Table 1: SNA, SNA angle; SNB, SNB angle; ANB, ANB angle; FMIA, Frankfort – Mandibular Incisor Angle; FA, Facial Axis angle; LFH, Lower Facial Height; FD, Facial Depth angle; II, Interincisive angle
VARIABLE |
NORMAL |
REPORTED |
DIFFERENCE |
SNA |
82±2 |
86.1 |
4.1 |
SNB |
80±2 |
87.1 |
7.1 |
ANB |
2±2 |
-1 |
-3 |
FMIA |
67±3 |
91 |
24 |
FA |
90±3 |
96.6 |
6.6 |
LFH |
47±4 |
39.8 |
-7.2 |
FD |
89±3 |
102.7 |
13.7 |
II |
130±8 |
158.3 |
28.3 |