Immunological aspects of inflammatory periodontal disease (analytical review) Vladimir Evstropov, Galina Zelenkova, Sergei Tresnitskii, Anna Spirina, Pavel Bykadorov, Mikhael Yenin, Еkaterina Danileyko and Alexey Ermakov E3S Web Conf., 210 (2020) 06005 Published online: 04 December 2020 DOI: 10.1051/e3sconf/202021006005