IRCT20210210050316N1 IRCT 2021-02-24 Shahid Beheshti University of Medical Sciences Comparing of 2 primary surgical incision methods in patients' eardrum repair surgery Comparing Scalpel versus Electrocautery Methods for post auricular surgical site incision of tympanoplasty for patients with chronic otitis media 2021-02-19 anticipated 100 Complete https://irct.ir/trial/54449 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients will be randomly assigned to 2 groups for tympanoplasty surgery by scalpel or electrocautery cutting, based on table of random numbers, Blinding description: 1.A complete explanation of the study will be performed for the patients; And patients will be given a full explanation of the advantages and disadvantages of each surgical incision method, and if they consent, one of the studied methods will be done randomly, of which they will not be aware. 2. By numbering each of the groups into groups 1 and 2 in the statistical file, and not informing the person analyzing the information about their content. N/A chronic Otitis Media. Intervention 1: Intervention group1: electrocautery retroauricular incision,. Intervention 2: Intervention group2: scalpel retroauricular incision. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information