Abdulkadir Özgür .ical Session 09-10 14:00 30min Composite multi-fractured osteoperiosteal flap (Uçar Flap) for canal wall reconstruction and mastoid obliteration: Multicenter surgical outcomes Dr. Hitendra Prakash Singh, Cevat Uçar, Abdulkadir Özgür Otology/Neurotology Otology 6