Abstract
The qualitative composition of the microflora of periodontal pockets and gingival fluid, the composition of periodontopathogens determined by the polymerase chain reaction (PCR) method, the main associations of microorganisms, parocementum caries, dental index were comparatively studiedin patients with external pathological resorption and patients from the comparison group.40 patients were selected for the study, 14 of them with cementum caries, 12 with external pathological root resorption, and 14 without damage to the root of the tooth were in the comparison group. According to the study, all patients with cementum caries and external pathological resorption had pathological processes in the periodontium. According to the results of the microbiological examination in different clinical conditions of the oral cavity, especially with different forms of damage to the periodontum and hard tissues of the teeth, the predominant microbial samples were studied.The study of the qualitative composition of the microflora revealed that the most common pathogens in patients with cementum caries were: Prevotellaintermedia, Tannerella forsythia, Porphyromonas gingivalis, Candida albicans, Treponemadenticola. In patients with external resorption, P. intermedia, Tr. denticola, C. albicans, T. forsythia, P. gingivalis Epstein-Barr viruses were found. These are periodontopathogenic microorganisms and have wide pathogenic properties.
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