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Table 5 Changes occurring in each group during the study period (T2-T1)

From: Effectiveness of reverse twin block with lip pads-RME and face mask with RME in the early treatment of class III malocclusion

Parameter RME-RTB, (n = 13), X ± SD RME-FM (n = 13), X ± SD Control (n = 13), X ± SD p value RME-RTB vs RME-FM p value
Measurements for assessment of cranial base angulations
 < Ba-T-Vert T − 0.38 ± 2.02 0.15 ± 1.95 0.23 ± 1.23 0.637 0.723
< Ar-T-Vert T 0.15 ± 2.54 0.00 ± 1.68 − 0.08 ± 0.95 0.942 0.979
Antero-posterior skeletal measurements
 < SNA 2 ± 1.15 1.31 ± 1.05 0.81 ± 0.56 0.018* 0.174
 < SNB −1.08 ± 1.38 − 0.73 ± 1.45 1.38 ± 0.76 0.009** 0.757
 < ANB 3.08 ± 1.55 2.04 ± 1.08 − 0.58 ± 0.49 0.003** 0.064
 Wits (mm) 4.23 ± 2.03 2.38 ± 1.38 − 1.04 ± 0.72 0.007** 0.005**
 A-Vert T (mm) 3.04 ± 1.12 2.50 ± 1.41 1.73 ± 0.88 0.023* 0.477
 Ptm-Vert T (mm) 0.73 ± 1.01 0.54 ± 0.77 0.62 ± 0.76 0.845 0.839
 Co-A (mm) 4.35 ± 2.51 4.46 ± 0.87 1.77 ± 0.72 0.005** 0.982
 Pr-Vert T (mm) 2.54 ± 1.45 2.02 ± 1.70 1.54 ± 0.77 0.037* 0.756
 B-Vert T (mm) − 0.38 ± 3.2 0.23 ± 2.58 2.85 ± 1.51 0.003** 0.819
 Id-Vert T (mm) − 0.23 ± 3.8 0.77 ± 2.68 3.08 ± 1.44 0.15 0.643
 Co-Gn (mm) 4.38 ± 2.66 5.85 ± 2.44 3.62 ± 1.32 0.048* 0.226
 Co-Go (mm) 3 ± 2.19 3.92 ± 0.95 1.38 ± 1.04 0.005** 0.273
 Go-Gn (mm) 1.69 ± 2.21 3.38 ± 3.64 1.54 ± 1.05 0.138 0.212
 Co-Vert T (mm) 1.27 ± 1.56 1.31 ± 1.03 0.42 ± 0.53 0.093 0.996
Vertical skeletal measurements
 < ML-SBL 0.77 ± 2.94 0.77 ± 1.73 − 0.31 ± 1.54 0.356 0.967
 < NL-SBL − 0.54 ± 1.85 0.00 ± 2.27 − 0.46 ± 1.26 0.722 0.734
 < NL-ML 1.31 ± 2.72 0.77 ± 2.71 0.15 ± 2.07 0.518 0.852
 < Ar-Go-Me 0.62 ± 2.50 − 0.77 ± 1.36 1.54 ± 3.82 0.117 0.417
 ANS-Me (mm) 4.08 ± 2.32 3.46 ± 3.01 1.54 ± 1.05 0.028* 0.774
Dentoalveolar measurements
 < UI-SN 3.08 ± 7.45 5.46 ± 5.22 2.38 ± 1.71 0.31 0.494
 < IMPA 0.23 ± 5.27 − 0.62 ± 4.64 − 2.62 ± 1.50 0.21 0.865
Measurements for assessment of condyle inclination
 < CondAx-Vert  T 2.15 ± 4.41 − 1.62 ± 4.68 0.77 ± 2.86 0.077 0.069
 < CondAx-SBL − 2.15 ± 5.06 2.38 ± 4.51 0.15 ± 2.67 0.036* 0.023*
 < CondAx-ML 3.08 ± 4.23 − 1.23 ± 3.98 0.46 ± 3.20 0.023* 0.018*
 < Ar-Go-Vert T − 1.69 ± 3.09 − 1.77 ± 2.52 0.77 ± 2.08 0.029* 0.998
  1. *Significant
  2. **Highly significant