Kostenko, Ye. Ya., V. S. Melnyk, and L. F. Horzov. 2017. “THE EFFECTIVNESS OF CHRONIC GINGIVITES TREATMENT IN PATIENTS WITH NON-REMOVABLE ORTHODONTIC APPARATUS ACCORDING TO THE RESULTS OF PERIODONTAL TISSUES INDEX ASSESSMENT”. International Journal of Medicine and Medical Research 3 (1):47-49. https://doi.org/10.11603/ijmmr.2413-6077.2017.1.7105.