COMPARATIVE ANALYSIS OF YTTRIUM CONTAINING ZIRCONIUM DIOXIDE BLOCKS СтатьяMityushkina Tatiana, Fokina Sofia, Korovushkina Elizaveta, Filippov Konstantin, Meremkulov Roman, Mordanova Anastasia, Mordanov Oleg, Khabadze ZurabПроблемы стоматологии. Том 19. 2023. С. 12-19