TY JOUR TI THE APPLICATION OF THE NEW COMPOSITE MATERIALS FOR THE RESTORATION OF POSTERIOR TEETH KW composite materials KW students KW department KW restoration KW clinic JO Actual problems in dentistry AU Borisenko, M.A. AU Chekina, A.V. AU Vetkova, K.V. AU Lomiashvili, L.M. PY 2014 IS 10 PB TIRAZH Publishing House