Oral Surgery · single question

Which statement about the Le Fort I osteotomy is FALSE?

  1. The osteotomy is made above the apices of the maxillary teeth
  2. It can correct vertical maxillary excess
  3. It repositions the maxilla
  4. It repositions the mandible
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Correct answer: D. It repositions the mandible

  • A. True — the horizontal cut runs above the root apices to avoid devitalizing the teeth.
  • B. True — impaction of the maxilla is a standard indication for correcting a gummy smile.
  • C. True — the maxilla is downfractured and repositioned in any of three planes.
  • D. Correct as the false statement. Le Fort I is a MAXILLARY procedure. Mandibular repositioning is achieved with a bilateral sagittal split osteotomy or intraoral vertical ramus osteotomy.

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