Maxillomandibular advancement
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Maxillomandibular Advancement (MMA) or orthognathic surgery, also sometimes called Bimaxillary Advancement (Bi-Max), or Maxillomandibular Osteotomy (MMO).
A surgical procedure which moves the jaw top (maxilla) and bottom (mandible) forward. Used to correct facial deformity, receding chin, and for sleep breathing disorders - See Sleep Apnea.
MMA is often performed along with Genioglossus Advancement (tongue advancement) to treat sleep breathing disorders.
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