Table 3 Intra- and inter-group difference in the linear measurements

Condyle width

19.6 ± 3.0

18.3 ± 3.6

1.3 ± 2.2^**

17.9 ± 2.7

16.8 ± 3.4

1.1 ± 1.9^**

1.7^*

2.8^**

 − 0.4

1.5

Condyle height

22.1 ± 4.3

18.7 ± 4.3

3.4 ± 2.8^**

17.0 ± 2.9

14.8 ± 2.6

2.1 ± 3.1^**

5.1^**

7.3^**

1.7

3.9^**

Ramus-proper height

39.6 ± 5.2

38.8 ± 5.2

0.7 ± 3.2

40.4 ± 5.6

38.3 ± 6.1

2.1 ± 3.4^**

 − 0.8

1.3

 − 1.5

0.5

Ramus length

62.4 ± 5.9

57.9 ± 6.2

4.5 ± 4.2^**

58.0 ± 6.1

53.7 ± 6.8

4.3 ± 5.1^**

4.4^**

8.7^**

 − 0.1

4.2^**

Body length

90.0 ± 5.8

87.1 ± 5.1

2.8 ± 3.0^**

84.1 ± 6.1

81.4 ± 6.2

2.7 ± 2.9^**

5.9^**

8.6^**

3.1^*

5.9^**

Con_AP

74.7 ± 3.7

74.8 ± 5.1

 − 0.1 ± 3.2

78.8 ± 6.1

80.2 ± 5.9

 − 1.3 ± 3.8^*

 − 4.2^**

 − 5.5^**

 − 4.0^**

 − 4.8^**

Con_vert

74.8 ± 3.7

74.9 ± 5.0

 − 0.2 ± 3.0

78.8 ± 6.0

79.7 ± 6.1

 − 0.8 ± 4.4

 − 4.1^**

 − 5.0^**

 − 3.8^**

 − 5.0^**

Con_transv

50.2 ± 3.9

50.6 ± 3.6

 − 0.4 ± 2.4

48.1 ± 2.9

46.8 ± 4.1

1.2 ± 4.1

2,2^*

3.4^**

2.5^**

3.8^**

Go_AP

69/9 ± 6.2

72.8 ± 6.6

 − 2.9 ± 3.0^**

79.6 ± 7.7

81.9 ± 7.1

 − 2.3 ± 3.2^**

 − 9.7^**

 − 12.0^**

 − 6.8^**

 − 9.0^**

Go_vert

86.8 ± 8.0

83.5 ± 8.3

3.4 ± 3.7^**

81.1 ± 7.6

77.9 ± 8.0

3.3 ± 3.7^**

5.9^**

9.2^**

2.5

5.8^**

Go_transv

44.9 ± 4.4

50.4 ± 4.0

 − 5.5 ± 4.4^**

43.1 ± 4.0

45.8 ± 3.2

 − 2.8 ± 3.8^**

1.9

 − 0.8

7.4^**

4.7^**