Skip to main content

Table 5 Sagittal, vertical, and angular measurements for the bone-anchored protraction facemask group

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

Variables (mm)

T1

T2

T2 – T1

Sagittal

Min

Max

Mean

SD

Min

Max

Mean

SD

Diff

 OLp–A pt.

60.0

76.9

66.74

3.93

61.9

78.7

68.28

4.32

1.54

 OLp–B pt.

63.5

80.0

71.86

5.13

62.8

80.6

70.57

5.41

−1.29

 OLp–Pg

66.7

84.0

73.95

4.70

65.8

84.1

73.82

5.11

−0.13

 Wits

−9.6

0.2

−5.12

2.58

−6.9

6.9

−2.54

3.22

2.58

 OLp–Is

60.1

79.3

70.28

4.67

60.3

84.4

72.47

5.57

2.19

 OLp–Ii

61.9

79.0

71.14

4.67

55.4

80.9

69.88

5.52

−1.26

 Overjet

−4.8

2.9

−0.86

2.31

−1.6

5.9

2.6

1.76

3.46

 OLp–Ms

40.2

50.7

44.45

3.18

41.1

58.0

46.89

4.27

2.44

 OLp–Mi

41.3

55.2

47.52

4.20

42.2

59.1

48.94

4.65

1.42

 Molar relationship

−0.6

−7.0

−3.34

1.65

−4.9

0.4

−2.05

1.62

1.29

Vertical (mm)

         

 OLparallel–A pt.

16.4

38.9

30.14

5.43

16.5

41.3

31.62

6.07

1.48

 Is–NL

14.4

27.7

22.41

3.69

19.9

29.0

24.58

2.61

2.17

 Ii–ML

27.9

39.9

34.82

3.45

29.7

41.2

36.08

3.11

1.26

 Overbite

−1.1

5.9

1.56

2.18

−1.8

4.4

1.42

1.48

−0.14

 Msc–NL

9.1

21.9

17.02

3.00

11.8

22.9

18.58

2.73

1.56

 Mic–ML

23.3

30.5

26.51

2.06

23.9

32.9

27.7

2.13

1.19

Angular (°)

         

 SNA

71.9

92.1

80.29

4.74

73.0

91.2

81.88

4.49

1.59

 SNB

74.8

90.2

81.2

4.17

71.9

88.8

80.4

4.25

−0.8

 ANB

−5.5

3.3

−0.92

2.78

−3.8

6.9

1.48

2.76

2.4

 SNL–ML

22.2

44.9

32.62

6.07

21.1

49.5

32.86

7.13

0.24

 SNL–OLs

9.0

29.4

18.14

5.89

7.2

32.0

17.31

6.09

−0.83

 SNL–NL

2.6

12.9

6.44

3.07

1.1

14.0

6.52

3.68

0.08

 Is–SNL

87.2

121.8

103.19

8.23

86.8

114.2

101.16

8.12

−2.03

 Ii–ML

78.1

91.9

84.75

3.48

77.8

95.6

83.08

4.54

−1.67