Table 4 Seven standard clinical measurements for anatomical type classifications
Measurements | Type 1 (Class 1) | Type 2 (Class 2) | Type 3 (Class 3) |
|---|---|---|---|
ANB | \(3.2^\circ -5.7^\circ\) | \(>5.7^\circ\) | \(<3.5^\circ\) |
SNB | \(74.6^\circ -78.7^\circ\) | \(<74.6^\circ\) | \(<78.7^\circ\) |
SNA | \(79.4^\circ -83.2^\circ\) | \(>83.5^\circ\) | \(<79.4^\circ\) |
ODI | \(78.4^\circ -80.5^\circ\) | \(<80.5^\circ\) | \(<78.4^\circ\) |
APDI | \(77.6^\circ -85.2^\circ\) | \(>77.6^\circ\) | \(>85.2^\circ\) |
FHI | \(0.65-0.75\) | \(>0.75\) | \(<0.65\) |
FMA | \(26.8^\circ -31.4^\circ\) | \(>31.4^\circ\) | \(<26.8^\circ\) |