Parameter

Norm

Pre-treatment

Post-treatment

SNA (˚)

82˚

84˚

80˚

SNB (˚)

80˚

74˚

75˚

ANB (˚)

10˚

AoBo (mm)

−2 mm to +2 mm

5 mm

2 mm

I to NA (˚)

22˚

20˚

18˚

I to NA (mm)

4 mm

4 mm

3 mm

i to NB (˚)

25˚

37˚

28˚

i to NB (mm)

4 mm

7 mm

5 mm

Po to NB (mm)

4 mm

1 mm

1 mm

I to i (˚)

131˚

114˚

126˚

Occl to SN (˚)

14˚

21˚

12˚

GoGn to SN (˚)

32˚

33˚

36˚

FMA (˚)

25˚ ± 3˚

22˚

28˚

FMIA (˚)

67˚ ± 3˚

40˚

58˚

IMPA (˚)

88˚ ± 3˚

108˚

94˚