Which description best fits a Le Fort I fracture?

  • Correct answer

    A horizontal fracture above the apices of the maxillary teeth that separates the tooth-bearing maxilla and palate from the rest of the midface

  • A pyramidal fracture through the nasal bones, medial orbital walls and infraorbital rims

  • Complete craniofacial separation through the zygomatic arches and lateral orbital walls

  • A fracture of the zygomatic arch alone

This question is one of 15 in AFK practice: Oral surgery, trauma and orofacial pain. Test yourself on all of them.

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Explanations

  • Le Fort I is a low horizontal fracture through the maxilla above the dental apices, producing a mobile tooth-bearing segment. The pyramidal pattern is Le Fort II, and craniofacial dysjunction is Le Fort III.

    Source: Hupp, Ellis and Tucker, Contemporary Oral and Maxillofacial Surgery — oneguy

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