РЕЗЮМЕ Обоснование. Число мужчин и женщин с гастроэзофагеальной рефлюксной болезнью (ГЭРБ) с каждым годом растет; кроме того, эта болезнь стремится к омоложению. В связи с тем что полость рта является начальным отделом пищеварительной системы, заболевания желудочно-кишечного тракта (ЖКТ) и соответствующие изменения в полости рта тесно взаимосвязаны. Цель исследования-оценка стоматологического статуса пациентов с ГЭРБ в зависимости от приема ингибиторов протонной помпы на основании комплексного клинико-лабораторного исследования. Материал и методы. В исследовании приняли участие 100 человек в возрасте 35-65 лет, которые были распределены на три группы: 1-я (контрольная)-30 человек; 2-я-35 пациентов с ГЭРБ, не принимающих ингибиторы протонной помпы, 3-я-35 пациентов с ГЭРБ, принимающих ингибиторы протонной помпы. Для выявления пациентов, имеющих предрасположенность к ГЭРБ, все участники исследования отвечали на опросник Gastroesophageal Reflux Disease Questionnaire (GRDQ). Если итоговая оценка была больше 8 баллов, пациента направляли на консультацию к гастроэнтерологу. Для оценки стоматологического статуса пациентов определяли индекс КПУ, пародонтальный индекс PI, измеряли рН слюны, а также использовали метод полимеразной цепной реакции для определения качественного и количественного состава пародонтопатогенов. Итоговая оценка по опроснику GRDQ у 2-й группы была значительно выше, чем у пациентов 1-й и 3-й групп. В ходе исследования выявлены высокая интенсивность кариеса, ухудшение паpодонтального и гигиенического статусов, высокая распространенность пародонтопатогенов Porphyromonas gingivalis, Prevotella intermedia и Actinobaccilus actinomecetemcomitans у пациентов 2-й группы по сравнению с пациентами 3-й и контрольной групп. Выводы. Результаты исследования продемонстрировали снижение рН смешанной слюны во 2-й группе. Стоматологический статус у пациентов на фоне ГЭРБ ухудшается. Ключевые слова: гастроэзофагеальная рефлюксная болезнь (ГЭРБ), пародонтит, ПЦР (полимеразная цепная реакция), стоматологический статус, ингибиторы протонной помпы.
The maintenance of normal blood flow through the vessels is the result of the coordinated work of the coagulation and anticoagulation systems of our body. The balance of this system depends on many factors, including endothelial, humoral, platelet ones, however, we still lack knowledge about the effect of antigenic determinants on the state of the hemostatic system. This study is devoted to assessing the effect of the presence and absence of antigens on the AB0 system, presented on erythrocyte and platelet membranes, on hemostatic parameters. The study was conducted in the Clinics of Samara State Medical University and consisted of127 clinically healthy individuals who underwent a general analysis and biochemical blood analysis, 52 people with the most stable indicators of cell composition and metabolic profile were selected for a coagulation test, including determination of the activity of coagulation factors and routine tests. A significant decrease in the activity of the VIII and VII coagulation factors was revealed, as well as an increase in the prothrombin time in patients with 0 (I) blood group compared to the “antigenic” blood groups. The presence of biological variation for indicators of external and internal coagulation paths was noted, depending on the group of blood belonging to the AB0 system. The findings suggest that there is an increased susceptibility to bleeding in patients with 0 (I) blood groups due to the absence of antigenic determinants on the cell membrane, while for “antigenic” blood groups, on the contrary, there is a susceptibility to thrombosis due to increased activity of the components of the coagulation system.
Aim - developing of the new method of diagnosis of oral manifestations of hematologic malignancies by using concentrations of immunoglobulin A and G antibodies to gliadine and transglutaminase in saliva. Materials and methods. The condition of oral mucosa and concentrations of immunoglobulin A and G antibodies to gliadine and transglutaminase were assessed in 90 patients with acute and chronic leukemia. Results. After polychemiotherapy their oral status and concentrations of immunoglobulin A and G antibodies to gliadine and transglutaminase changed significantly. Conclusion. The study will help develop effective method of diagnosis of oral manifestations of hematologic malignancies.
The adhesion of resin-modified glass-ionomer (RMGI) to composite resin plays a very important role in the durability of sandwich restorations. Aim - to explore that co-curing RMGIC and composite resin to GIC using self-etch adhesives and bulk-fill materials may create a chemical bond and improve the bond strengths between these two materials. Materials and methods. Twenty specimens were prepared on gypsum blocks, with wells prepared in them by drilling holes, to retain the RMGIC. The specimens were randomly divided into two groups of 10 specimens each. In group I, after etching and rinsing the surface of cement, a thin layer of an adhesive, which was a Total-Etch type, was applied between RMGIC and the composite resin. In group II, the stage of etching was missed, a Self-Etch adhesive and a thin layer of bulk fill material were applied on the cement surface. Then after curing all the specimens, the shear bond strength was measured using a Bisco Shear bond testing machine. Failure mode was assessed under a stereomicroscope. Results. There were statistically significant differences in bond strengths between the groups (P< 0.05). Failures were predominantly of the cohesive type in all the groups. Conclusion. Based on the results of this study, the use of self-etch adhesive resin on the unset glass-ionomer and using bulk-fill material yielded the highest bond strength in the combined use of glass-ionomer cement and composite material.
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