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Table 4 Comparison of skeletal and dental cephalometric parameters of patients with different skeletal types

From: Assessing the impact of occlusal plane rotation on facial aesthetics in orthodontic treatment: a machine learning approach

 

Class I

Class II

Class III

Inter-group Comparison

Hypo

Nor

Hyper

Hypo

Nor

Hyper

Hypo

Nor

Hyper

N-ANS

51.9 ± 3.2

52.4 ± 3.5

53 ± 3.3

53.1 ± 4.3

52.5 ± 3

53.1 ± 3.2

52.7 ± 2.9

52.8 ± 3.3

53.5 ± 3.5

N.S

S-N

63.1 ± 3.7

63.2 ± 4.2

63 ± 3.3

64.3 ± 4.1

63.2 ± 4.1

62.7 ± 3.8

64 ± 4.2

63.8 ± 4.1

63 ± 3.8

N.S

Ptm-A

45.5 ± 3.2

44.1 ± 3.5

43.6 ± 3.4b

47.6 ± 3.7

46 ± 3.4

45.1 ± 2.8b

44.8 ± 3.1

44.1 ± 3.9

42.4 ± 3.2b

Hypo:A,C

Nor: A,C

Hyper: A,C

SNA

82.3 ± 2.7

80.1 ± 2.3a

78.6 ± 3.2b,c

83.8 ± 2.3

82.2 ± 3.1a

80.9 ± 2.8b,c

81.6 ± 3.3

80 ± 3.1a

77.3 ± 2.9b,c

Hypo:A,C

Nor: A,C

Hyper: A,C

NA-FH

91.6 ± 3

90.8 ± 2.6

89.5 ± 2.4b,c

92.2 ± 2.9

92.2 ± 2.5

91.5 ± 3.3

90.1 ± 2.9

89.8 ± 2.9

87.9 ± 2.3b,c

Hypo:B,C

Nor: A,C

Hyper: A,C

PP-FH

0.1 ± 3

0.9 ± 2.6

1 ± 2.8

1 ± 2.5

0.6 ± 2.9

1 ± 3.2

0.9 ± 2.7

0.8 ± 3.5

1.5 ± 3

N.S

Go-Po

72.6 ± 5

71.7 ± 5

70.6 ± 4.5

70 ± 5.2

69.2 ± 4.6

67.9 ± 4.3

75.7 ± 4.6

74.2 ± 5.8

74.2 ± 4.5

Hypo:A,B,C

Nor: A,B,C

Hyper: A,B,C

Go-Co

59.9 ± 4.3

56.3 ± 4.3a

53.2 ± 4.3b,c

60.3 ± 5

55.7 ± 3.7a

52.3 ± 4.5b,c

60.9 ± 5

58.8 ± 4.9

54.6 ± 3.7b,c

Nor: B,C

S-Go

79.2 ± 5.8

74.2 ± 5a

70.4 ± 5.9b,c

79.8 ± 7

73.8 ± 4.3a

69.8 ± 5.6b,c

80.4 ± 6.3

77 ± 6.2a

71.9 ± 4.2b,c

Nor: B,C

SN-OP

13.7 ± 3.8

17.8 ± 3a

19.9 ± 3.1b,c

16.1 ± 3.2

18.4 ± 3.8a

21.9 ± 3.5b,c

11.2 ± 3.7

14.7 ± 4a

17.5 ± 4.2b,c

Hypo:A,B,C

Nor: B,C

Hyper: A,C

S-Go/N-Me

70.1 ± 3

64.4 ± 1a

60.4 ± 2.5b,c

69.3 ± 2.6

64.3 ± 1.5a

59.8 ± 2.7b,c

70.8 ± 3.3

65.8 ± 1.7a

60.9 ± 2b,c

N.S

FH-NPo

89.4 ± 2.7

88.2 ± 2.8a

86.7 ± 2.5b,c

86.8 ± 2.7

86.3 ± 2.7

84.5 ± 3.5b,c

92.2 ± 2.5

91.3 ± 3.2

89.5 ± 2.8b,c

Hypo:A,B,C

Nor: A,B,C

Hyper: A,B,C

FMA

18 ± 3.6

24 ± 3.4a

29 ± 3.8b,c

21.7 ± 3.5

25.8 ± 3.5a

32.1 ± 4.8b,c

17.5 ± 3.4

23 ± 3.1a

27.6 ± 3.4b,c

Hypo:A,C

Nor: A,C

Hyper: A,C

SN-MP

27.3 ± 3.7

34.7 ± 2.5a

40 ± 3.2b,c

30.1 ± 3.5

35.8 ± 3.1a

42.7 ± 4.3b,c

26 ± 3.4

32.8 ± 2.7a

38.2 ± 3.6b,c

Hypo:A,C

Nor: B,C

Hyper: A,C

SNB

79.1 ± 2.6

76.9 ± 2.3a

75.4 ± 3.3b,c

77.7 ± 2.3

76 ± 3.2a

74 ± 3b,c

82.6 ± 3.7

81 ± 3.6a

78.4 ± 3.5b,c

Hypo:B,C

Nor: B,C

Hyper: A,B,C

ANB

3.2 ± 0.9

3.2 ± 1.1

3.2 ± 1.1

6.1 ± 0.8

6.2 ± 1

6.9 ± 1.5

−1 ± 1.9

−0.9 ± 1.9

−1.1 ± 1.8

Hypo:A,B,C

Nor: A,B,C

Hyper:A,B,

  1. *Intra-group comparison: “a”: significant differences between Hypo- and Nor-group; “b”: significant differences between Hypo- and Hyper-group; “c”: significant differences between Nor- and Hyper-group
  2. *Inter-group comparison: “A”: significant differences between Class I and II group; “B”: significant differences between Class I and III group; “C”: significant differences between Class II and III group