TY JOUR TI ANALYSIS OF THE PREVALENCE OF MAJOR DENTAL DISEASES IN INDUSTRIAL WORKERS KW health KW industry KW prevalence and intensity of caries KW differences KW research JO Actual problems in dentistry AU Berezin, V.A. AU Statseva, E.Y. AU Firsova, I.V. AU Vasilieva, G.F. PY 2020 IS 15 PB TIRAZH Publishing House