Parameter

Norm

Pre-treatment

Post-treatment

SNA (˚)

82˚

84.7˚

81˚

SNB (˚)

80˚

75.5˚

76˚

ANB (˚)

9.2˚

AoBo (mm)

−2 mm to +2 mm

6 mm

2 mm

I to NA (˚)

22˚

28.9˚

25˚

I to NA (mm)

4 mm

6 mm

5 mm

i to NB (˚)

25˚

20.4˚

22˚

i to NB (mm)

4 mm

2 mm

4 mm

Po to NB (mm)

mm

2 mm

2 mm

I to i (˚)

131˚

121.6˚

126˚

Occl to SN (˚)

14˚

19˚

15˚

GoGn to SN (˚)

32˚

35˚

36˚

FMA (˚)

25˚ ± 3˚

30.9˚

32˚

FMIA (˚)

67˚ ± 3˚

64.1˚

65˚

IMPA (˚)

88˚ ± 3˚

86˚

90˚