 79.06 | 5.52 | 75.48 | 5.22 | 0.000* |
Md5MP (n = 30) | 78.98 | 5.03 | 73.61 | 4.94 | 0.000* |
Md6MP (n = 30) | 80.98 | 7.06 | 72.96 | 5.69 | 0.000* |
Md7MP (n = 27) | 86.72 | 7.23 | 79.16 | 6.46 | 0.000* |
Interdental angulations | |||||
Mx4.Md4 (n = 29) | 156.46 | 8.88 | 161.05 | 6.42 | 0.003* |
Mx5.Md5 (n = 29) | 162.90 | 7.83 | 169.21 | 6.74 | 0.000* |
Mx6.Md6 (n = 30) | 166.85 | 8.07 | 171.29 | 5.45 | 0.023* |
Mx7.Md7 (n = 27) | 171.79 | 9.03 | 175.49 | 9.59 | 0.060 |