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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
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