%0 Journal Article %T PATHOHISTOLOGICAL CHANGES IN THE MAXILLARY SINUS TISSUES DURING LONG-TERM CONTACT WITH AH PLUS EPOXY SEALANT %A Sirak, S.V. %A Gatilo, I.A. %A Pereverzeva, E.S. %K experiment, maxillary sinus, root sealants, Schneiderian membrane, necrosis, immunohistochemistry, fibrosis, angiogenesis %J Actual problems in dentistry %D 2026 %N 2021 %P 9 %I TIRAZH Publishing House