LeFort I (low mid-face) fracture
lfi01     Identify which sites are fractured vs. intact.

What observation on this film excludes a LeFort II and LeFort III fracture?
a) left "friendly line"
b) nasal septum
c) right "friendly line"
d) medial wall, right antrum
e) medial wall, left antrum
f) inferior orbital rims