For citations:
Opravin A.S., Zykova A.S., Kudryavtsev T.A., Kuzmina L.N., Galieva A.S. Variants of anatomical organization of the maxillary molars in reference to the maxillary sinus. Endodontics Today. 2025;23(2):252-257. https://doi.org/10.36377/ET-0100