Indices

Pre-surgery

Post-surgery

P value

Upper lip length

18.7±9.7

20.7±6.2

0.061

Lower Lip length

46.1±4.2

45.1±3.2

0.771

Upper lip to E Line

-5±2.4

-2.8±2.2

0.002

Lower lip to E Line

2.1±3.4

1.1±2.3

0.050

Lip chin-throat angle

111.9±6.5

118.6±5.7

0.041

Nasolabial angle

94.1±7.2

91.1±7.2

0.084

SNA

82.7±3.5

83±2.6

0.710

SNB

83.4±4.4

81.2±3.1

0.004

ANB

-1.7±1.5

2.3±2.2

0.001

Wits appraisal

-4.1±2.3

-0.2±1.6

0.001

Y-axis (N-S-Gn)

65.3±2.3

67.4±2.4

0.023

Gonial angle

127.6±5.9

127.1±6.6

0.283

Go-Gn-Sn

29.6±6.0

29.9±4.4

0.521

N-Me (Ant face h)

119.1±6.3

120.1±7

0.516

S-Go (post-Face h)

79.8±6.9

81.7±1.3

0.166

Jarabak index

66.4±5.7

66.9±7.4

0.548

Inclination angle

85.3±5.9

85.4±4.2

0.395

U1-SN (°)

110±4.2

110.6±3.9

0.325

U1-NA (°)

28.5±3.9

28.4±4.9

0.941

U1-NA (mm)

5.2±3.5

5.2±3.3

0.822

L1-Mand (IMPA)

91.6±1.6

90.8±7.8

0.832

L1-NB (°)

27.5±5.9

25.5±9.8

0.201

L1-NB (mm)

6.2±2.1

5.2±2.3

0.029

Interincisal angle

125.6±8.8

123.8±9.1

0.246