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Progress in Orthodontics

Table 10 VOSP and PostOp 3D cephalometric measurements: Norm values (NORM) [8, 9], Average (Avg), and Standard Deviation (S.D.)

From: Three-dimensional cephalometric outcome predictability of virtual orthodontic-surgical planning in surgery-first approach

3D Cephalometric measurements

Norm

VOSP Avg

VOSP S.D

PostOp Avg

PostOp S.D

WILCOXONP value

Sagittal skeletal

WITS (mm)

0 ± 2

− 3.24

3.33

− 4.14

2.58

0.033

A/McNamara (mm)

2 ± 2

5.05

2.64

4.1

2.6

0.053

B/ McNamara (mm)

0 ± 2

6.01

3.73

5.68

3.77

0.398

Pog/McNamara (mm)

4

8.05

4.82

7.98

5.94

0.794

Facial Axis Angle (°)

90 ± 3

89.23

4.05

90.35

3.56

0.091

Tweed Mandibular angle (°)

26 ± 4

21.61

4.36

23.6

3.83

0.227

PFH/AFH

0.65–0.75

0.67

0.04

0.64

0.04

0.01

Mean Maxillary length (mm)

n.a

98.97

6.58

98.49

5.79

0.136

△ Maxillary length (mm)

0

1.64

1.26

1.64

1.45

0.984

Mean Mandibular length (mm)

n.a

130.29

11.14

130.71

10.88

0.52

△ Mandibular length (mm)

0

2.52

2.03

1.91

1.71

0.277

Mean Md Body length (mm)

n.a

77.83

8.28

78.62

6.15

0.904

△ Md Body length (mm)

0

2.04

1.95

2.27

1.83

0.845

Mean Gonial angle (°)

n.a

59.03

5.91

57.08

5.86

0.098

△ Gonial angle (°)

0

2.14

1.45

1.93

1.30

0.748

Frontal skeletal

ANS–SagPL (mm)

0

1.2

1.57

1.01

0.92

0.687

A–SagPL (mm)

0

1.41

1.95

0.98

0.72

0.687

B–SagPL (mm)

0

1.94

3.16

1.38

0.94

0.381

Pog–SagPL (mm)

0

2.64

3.96

1.71

1.25

0.952

△ Go-SagPL (mm)

0

3.91

4.66

2.63

2.02

0.334

△ J-SagPL (mm)

0

2.67

3.21

2.22

1.45

0.872

△ Zy-SagPL (mm)

0

1.52

1.39

1.01

1

0.327

Vertical skeletal

Facial ratio

n.a

0.96

0.07

0.97

0.06

0.063

Mandibular ratio

n.a

1.3

0.14

1.3

0.13

0.647

Mean Md Ramus length (mm)

n.a

62.8

7.5

61.21

7.86

0.099

△ Md Ramus length (mm)

0

2.11

1.87

1.81

1.41

0.573

Sagittal dento-alveolar

Incisal protrusion (mm)

4–6

5.68

2.56

6.53

2.63

0.084

UIs/Occlusal plane angle (°)

54 ± 2

59.65

4.94

53.85

4.77

0

IMPA (°)

90 ± 5

91.32

6.93

92.12

6.17

0.243

Overbite (mm)

2.5 ± 2

1.67

0.88

1.89

0.88

0.243

Overjet (mm)

2.5 ± 2

1.93

0.84

3.11

0.8

0.001

Occlusal plane inclination (°)

6 ± 5

5.31

2.77

6.05

3.27

0.777

LIs/B plane angle (°)

25 ± 4

19.28

5.21

19.59

7.04

0.601

Frontal dento-alveolar

UIs-SagPL (mm)

0

1.76

2.39

1.52

1.04

0.355

Lis-SagPL (mm)

0

1.7

2.44

1.77

1.35

0.133

U3-SagPL Mean (mm)

n.a

17.45

1.37

17.58

1.12

0.856

△ U3-SagPL (mm)

0

3.08

3.39

3.04

2.73

0.546

U6-SagPL Mean (mm)

n.a

26.64

1.43

26.74

1.97

0.936

△ U6-SagPL (mm)

0

2.77

2.95

2.54

2.19

0.904

Vertical Dentoalveolar Analysis

△ U3-FH (mm)

0

0.88

1.27

0.93

0.66

0.067

△ U6-FH (mm)

0

1.37

1.85

0.76

0.55

0.199

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