Maxillomandibular advancement (MMA) for the treatment of severe obstructive sleep apnea syndrome (OSAS): The first case report in Thailand.

Objective: To report the first case experience of maxillomandibular advancement for treatment of severe obstructive sleep apnea syndrome (OSAS) in Thailand. Methods: We present a 65-year-old man patient with severe obstructive sleep apnea syndrome who underwent maxillomandibular advancement in Siriraj Hospital with 4 months follow up. Results: Significant improvement in both subjective symptoms and objective polysomnographic parameters have been demonstrated. There were no serious adverse effects after the operation. Conclusion: Maxillomandibular Advancement procedure may be an excellent alternative treatment for severe OSAS patients who failed CPAP or other interventions and do not need a tracheostomy.