Muzaffarov Of Behzadian Yunusovich and Saidov Akbar Ahadovich 2020. EVALUATION OF THE EFFECTIVENESS OF PREVENTION OF INFLAMMATORY PERIODONTAL DISEASES IN PATIENTS UNDERGOING ORTHODONTIC TREATMENT. International Engineering Journal For Research & Development. 5, CONGRESS (Oct. 2020), 3. DOI:https://doi.org/10.17605/OSF.IO/UY754.