TY JOUR TI MOUTHGUARDS AS THE MOST EFFECTIVE METHOD OF PREVENTION OF PATHOLOGICAL CONDITIONS OF DENTAL SYSTEM IN ATHLETES KW mouthguards KW sports dentistry KW prevention of injuries and diseases of dental system JO Actual problems in dentistry AU Astashina, N.B. AU Kazakov, S.V. AU Ozhgihina, E.S. AU Ozhgihin, Y.G. PY 2014 IS 10 PB TIRAZH Publishing House