Table 3 Symmetry test of bilateral TMJ measurement items in BN group

MD

19.02 ± 2.61

18.80 ± 2.69

-0.729

NS

AD

7.31 ± 1.33

7.49 ± 1.35

-0.885

NS

IS

2.86 ± 0.61

2.99 ± 0.68

-0.950

NS

MS

2.70 ± 0.80

2.70 ± 0.71

1.778

NS

ES

2.27 ± 0.62

2.21 ± 0.59

0.456

NS

AS

2.01 ± 0.75

2.0 ± 0.60

0.397

NS

SS

3.51 ± 0.78

3.46 ± 0.90

0.467

NS

RS

2.20 ± 0.78

2.0 ± 0.72

0.888

NS

FS

27.19 ± 1.91

28.04 ± 2.34

-2.132

NS

FD

9.70 ± 4.27

9.70 ± 1.52

1.440

NS

NA

16.37 ± 7.78

16.94 ± 7.31

-0.736

NS

ASL

4.56 ± 0.95

4.80 ± 1.16

-1.147

NS

PSL

6.47 ± 1.58

7.27 ± 1.59

-3.131

NS

APA

94.76 ± 8.69

92.97 ± 10.03

1.201

NS