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Related Experiment Videos

Long-term airway space changes after mandibular setback using bilateral sagittal split osteotomy.

J M Greco1, U Frohberg, J E Van Sickels

  • 1Department of Oral & Maxillofacial Surgery, Dental School, University of Texas Health Science Center, San Antonio.

International Journal of Oral and Maxillofacial Surgery
|April 1, 1990
PubMed
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Mandibular setback surgery for hyperplasia may narrow the hypopharyngeal airway space. This narrowing, observed in cephalometric studies, could potentially lead to obstructive sleep apnea in some patients.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Sleep Medicine
  • Radiology

Background:

  • Mandibular hyperplasia can affect facial aesthetics and function.
  • Surgical correction often involves mandibular setback procedures.
  • The impact on the hypopharyngeal airway space requires further investigation.

Purpose of the Study:

  • To evaluate long-term changes in hypopharyngeal airway space after surgical correction of mandibular hyperplasia.
  • To assess the relationship between mandibular setback and airway dimensions.
  • To explore potential links to obstructive sleep apnea syndrome.

Main Methods:

  • Retrospective analysis of eleven patients.
  • Surgical correction using bilateral sagittal split osteotomies with rigid fixation.

Related Experiment Videos

  • Cephalometric evaluation of hypopharyngeal airway space using craniofacial landmarks.

    • Main Results:

    • Mandibular setback procedures resulted in relative narrowing of the hypopharyngeal airway space.
    • Findings were observed on lateral cephalometric radiographs.
    • The degree of narrowing varied among patients.

    Conclusions:

    • Mandibular setback surgery can decrease hypopharyngeal airway space.
    • This airway narrowing may be a contributing factor to obstructive sleep apnea syndrome in susceptible individuals.
    • Further research is needed to fully understand the clinical implications.