Kostenko, Y. Y., Melnyk, V. S. and Horzov, L. F. (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), pp. 47–49. doi: 10.11603/ijmmr.2413-6077.2017.1.7105.