TY JOUR TI COMPARATIVE ANALYSIS OF YTTRIUM CONTAINING ZIRCONIUM DIOXIDE BLOCKS KW zirconium dioxide KW 5-YTZ KW 4-YTZ KW flexural strength KW transparency KW fracture toughness JO Actual problems in dentistry AU Mityushkina, T.A. AU Fokina, S.A. AU Korovushkina, E.K. AU Filippov, K.Y. AU Meremkulov, R.A. AU Mordanova, A.V. AU Mordanov, O.S. AU Khabadze, Z.S. PY 2024 IS 19 PB TIRAZH Publishing House