Abstract
Background: The possible sequelae of maxillary osteotomies are numerous. High Le Fort and pyramidal osteotomies can be susceptible to nasolacrimal duct injury, hemorrhage and blindness. High Le Fort I osteotomy can usually be safely performed by techniques previously described if its osteotomy's horizontal trajectory is parallel and below the inferior orbital nerve; while the execution of the Le Fort II osteotomy as described by can safely avoid iatrogenic trauma when the surgeon's execution includes a medial orbital osteotomy.
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