1. Tsarev, V. N. Microbiology, virology, immunology of the oral cavity. GEOTAR-Media. 2021: 567-578.
2. Rumyantsev V.A., Nekrasov A.V., Moiseev D.A., Zadorozhny D.V., Pankin P.I. [Biofilm in endodontics. Part II . Methods of biofilm control in endodontic dental treatment (literature review)]. Endodontics Today. 2018;16(2):38-42. DOI: 10.25636/PMP.2.2018.2.8 (In Russ.)
3. Madina Akdauletovna Kurmanalina, Kalipa Zhaksylykovna Erentaeva, Ainur Esbergenovna Kaldygulova, Asel Batyrzhanovna Akhmetzhan, Araylym Berikovna Katpina, Yana Sergeevna Borichevskaya. The role of microorganisms in the development of endodontic pathology. Astana medical journals. 2021;1: 49-55.
4. – Rumyantsev V.A., Rodionova E.G., Nekrasov A.V., Cherdjieva F., Kupriyanova M.S. [Biofilm in endodontics Part I. Properties and methods of study (literature review)]. Endodontics Today.2018;16(1):17-21. URL: https://www.endodont.ru/jour/article/view/172/174 (In Russ.).
5. Smolyaninova E.Y. Errors and complications of endodontic treatment in mechanical treatment of the root canal. Bulletin of medical internet conferences. 2017;4:656-660.