Upper airway and sleep quality changes after bimaxillary orthognathic surgery: influence of posterior nasal spine displacement in skeletal class III malocclusion.

Bimaxillary surgery for skeletal class III malocclusion reduced nasopharyngeal airway volume when the posterior nasal spine moved upward, but sleep quality improved postoperatively with no clinically significant breathing deterioration.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.