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Table 2 Means and standard deviations of cephalometric changes after distalization (T0-T1)

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 variation (mm)      
 UL-E plane 0.7 0.9 0.5 1.4 0.347
 LL-E plane 0.5 1.3 0.6 1.5 0.479
Vertical skeletal changes (degrees)      
 SN^PP 0.5 1.1 0.0 2.3 0.275
 SN^OL 1.6 1.5 −0.5 2.3 0.000***
 FMA 1.2 0.9 0.5 1.5 0.009**
 Go-Me^PP 0.5 1.6 0.8 2.1 0.321
 ANS-Xi-Pm 1.0 1.4 0.5 1.9 0.524
Ba-Na^Pt-Gn −0.8 1.0 0.3 2.0 0.006**
Vertical skeletal changes (mm)      
 ANS-Me 2.0 1.5 2.0 1.5 0.241
Sagittal skeletal changes (degrees)      
 SNA 0.7 0.9 0.0 1.7 0.233
 SNB −0.7 0.9 0.4 2.1 0.009**
 ANB 0.5 1.1 −0.5 1.2 0.008**
 FH^NPg −0.2 1.6 0.5 1.9 0.177
Sagittal skeletal changes (mm)      
 PTV-A 1.0 1.5 0.1 2.1 0.003**
 A-OLp 0.8 1.4 0.7 2.1 0.524
 PTV-B −0.1 2.0 0.8 2.7 0.294
 B-OLp 0.2 2.0 1.6 2.1 0.004**
 Pg-OLp 0.4 2.2 2.1 2.3 0.005**
 Co-OLp 0.5 1.4 0.2 1.9 0.375
 Pg-OLp + Co-OLp 0.9 2.2 2.5 2.9 0.008**
Angular dental changes (degrees)      
 SN^1.1 axis 1.4 2.5 4.7 3.9 0.000***
 PP^1.1 axis 1.2 3.0 4.9 4.5 0.000***
 SN^1.4 axis 2.5 4.3 1.9 6.6 0.479
 SN^1.6 axis −10.5 6.2 −10.3 8.4 0.323
 PP^1.6 axis −9.0 7.7 −9.8 9.7 0.347
 SN^1.7 axis −10.1 9.7 −9.0 11.1 0.294
 PP^1.7 axis 10.2 7.8 10.4 10.1 0.247
 SN^1.8 axis −8.2 9.6 −9.6 10.9 0.321
Sagittal dental changes (mm)      
 OLp-is 1.6 2.0 2.9 2.0 0.043*
 PTV-11 CEJ 1.0 1.8 1.5 2.8 0.523
 OLp-ii 0.2 3.1 1.8 2.2 0.421
 Difference OLp-is - OLp-Ii 1.1 2.4 1.0 2.0 0.213
 PTV-1.4 centroid 1.8 2.0 2.7 3.3 0.242
 OLp-ms −4.9 3.1 −2.5 2.1 0.000***
 PTV-1.6 CEJ −4.1 2.8 −2.1 1.8 0.000***
 PTV-1.6 centroid −4.7 2.9 −2.7 3.7 0.000***
 PTV-1.7 CEJ −4.0 2.4 −2.9 2.9 0.248
 PTV-1.7 centroid −4.7 2.2 −3.7 2.8 0.367
 PTV-1.8 centroid −1.4 1.6 −0.2 2.0 0.002**
 OLp-mi 1.0 2.0 2.3 3.1 0.002**
 PTV-4.6 CEJ 0.8 1.9 1.3 2.6 0.478
 OLp-ms - OLp-mi −5.9 3.4 −4.9 2.5 0.004**
Vertical dental variations (mm)      
 PP-is 0.5 1.1 0.5 1.4 0.194
 PP-1.4 centroid 1.1 1.9 1.4 1.7 0.172
 PP-1.6 centroid 1.3 0.9 0.1 1.6 0.359
 PP-1.7 centroid −0.9 2.1 0.1 2.4 0.043*
 PP-1.8 centroid −1.1 3.0 −2.1 5.9 0.466
 PM-4.6 centroid 1.2 0.9 0.9 1.0 0.132
  1. * Implies significance at p< 0.05, ** Implies significance at p< 0.01, *** Implies significance at p< 0.01.