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Progress in Orthodontics

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.
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