00751naa#a2200193#i#450# EN\\bibl\105616 20251207115826.7 2077-7566 20251029b2025####ek#y0engy0150####ca RUS RU TYPES OF CHANGES IN THE CONDITION OF THE MUCOUS MEMBRANE OF THE MAXILLARY SINUSES DURING PROLONGED CONTACT WITH TITANIUM STRUCTURES AND THEIR OUTCOMES Journal article Ekaterinburg TIRAZH Publishing House 2025 5 с. Journal article local Стоматология. Заболевания ротовой полости и зубов. 616.31 RUS Dovgerd Aleksandr Aleksandrovich Sivolapov Konstantin A. dental-press.ru