РЕЗУЛЬТАТЫ ОПРЕДЕЛЕНИЯ КОЛИЧЕСТВА ДЕСНЕВОЙ ЖИДКОСТИ, У ПАЦИЕНТОВ С НЕСЪЕМНЫМИ ПРОТЕЗАМИ, ИЗГОТОВЛЕННЫМИ ТРАДИЦИОННЫМ И ЦИФРОВЫМ МЕТОДОМ

Abstract

Relevance. Fixed prostheses made in the traditional way, as a rule, have an effect on the marginal periodontal. The objective criterion for assessing the periodontal reaction is the quantity and quality of the gingival fluid secreted as the physiological environment of the body, blood serum transudate filling the gingival furrow, the amount of which increases sharply with the development of the inflammatory process. The purpose of the study is to determine the effect of fixed prostheses made by traditional and digital methods on the condition of periodontal tissues by measuring the amount of gingival fluid. Materials and methods. The amount of gingival fluid was determined by absorption using strips of filter paper. Detection of areas soaked in gum fluid was carried out by staining strips of filter paper in blue or blue with 0.2% alcohol solution of ninhydrin, the effect of which is based on the discovery of α-amino groups in protein. After that, photographs of strips of filter paper were obtained and the area of impregnation of strips with gingival fluid was measured in the Image J computer program. Results. It was found that the amount of gingival fluid secreted in patients with prosthetics using digital technologies is 34,3% less in comparison with the traditional method of manufacturing prosthodontical structures. Conclusion. Evaluation of the periodontal reaction of the supporting teeth covered with artificial crowns made digitally by studying the amount of gingival fluid showed that the figures obtained are closer to the boundary values (average value 0,4372 ± 0,06277 mm2), reflecting their significantly less influence on the condition of the marginal periodontal compared with the traditional method of manufacturing fixed prostheses (average value 0,6597 ± 0,106 mm2) primarily due to their higher accuracy.