%0 Journal Article %T INFLUENCE OF AGE ON PERIODONTAL HUMAN HEALTH %A Semencova, E.A. %A Bazarnyy, V.V. %A Mandra, Y.V. %A Polushina, L.G. %A Svetlakova, E.N. %K aging, biological age, degenerative-dystrophic changes, periodontal disease, cytological examination, buccal epithelium, buccal cytogram %J Actual problems in dentistry %D 2020 %N 16 %P 6 %I TIRAZH Publishing House