Parameter

Norm

Pre-treatment

Post-treatment

SNA (˚)

82˚

83˚

83˚

SNB (˚)

80˚

77˚

80˚

ANB (˚)

AoBo (mm)

−2 mm to +2 mm

3 mm

2 mm

I to NA (˚)

22˚

37˚

22˚

I to NA (mm)

4 mm

10 mm

4 mm

i to NB (˚)

25˚

36˚

26˚

i to NB (mm)

4 mm

8 mm

5 mm

Po to NB (mm)

4 mm

2 mm

2 mm

I to i (˚)

131˚

103˚

129˚

Occl to SN (˚)

14˚

19˚

15˚

GoGn to SN (˚)

32˚

41˚

40˚

FMA (˚)

25˚ ± 3˚

35˚

34˚

FMIA (˚)

67˚ ± 3˚

47˚

55˚

IMPA (˚)

88˚ ± 3˚

97˚

91˚