TY JOUR TI THE LABORATORY STUDY OF THE FLEXURAL STRENGTH OF REINFORCED BIS-ACRYLIC MATERIAL FOR PROVISIONAL FIXED RESTORATIONS KW acrylates KW bis-acrylates KW glass fiber reinforcement KW sample beams KW flexural strength (fracture resistance) JO Actual problems in dentistry AU TRAPEZNIKOV, D.V. AU Zmeeva, E.A. AU Petrikas, O.A. PY 2018 IS 14 PB TIRAZH Publishing House