SCANNING ELECTRON MICROSCOPY STUDIES OF BIOFILM IN TEETH WITH CHRONIC APICAL PERIODONTITIS ArticleGlinkin Vladimir V., Chaikovskaya Ilona V., Kondratyev Pavel A., Gasbanov Magomed, Glushchenko N.N., Babakhanov David A.Эндодонтия Today. Том 23. 2025. С. 458-463