LAMINAR ACRYLIC BASES SHIFT MICROBIAL PATTERN OF ORAL MUCOSA

Changes in the qualitative and quantitative composition of the microbial pattern of the oral cavity are significant indicators that clearly indicate local changes under conditions of disease or other influences on the oral cavity. The aim of the study was to study the influence of laminar acrylic bases on the microbial pattern of the oral mucosa. The study involved 100 people with a healthy oral cavity who did not have significant somatic diseases, including 50 adults and 50 children. In the studied individuals, material was collected from the surface of the oral mucosa and cultured using a standard culture method under aerobic conditions. Typical colonies were identified using an automatic bacteriological analyzer Vitek2compact (BioMerioux, France). A total of 223 clinical bacterial isolates were obtained from the study subjects. During orthodontic treatment using laminar acrylic bases, a shift of the microbiota towards the dominance of Gram-negative species was detected. It was found that the proportion of Gram-negative microorganisms in children with orthodontic acrylic appliances was significantly higher by 44.4% compared to the same indicator in children without such appliances. At the same time, a significant increase in the proportion of Gram-negative bacilli was observed against the background of orthopedic treatment using acrylic bases by 30.8% compared to this indicator in people without dentures. Therefore So, as a result of the study, it was found that use of laminar acrylic bases for a month leads to the significant shift towards the dominance of Gram-negative species in microbiota of oral mucosa. The research of changes in the microbiota of the oral mucosa depending on the qualitative composition of various plastics used in dentistry will contribute to achievements in reducing the level of complications after prosthetics.