Avanzamento maxillo mandibolare nella Sindrome delle Apnee-Ipopnee ostruttive del sonno

Maxillo-mandibular advancement in obstructive sleep apnea/hypopnea syndrome Ungari C., Riccardi E., Conforti A., Filiaci F. Department of Odontostomatology and Maxillofacial Surgery, Policlinico Umberto I, “Sapienza” University of Rome, Italy Aims Surgical management of obstructive sleep apnea/hypopnea syndrome (OSAHS) tipically consists of several phases based on the severity and location of the anatomical abnormalities. The last phase of surgical management consists of maxillo-mandibular advancement (MMA) performed by a Le Fort I osteotomy and bilateral sagittal split ramus osteotomies of the mandible. The purpose of this study was to examine the effects of maxillomandibular advancement surgery on the pharyngeal airway volume and determine if a relationship exists between the amount of advancement and airway volume change. Methods Records of 8 patients who had undergone maxillo-mandibular advancement osteotomies were collected and analyzed. Patients included in this study had severe clinical OSA symptoms, and the diagnosis was confirmed by overnight polysomnogram findings. MMA was performed to produce mandibular advancement of 10 mm. Cone beam computed tomography scans were taken presurgery and at least six months post-surgery.