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Table 3 Means and standard deviations of cephalometric changes after fixed appliance (T1-T2)

From: Skeletal versus conventional intraoral anchorage for the treatment of class II malocclusion: dentoalveolar and skeletal effects

  MGBM Pendulum pValue
Mean SD Mean SD  
Esthetical variations (mm)  
UL-E plane −2.9 1.1 −2.8 1.8 0.532
LL-E plane −2.4 2.1 −2.0 1.6 0.736
Vertical skeletal variations (°)  
SN^PP 0.9 1.2 0.5 2.2 0.263
SN^OL −1.2 2.7 −0.1 2.8 0.000***
FMA −2.2 1.9 −0.3 1.8 0.003**
Go-Me^PP 0.0 2.1 −0.5 2.3 0.621
ANS-Xi-Pm −1.8 1.7 0.0 1.3 0.534
Ba-Na^Pt-Gn 2.4 2.1 −0.1 2.5 0.005**
Vertical skeletal variations (mm)  
ANS-Me 0.5 3.0 1.7 2.8 0.572
Sagittal skeletal variations (°)  
SNA −1.0 1.0 −0.9 2.2 0.826
SNB 0.0 1.1 −0.5 1.7 0.265
ANB −1.0 1.6 −0.3 1.4 0.165
FH^NPg 3.3 2.2 0.4 2.1 0.006**
Sagittal skeletal variations (mm)  
PTV-A 2.2 2.6 0.4 2.2 0.002**
A-OLp −0.2 1.5 0.2 2.4 0.243
PTV-B 3.8 3.1 1.0 2.6 0.000***
B-OLp 0.5 2.3 1.0 2.5 0.132
Pg-OLp 1.5 3.4 1.9 3.4 0.534
Co-OLp 0.7 1.9 1.0 1.9 0.652
Pg-OLp + Co-OLp (mandibular length) 1.9 3.2 3.1 3.4 0.735
Dental angular variations (°)  
SN^1.1 axis (central superior incisor) −2.6 5.9 −5.0 7.8 0.002**
PP^1.1 axis(central superior incisor) −2.9 5.8 −3.9 9.7 0.023*
SN^1.4 axis (first superior premolar) 0.6 5.0 −6.3 5.8 0.003**
SN^1.6 axis (first superior molar) 12.2 8.3 9.1 9.1 0.365
PP^1.6 axis (first superior molar) 12.1 7.9 12.1 7.6 0.765
SN^1.7 axis (second superior molar) 14.9 9.6 11.6 13.3 0.635
PP^1.7 axis (second superior molar) 15.6 9.3 16.8 9.8 0.271
SN^1.8 axis (third superior molar) 5.4 9.6 8.2 17.9 0.127
Dental sagittal variations (mm)  
OLp-is −1.6 2.1 −1.4 3.6 0.142
PTV-11 CEJ 3.7 3.4 0.2 3.1 0.004**
OLp-ii −1.6 2.1 2.4 3.4 0.002**
Difference OLp-is - OLp-Ii (overjet) −3.1 2.1 −3.8 2.7 0.345
PTV-1.4 centroid 0.1 2.9 −1.4 3.2 0.763
OLp-ms 4.0 1.2 4.0 2.8 0.654
PTV-1.6 CEJ 5.1 2.1 3.4 3.8 0.354
PTV-1.6 centroid 5.0 4.9 4.5 4.1 0.874
PTV-1.7 CEJ 4.3 2.3 2.5 3.8 0.263
PTV-1.7 centroid 5.7 3.2 4.5 4.3 0.162
PTV-1.8 centroid 3.0 2.3 0.4 1.8 0.635
OLp-mi 1.2 1.9 3.2 3.9 0.324
PTV-4.6 CEJ 4.3 3.0 3.9 2.5 0.532
OLp-ms - OLp-mi (molar relationship) 2.2 4.3 1.4 1.9 0.625
Vertical dental variations (mm)  
PP-is −1.1 1.3 0.8 2.3 0.004**
PP-1.4 centroid −0.2 2.0 −0.3 2.4 0.253
PP-1.6 centroid 0.5 2.2 2.2 2.7 0.02*
PP-1.7 centroid 4.6 4.7 4.0 3.4 0.127
PP-1.8 centroid 4.6 0.6 5.7 6.4 0.138
PM-4.6 centroid 2.5 2.9 2.0 1.8 0.142
  1. * Implies significance at p< 0.05, ** Implies significance at p< 0.01, *** Implies significance at p< 0.01.