Table 1: Changes in hard and soft tissue cephalometric parameters in maxillary advancement.
|
Indices |
Pre-surgery |
Post-surgery |
P value |
|
Upper lip length |
20.9±9.7 |
23.2±8.6 |
0.007 |
|
Lower Lip length |
50.2±4.1 |
48.4±6.1 |
0.049 |
|
Upper lip to E Line |
-7.2±2.8 |
-3.1±3.9 |
0.001 |
|
Lower lip to E Line |
-2.3±2.9 |
-2.4±2.8 |
0.818 |
|
Lip chin-throat angle |
109.7±5.9 |
110.3±3.2 |
0.7 |
|
Nasolabial angle |
100.6±6.8 |
94.1±5.5 |
0.050 |
|
SNA |
79.3±3.4 |
83.4±1.2 |
0.001 |
|
SNB |
80.6±2 |
80.1± 4.8 |
0.859 |
|
ANB |
-2±1.4 |
3.2±1.0 |
0.001 |
|
Wits appraisal |
-4.8±2.5 |
0.1±1.9 |
0.001 |
|
Y-axis (N-S-Gn) |
67.7±4.3 |
69.4±4.7 |
0.001 |
|
Gonial angle |
127.6±3.7 |
128.6±2.5 |
0.085 |
|
Go-Gn-Sn |
32.9 ±6.5 |
34.9±6.9 |
0.002 |
|
N-Me (Ant face h) |
119.7±8.9 |
120.1±8.3 |
0.700 |
|
S-Go (post-Face h) |
79.1±5.5 |
75.1±9.2 |
0.001 |
|
Jarabak index |
64.5±3 |
62.6±3.1 |
0.001 |
|
Inclination angle |
83.9±3.1 |
83.1±3.8 |
0.194 |
|
U1-SN (°) |
109±9.1 |
107.9±9.1 |
0.578 |
|
U1-NA (°) |
29.4±4.8 |
22.9±4.1 |
0.001 |
|
U1-NA (mm) |
5.2±2.6 |
3.3±3.7 |
0.004 |
|
L1-Mand (IMPA) |
85.8±7.6 |
87.9±6.1 |
0.160 |
|
L1-NB (°) |
22.7±6.7 |
24.8±6.1 |
0.086 |
|
L1-NB (mm) |
3.9±2.5 |
4.7±2.9 |
0.067 |
|
Interincisal angle |
129.3±2.1 |
129.8±1.9 |
0.799 |