Three patients who underwent orthognathic surgery under general anesthesia complained about difficulty in vocalization and hoarseness after surgery. Intubation granuloma was diagnosed by the department of otorhinolaryngology in our hospital and the masses were excised by laryngoscopy assisted surgery. Chief complaints and symptoms of patients were relieved after surgery. These cases report with review of articles is presented, and the etiology, diagnosis, treatment and prognosis of intubation granuloma after orthognathic surgery are evaluated.