Table 2 Data about chronological age (CA) and dental age (DA) among the studies that evaluated sagittal discrepancies

Amaral et al., 2019 [14]

Demirjian

Class I (Angle)

77

11.50

0.86

10.87

0.86

NR

NR

• Patients with Angle Class II, division two malocclusion presented lower DA than patients with Angle Class I malocclusion.

Angle Class II, 2 (Angle)

95

11.45

1.55

10.19

1.22

NR

NR

Durka-Zając et al, 2017 [15]

Demirjian

Class I (ANPg = -0.5-4º)

50

NR

NR

9.55

1.71

NR

NR

• Patients with skeletal Class II malocclusion presented the lower DA among the groups.

• Patients with skeletal Class III presented a significantly higher DA than patients with skeletal Class II.

Class II (ANPg >4º)

50

NR

NR

9.51

1.31

NR

NR

Class III (ANPg <-0.5)

50

NR

NR

10.44

1.6

NR

NR

Goncharuk-Khomyn et al., 2020 [42]

Demirjian

Class I (NR)

23

NR

NR

NR

NR

0.49

0.35

• No significant difference in DA was found among the groups.

Class II (NR)

19

NR

NR

NR

NR

0.37

0.69

Class III (NR)

19

NR

NR

NR

NR

0.64

0.47

Sukhia and Fida, 2010 [37]

Demirjian

Class I (ANB=0-4º)

132

NR

NR

13.03

2.29

NR

NR

• No significant difference in DA was found among the groups.

Class II (ANB>4º)

132

NR

NR

12.86

2.16

NR

NR