DISEASES OF PERIODONTAL TISSUES: MODERN CHALLENGES OF THE TIME.

The purpose of the study - to review the scientific literature over the past 5-10 years on the prevalence, risk factors and current problems in the treatment of periodontal diseases, especially periodontitis of medium and complex degree. A search and analysis of open sources of literature in the Wiley Library, PubMed, Web of Science and Scopus databases over the past five years (2018-2023) was carried out. Sources describing the epidemiology, etiology, features of the course in combination with somatic diseases, as well as a modern approach to prophylaxis and treatment of periodontitis were selected and analyzed.