TY JOUR TI THE ROLE OF NON-DRUG METHODS IN THE SUPPORTIVE PERIODONTAL THERAPY COMPLEX KW JO Actual problems in dentistry AU Gulyaeva, O.A. AU Salyahova, G.A. AU Tuchvatullina, D.N. AU Mamatov, Y.M. AU Il'chigulova, O.E. PY 2017 IS 13 PB TIRAZH Publishing House