Retrospective analysis of the quality of root canal filling according to the data of cone-beam computed tomography - A. A. Adamchik; V. V. Dorogan; E. S. Zaporozhskaya-Abramova; V. V. Tairov; V. A. Ivashchenko; K. D. Kirsh; S. A. Korovashkin (Эндодонтия Today, 2022)