Periodontitis is the most common disease worldwide, however, currently the frequency of its rapidly progressive form is increasing. The initiation and progression of periodontal destruction is determined, on the one hand, by the virulence of microorganisms, and, on the other, by the patient’s immune status.

   The dentist’s task is to detect progressive bone loss early, followed by its pathogenetic treatment. Unfortunately, conducting a clinical examination does not fully reflect the ongoing pathophysiological processes in periodontal tissue.

   It is necessary to evaluate microcirculatory disorders, which causes a number of difficulties for clinicians due to many factors.

   The purpose of this study was to conduct a correlation analysis of microcirculatory changes and the severity of the periodontal inflammatory process.

   79 people with rapidly progressing periodontitis participated in the examination. The performed statistical analysis revealed a direct relationship between the degree of the inflammatory process and the degree of microcirculation insufficiency. With a mild inflammatory process, compensated disorders are observed, with moderate severity, persistent hemodynamic disorders. The inflammatory process in periodontitis is a consequence of the waste products of microorganisms, namely bacterial infection. A number of factors play a role in the development of periodontal diseases, but the main etiological factor is the microflora that colonizes on the tooth surface. However, it has been proven that there is a direct two-way relationship between systemic diseases and the condition of periodontal tissues. Both systemic diseases can cause the development of periodontal diseases, and vice versa, pathological processes in periodontal tissues can initiate the launch of a general somatic pathology.