TY JOUR TI EXPERT CASE STUDY OF TYUMEN REGION DENTAL DISEASE RATE IS THE BASIS FOR REGIONAL PROGRAMM PRIMARY PREVENTION DEVELOPMENT KW dental disease incidence rate KW caries intensity KW primary prevention of dental disorder KW fluoride KW undifferentiated connective tissue dysplasia syndrome. JO Actual problems in dentistry AU Kuman, O.A. AU Ron', G.I. AU Lebedev, S.N. AU Nagaeva, M.O. PY 2017 IS 13 PB TIRAZH Publishing House