Table 2 Demographic information of including patients

Age, years

22.50 ± 4.70

22.90 ± 3.54

22.40 ± 4.93

Sex (male/female)

2/8

1/9

0/10

Angle classification (class I/class II)

6/4

6/4

5/5

Extraction plan (14, 24, 34, 44 / 14, 24, 35, 45)

8/2

9/1

7/3

Spacing (mm)

6.39 ± 0.64

6.43 ± 0.70

6.42 ± 0.80

Spacing closure duration (months)

9.67 ± 2.18

8.50 ± 2.03

11.61 ± 2.06

Overjet T0 (mm)

4.22 ± 0.55

4.05 ± 0.97

4.17 ± 0.73

SNA T0 (°)

80.57 ± 3.86

82.22 ± 2.98

82.54 ± 1.97

SNB T0 (°)

77.00 ± 4.01

79.35 ± 2.80

78.69 ± 1.93

ANB T0 (°)

3.56 ± 1.62

2.88 ± 0.99

3.90 ± 1.18

SN-MP T0 (°)

37.64 ± 5.93

36.39 ± 6.21

37.97 ± 5.19

U1-SN T0 (°)

110.55 ± 2.92

113.89 ± 4.52

111.23 ± 4.52