Although maxillomandibular advancement (MMA) is an orthognathic surgical procedure used to manage obstructive sleep apnea (OSA) in individuals who are noncompliant with continuous positive airway pressure therapy, simple MMA encounters problems in terms of aesthetic outcomes in Asian populations with preexisting dentoalveolar protrusion. Our current prospective investigation describes changes in posterior pharyngeal space and aesthetic outcomes after counterclockwise rotational orthognathic surgery, which is known to be quite difficult in terms of the maintenance of the skeletal stability in skeletal class II patients with OSA. This prospective study investigated the surgical outcome of patients who suffered from OSA following counterclockwise rotational orthognathic surgery. The patients were skeletal class II patients who underwent orthognathic surgery between March 2013 and December 2014. Cephalometric posterior airway analysis and a questionnaire for facial perception were used to assess pharyngeal airway and patient perception of facial appearance. A total of 14 patients were included. Satisfactory results were achieved without complications in all OSA patients. The airway parameters for anteroposterior length significantly increased. Thirteen patients answered a questionnaire on their facial appearance, and the visual analog scale averaged 7.31 points, indicating a favorable facial appearance. Counterclockwise rotational orthognathic surgery without maxilla advancement for the correction of OSA can effectively increase the posterior pharyngeal space, with favorable aesthetic results. With thoughtful application, this novel approach may be an alternative to standard approaches for the correction of OSA using orthognathic surgery. (C) 2017 by Mutaz B. Habal, MD.
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