This is a cadaveric study comparing alterations in airway volume. Seven advancements of the maxillomandibular complex were undertaken, each with a 2 mm incremental advancement being scanned with a total of eight scans per cadaver. They showed that comparisons between maxillomandibular advancement indicated significantly greater alteration in airway volume at 6–8 mm of advancement in comparison to 8–10, 10–12 or 12–14. As it is known, such surgery is extremely effective for the treatment of obstructive sleep apnoea. The authors advocate that the 6–8 mm advancement can still achieve a therapeutic effect in managing sleep apnoea while minimising the risk of negative facial aesthetic outcomes associated with advancements exceeding 10mm. Whilst such an advancement is effectively a face lift in reverse, and therefore tends to have a very pleasing aesthetic result, this may allay some of the preoperative patient fears of changes to the facial profile whilst still improving apnoea.
Maxillomandibular advancement and airway morphology
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