Chronic otitis media (COM) is a common disease that can have serious complications related to incorrect and inadequate treatment. Tympanoplasty is a surgical procedure performed for eradication of infection and rehabilitation of hearing in patients with COM. The main purpose of tympanoplasty is to repair the perforated tympanic membrane (TM) and rehabilitate the patients hearing.Many factors play a role in the outcome of surgical treatment, including the disease level, age of the patient, surgeons experience, institution in which the procedure is carried out, and technique of operation....