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Table 6 Comparison of differences between the tooth-borne and bone-anchored groups after subtracting changes due to growth (control group)

From: Comparison of two maxillary protraction protocols: tooth-borne versus bone-anchored protraction facemask treatment

Variables

Tooth-borne protraction facemask

Bone-anchored protraction facemask

  

Sagittal

Mean

SD

Mean

SD

p value

Sig

 OLp–A pt.

0.72

1.29

0.74

1.23

0.98

NS

 OLp–B pt.

−2.28

1.43

−2.31

2.15

0.93

NS

 OLp–Pg

−2.07

2.11

−1.21

3.05

0.32

NS

 Wits

2.19

2.74

2.31

2.40

0.89

NS

 OLp–Is

2.12

1.22

0.87

2.43

0.03

*

 OLp–Ii

−3.40

2.33

−2.48

2.26

0.23

NS

 Overjet

5.53

2.00

3.35

2.45

0.003

*

 OLp–Ms

1.35

1.53

1.19

1.78

0.67

NS

 OLp–Mi

−1.31

0.55

0.20

2.93

0.06

NS

 Molar relationship

2.53

1.55

1.18

1.99

0.02

*

Vertical (mm)

      

 OLparallel–A pt

1.15

2.00

−0.40

1.40

0.004

*

 Is–NL

−0.52

1.50

1.34

2.80

0.01

*

 Ii–ML

0.09

2.18

0.60

1.72

0.49

NS

 Overbite

−1.49

2.90

−0.45

2.23

0.21

NS

 Msc–NL

0.80

1.56

1.09

1.86

0.63

NS

 Mic–ML

0.66

1.36

0.89

1.38

0.62

NS

Angular (°)

      

 SNA

0.39

1.74

1.29

2.13

0.15

NS

 SNB

−2.19

1.51

−1.32

1.99

0.13

NS

 ANB

2.58

1.80

2.17

2.41

0.95

NS

 SNL–ML

2.76

1.39

−0.25

2.90

0.007

*

 SNL–OL

−1.73

3.90

−1.04

3.33

0.33

NS

 SNL–NL

0.72

2.72

−0.66

2.15

0.87

NS

 Is–SNL

−0.19

7.35

−4.42

5.67

0.04

*

 Ii–ML

−4.33

7.68

−2.23

3.84

0.09

NS

  1. NS not significantly different
  2. *Significantly different at p < 0.05