Case

A 41 year old patient is admitted with a fracture of both the left and right inferior orbital rim resulting in an instability of their maxilla.

Question 2/3 - Which bones or bone regions are involved in this fracture.

Click on your selected option(s) below  (correct = 2, over-thinking = 3+)

Incorrect. The Le Forte II fracture is a mid-face fracture, the frontal bone is superior to the injury area.

Incorrect. The Le Forte II fracture is a mid-face fracture, the supraorbital rim is superior to the injury area.

Correct. The Le Forte II fracture typically passes through the infraorbital rim region of the maxilla

Incorrect. The pterion is lateral at the temples, distant from the Le Forte facial fracture.

Incorrect. The parietal bones are lateral to the sides of the skull, distant from the Le Forte facial fracture

Correct! The fracture through the maxilla breaks the zygomatic arch, which in a Le Forte type II results in an unstable mid-face region of bone.

Incorrect. The maxilla is intact in this type of mid-face fracture.