Table 3 Data about chronological age (CA) and dental age (DA) among the studies that evaluated sagittal discrepancies in relation to sex

Celikoglu et al., 2011 [13]

Demirjian

Class I

(ANB=0-4º)

Male

77

12.59

NR

13.17

NR

0.58

NR

• In both sexes, patients with Class III skeletal malocclusion presented the most advanced DA.

• DA was overestimated in this sample in relation to the CA.

Female

85

13.01

NR

13.64

NR

0.63

NR

Class II

(ANB > 5º)

Male

95

12.75

NR

13.85

NR

1.1

NR

Female

91

12.39

NR

13.47

NR

1.08

NR

Class III

(ANB <0)

Male

84

12.45

NR

13.6

NR

1.15

NR

Female

93

11.39

NR

12.77

NR

1.38

NR

Esenlik, Atak and Altun, 2014 [31]

Demirjian

Class I (ANB=NR)

Male

49

11.71

1.65

12.05

1.71

0.34

0.75

• In the male group, Class III patients presented the most advanced DA in relation to the other skeletal malocclusion.

• In the female group, Class II patients presented the most advanced DA in relation to the other skeletal malocclusion.

• DA was overestimated in this sample in relation to the CA.

Female

58

11.57

1.85

12.18

1.94

0.61

1.28

Class II Class I (ANB=NR)

Male

75

12.29

1.41

12.49

1.31

0.2

0.79

Female

77

11.61

1.42

12.66

1.65

1.05

0.85

Class III Class I (ANB=NR)

Male

32

10.98

1.44

11.35

1.6

0.37

1

Female

30

10.44

1.81

11.24

1.91

0.8

1.03

Lauc et al., 2017 [6]

Willems

Class I

(ANB=0-4º)

Male

136

11.71

1.94

12.11

2.54

0.4

1.13

• DA was overestimated in this sample in relation to the CA.

• In the male group, Class III patients presented the most advanced DA in relation to the other skeletal malocclusion.

• In the female group, no significant difference in DA was observed among the skeletal malocclusions.

Female

148

12

2.01

12.52

2.5

0.53

1.12

Class II

(ANB > 5º)

Male

100

11.67

2

12.11

2.54

0.44

1.03

Female

118

11.96

1.86

12.38

2.53

0.43

1.17

Class III

(ANB ≤0)

Male

132

11.96

2.17

12.79

2.65

0.83

0.97

Female

142

12.19

1.96

12.68

2.57

0.49

1.07

Lauc et al., 2017 [38]

Cameriere

Class I

(ANB=0-4º)

Male

136

11.71

1.94

11.44

2.04

-0.26

0.72

• DA was underestimated in this sample in relation to the CA.

• In the male Class III group, the underestimation of the DA was less prominent as compared to the other malocclusion groups.

• In the female group, no significant difference in DA was observed among the skeletal malocclusions.

Female

148

12

2.01

11.86

1.7

-0.14

0.91

Class II

(ANB > 5º)

Male

100

11.67

2

11.44

1.9

-0.23

0.76

Female

118

11.96

1.86

11.75

1.72

-0.20

0.73

Class III

(ANB ≤0)

Male

132

11.96

2.17

11.93

1.99

-0.02

0.73

Female

142

12.19

1.96

11.94

1.74

-0.24

0.73

Mahmood and Fida, 2018 [36]

Demirjian

Class I

(Angle)

Male

NR

NR

NR

13.53

2.3

NR

NR

• In the male group, Class I and Class III patients presented a significantly higher DA than Class II patients.

• In the female group, no difference was found.

Female

NR

NR

NR

13.41

2.22

NR

NR

Class II

(Angle)

Male

NR

NR

NR

12.57

2.03

NR

NR

Female

NR

NR

NR

13.34

2.15

NR

NR

Class III

(Angle)

Male

NR

NR

NR

13.64

2.07

NR

NR

Female

NR

NR

NR

13.59

2

NR

NR