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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.