Table 1 Skeletal, dental, and soft tissue changes from T1 to T2
From: A novel method for treatment of Class III malocclusion in growing patients
T1 | T2 | T2-T1 | |||||
|---|---|---|---|---|---|---|---|
Variables | Mean | SD | Mean | SD | Mean | SD | p value |
Anteroposterior changes | |||||||
SNA (°) | 78.37 | 2.49 | 80.24 | 2.92 | 1.87 | 1.06 | 0.000 |
Vert. T-A (mm) | 46.23 | 8.8 | 49.57 | 8.93 | 3.34 | 1.54 | 0.000 |
SNB (°) | 82.11 | 3.19 | 80.09 | 3.53 | − 2.02 | 0.85 | 0.000 |
Vert. T-B (mm) | 39.57 | 14.69 | 36.14 | 12.95 | − 3.43 | 4.47 | 0.013 |
ANB (°) | − 3.75 | 2.89 | 0.2 | 2.77 | 3.95 | 0.57 | 0.000 |
Wits appraisal (mm) | − 9.63 | 2.5 | − 4.47 | 2.67 | 5.16 | 1.51 | 0.000 |
Vertical changes | |||||||
Mid-facial height (N-ANS) (mm) | 52.27 | 2.99 | 54.95 | 2.35 | 2.68 | 1.53 | 0.447 |
Lower facial height (ANS-ME) (mm) | 69.44 | 4.76 | 72.63 | 5.34 | 3.19 | 2.21 | 0.000 |
Upper facial height ratio (N-ANS/N-ME) (%) | 44.3 | 1.88 | 43.13 | 1.91 | − 1.17 | 1.21 | 0.003 |
Lower facial height ratio (N-ME/ANS-ME) (%) | 55.67 | 1.99 | 56.87 | 1.91 | 1.2 | 1.24 | 0.003 |
Y-axis (°) | 67.38 | 3.6 | 69.33 | 4.08 | 1.95 | 1.11 | 0.000 |
Dentoalveolar changes | |||||||
Upper incisors inclination (UI-SN)(°) | 104.51 | 6.6 | 107.49 | 6.24 | 2.98 | 2.71 | 0.001 |
Lower incisors inclination (LI-MP)(°) | 84.82 | 4.97 | 81.61 | 3.64 | − 3.21 | 3.4 | 0.004 |
Inter-incisal angle (IIA) (°) | 135.29 | 7.17 | 133.88 | 5.94 | − 1.41 | 4.55 | 0.268 |
Overjet (OJ) (mm) | − 2.89 | 1.41 | 2.74 | 1.11 | 5.63 | 1.36 | 0.000 |
Overbite (OB) (mm) | 1.57 | 1.92 | 0.36 | 1.46 | − 1.21 | 1.89 | 0.033 |
Soft tissue profile changes | |||||||
Harmony (H) angle (n-me-ls)(°) | 6.36 | 4.47 | 9.12 | 3.97 | 2.76 | 1.8 | 0.0001 |