Diseases of the circulatory system are one of the main causes of death and disability in the population. The high prevalence of conditions associ-ated with heart rhythm disturbances is due to associated conditions and concomitant diseases, and this cohort of persons, as a rule, is on lifelong pharmacotherapy. In accordance with clinical guidelines, anticoagulant therapy is indicated for patients with heart rhythm disturbances, which can often pose a risk of microcirculation disturbance. Inflammatory processes in the oral cavity lead to endothelial dysfunction and microcirculation disorders, which is one of the predictors in the development of hypertension, which is associated with rhythm disturbances.Due to the possibility of developing microcirculation disorders and the risk of bleeding, it is important for a dentist to understand the features of the management and treatment of these patients, as well as approaches to the prevention of exacerbations of dental diseases.

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The high prevalence of cardiovascular diseases among the adult population leads to the risk of disability and mortality of people of working age. At the same time, this group of patients also needs comprehensive dental management and consideration of pharmacotherapeutic features. The growing cost of dental services leads to a decrease in the availability of dental care, especially taking into account the age criteria of patients with heart rhythm disorders. According to opinion polls, less than 5% go to the dentist for preventive purposes. However, patients taking anticoagulant therapy are at high risk of developing complications during dental interventions, which means they require increased preventive control by the dental care organization system. Purpose: to evaluate aspects of the organization of dental care for patients with a history of cardiac arrhythmia and taking anticoagulant therapy. Methodology: a prospective study based on the data of the copy, based on the results of an objective examination conducted by dentists (n=105), as well as an anonymous questionnaire of patients with rhythm disorders (N= 100) about the subjective assessment of the oral cavity and their awareness of methods and tools of prevention. Results: patients with cardiac arrhythmia taking anticoagulant therapy have an increased risk of bleeding as part of dental interventions. For the studied group of patients, an objective examination revealed a characteristic clinical picture of the oral cavity. The characteristics required for drawing up a personalized treatment plan for patients with cardiac arrhythmia were also identified. As part of the study, data on the degree of awareness of patients and their subjective assessment of the state of the oral cavity were obtained. Conclusion: patients taking anticoagulant therapy require increased attention during an appointment with a dentist. It is important to identify all predictors of the development of complications, during the collection of anamnesis, to identify and level the low awareness of the patient about the methods and tools of prevention, as well as to conduct personalized oral care training.