Table 2 Changes in the craniomaxillo facial structure, sagittal size of the airway, and hyoid position before and after treatment

SNA (°)

80.34 ± 2.51

80.15 ± 2.81

0.521

0.612

SNB (°)

74.75 ± 4.43

75.18 ± 3.41

−0.695

0.504

ANB (°)

4.40/6.02/10.35

4.00/4.56/5.59

−2.612

0.009**

MP-SN (°)

42.85 ± 4.38

41.21 ± 4.21

6.994

0.000**

Y-axis (°)

65.56 ± 3.90

55.20 ± 2.21

−0.643

0.543

ANS-Me/N-Me (%)

55.38 ± 1.97

29.50 ± 4.03

1.054

0.312

S-Go/N-Me(%)

60.84 ± 2.33

61.72 ± 2.46

−5.100

0.000**

XiPm-SN (°)

50.00/53.00/55.00

47.00/50.00/52.00

−2.896

0.004**

U₁-SN (°)

105.62 ± 9.38

100.37 ± 6.02

3.052

0.009**

L₁-MP (°)

93.98 ± 6.49

93.13 ± 6.63

0.584

0.565

Overjet (mm)

5.36 ± 2.26

3.50 ± 0.67

3.222

0.006**

Overbite (mm)

0.77/1.52/2.90

1.05/1.63/1.90

−0.463

0.653

PNS-R (mm)

16.6/23.80/27.60

21.10/26.10/28.50

−0.431

0.665

PNS-UPW (mm)

17.40/20.00/22.90

19.60/20.60/23.20

−0.824

0.410

SPP-SPPW (mm)

7.30/9.30/10.90

7.70/9.70/12.40

−1.531

0.133

U-MPW (mm)

4.20/5.10/7.70

5.30/6.90/9.10

−2.392

0.017*

PAS (mm)

6.90/10.50/15.50

8.60/13.50/15.10

−2.292

0.022*

V-LPW (mm)

10.30/11.60/13.60

10.00/11.40/15.10

−0.234

0.821

H-MP (mm)

7.10/10.20/14.60

8.10/10.40/14.70

−0.062

0.963

H-FH (mm)

66.92 ± 10.63

65.47 ± 10.09

1.216

0.242

H-PNS (mm)

44.30/48.80/51.30

44.10/47.00/50.60

−0.573

0.574

H-C3la (mm)

22.10/24.20/26.80

21.90/25.10/27.90

−0.252

0.801

H-NPog (mm)

30.00/34.10/40.00

31.40/36.30/39.40

−0.060

0.957