Maxillary advancement for unilateral crossbite in a patient with sleep apnea syndrome

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Abstract

This article reports the case of a 44-year-old male with skeletal Class III, Angle Class III malocclusion and unilateral crossbite with concerns about obstructive sleep apnea syndrome (OSAS), esthetics and functional problems. To correct the skeletal deformities, the maxilla was anteriorly repositioned by employing LeFort I osteotomy following pre-surgical orthodontic treatment, because a mandibular setback might induce disordered breathing and cause OSAS. After active treatment for 13 months, satisfactory occlusion was achieved and an acceptable facial and oral profile was obtained. In addition, the apnea hypopnea index (AHI) decreased from 18.8 preoperatively to 10.6 postoperatively. Furthermore, after a follow-up period of 7 months, the AHI again significantly decreased from 10.6 to 6.2. In conclusion, surgical advancement of the maxilla using LeFort I osteotomy has proven to be useful in patients with this kind of skeletal malocclusion, while preventing a worsening of the OSAS.

Original languageEnglish
Pages (from-to)177-182
Number of pages6
JournalActa medica Okayama
Volume69
Issue number3
Publication statusPublished - 2015

Keywords

  • LeFort I osteotomy
  • Maxillary advancement
  • Obstructive sleep apnea syndrome
  • Unilateral crossbite

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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