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Table 2 Cephalometric measurements for T0, T1, and T2: mean ± standard deviation (SD), minimum/maximum and median

From: One versus two anterior miniscrews for correcting upper incisor overbite and angulation: a retrospective comparative study

M Measurements

Group

T0

T1

T2

Mean ± SD

Min/max

Median

Mean ± SD

Min/max

Median

Mean ± SD

Min/max

Median

U1L (mm)

Overall

21.57 ± 2.07

17.76/25.60

21.30

19.42 ± 2.05

14.92/23.00

18.92

19.40 ± 2.04

14.99/23.00

18.89

1

21.61 ± 1.69

19.18/25.09

21.64

19.41 ± 2.00

14.92/22.98

18.90

19.39 ± 2.01

14.97/22.90

18.87

2

21.54 ± 2.34

17.76/25.60

21.09

19.43 ± 2.04

14.93/23.00

19.02

19.40 ± 1.99

14.97/22.93

18.84

OB (mm)

Overall

5.59 ± 2.21

1.80/12.10

5.10

2.36 ± 1.68

− 0.55/6.53

2.25

2.45 ± 1.62

− 0.25/6.93

2.45

1

5.17 ± 2.47

1.80/12.10

4.65

2.42 ± 1.93

− 0.55/6.53

2.25

2.50 ± 1.62

− 0.25/6.93

2.45

2

6.20 ± 1.50

3.70/7.90

6.86

2.40 ± 1.68

− 0.55/6.53

2.25

2.48 ± 1.62

− 0.25/6.93

2.45

MP (°)

Overall

33.87 ± 6.15

19.68/45.28

35.08

33.9 ± 6.94

17.68/46.28

35.67

34.06 ± 6.75

16.68/46.28

35.32

1

30.33 ± 5.32

21.16/38.04

32.42

30.03 ± 6.13

19.16/36.00

31.55

30.45 ± 5.45

20.16/37.00

31.02

2

35.16 ± 6.50

19.68/45.28

36.30

35.77 ± 7.03

17.68/46.28

37.46

35.75 ± 7.11

16.68/46.28

37.30

CR-SN (mm)

Overall

71.50 ± 5.18

63.45/82.62

71.06

67.66 ± 4.58

57.96/78.35

67.91

67.72 ± 4.66

58.00/78.37

67.86

1

77.47 ± 4.29

71.82/82.62

78.36

71.78 ± 3.99

67.23/78.35

70.64

71.92 ± 4.09

67.22/78.37

70.59

2

74.60 ± 3.49

63.45/75.59

69.45

66.41 ± 3.73

57.96/73.83

66.62

66.44 ± 3.76

58.00/74.00

66.69

IE-SN (mm)

Overall

81.34 ± 4.93

73.46/93.03

80.93

77.36 ± 4.51

69.55/88.70

77.48

77.53 ± 4.39

69.74/88.70

77.61

1

86.89 ± 3.81

81.85/93.03

86.91

81.31 ± 4.06

77.51/88.70

79.76

81.38 ± 4.26

77.05/88.70

79.67

2

84.51 ± 3.65

73.46/86.89

79.76

76.13 ± 3.72

69.55/84.44

76.17

76.22 ± 3.62

69.74/84.16

75.97

U1-PP (°)

Overall

95.23 ± 9.25

78.20/115.00

97.00

106.82 ± 5.81

95.16/116.44

107.66

106.36 ± 6.18

94.36/119.44

107.06

1

95.14 ± 12.28

78.20/115.0

100.4

109.44 ± 4.81

99.00/116.00

109.94

108.81 ± 4.91

98.00/115.00

109.50

2

94.50 ± 6.98

79.00/104.12

96.24

106.08 ± 6.17

95.16/116.44

106.52

105.78 ± 6.75

94.36/119.44

105.52

IMPA (°)

Overall

88.99 ± 7.88

75.16/103.92

88.96

97.69 ± 9.31

79.16/115.00

98.27

97.25 ± 9.16

79.88/115.00

99.00

1

89.42 ± 9.69

77.00/103.92

89.14

98.05 ± 10.49

80.20/112.92

98.94

97.07 ± 10.03

81.20/111.92

97.94

2

89.75 ± 7.09

75.16/101.00

90.73

98.04 ± 9.39

79.16/115.00

99.27

98.02 ± 9.16

79.88/115.00

99.86

U1-L1 (°)

Overall

145.62 ± 14.01

122.04/174.80

143.60

126.32 ± 8.45

103.52/145.60

127.63

126.35 ± 8.10

104.52/143.60

127.68

1

142.09 ± 9.77

131.30/169.00

143.04

125.77 ± 7.97

103.52/136.00

126.10

125.95 ± 9.28

115.08/143.60

123.70

2

144.61 ± 9.77

130.10/165.20

144.05

126.87 ± 7.77

104.22/135.01

127.09

125.68 ± 7.85

104.52/134.72

127.02

  1. U1L upper incisor length, OB overbite, MP mandibular plane, CR-SN upper incisor position 1, IE-SN upper incisor position 2, U1-PP upper incisor inclination, IMPA lower incisor inclination, U1-L1 interincisal angle