Kulakov A, Badaljan V, Apojan A, Elfimova N, Stepanjan Z. Experience of using the technique of preserving the volume of the alveolar bone by using a fragment of the removed tooth to close the alveolar socket in a patient with chronic apical periodontitis. КС [Internet]. 2018Dec.1 [cited 2025Dec.15];(4):22—25. Available from: http://kstom.ru/ks/article/view/0088-05