TY JOUR TI PILOT STUDY OF THE PHYSICOMECHANICAL CHARACTERISTICS OF BASIC POLYMERIC MATERIAL WITH INTRODUCTION OF NANODIMENSIONAL TITANIUM DIOXIDE KW JO Actual problems in dentistry AU Shulyatnikova, O.A. AU Rogozhnikov, G.I. AU Porozova, S.E. AU Rogozhnikov, A.G. AU Belonogov, N.S. AU Bikkulova, A.V. PY 2017 IS 13 PB TIRAZH Publishing House