TY JOUR TI ANALYSIS OF MEASURES OF QUALITY OF LIFE AND SOCIAL CHARACTERISTICS OF ELDERLY AND SENILE PATIENTS KW dentistry KW gerontology KW sociology KW quality of life KW elderly and senile dental patients JO Actual problems in dentistry AU Saleev, R.A. AU Fedorova, N.S. AU Viktorov, V.N. PY 2020 IS 15 PB TIRAZH Publishing House