Наукові праці. Кафедра ортопедичної стоматології
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Browsing Наукові праці. Кафедра ортопедичної стоматології by Author "Berezhna, O."
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Item Analysis of the terms of usage of non-removable restorations fixed by different glass ionomer cements(2021) Yanishen, I.; Sidorovа, O.; Berezhna, O.; Saliya, L.; Bugaiev, V.The correct choice of dental material for permanent fixation is an important decision and will determine the long-term success of permanent restorations. The aim of the study is to analyze the durability using non-removable structures of dentures mounted on different glass ionomer cements.Item Clinical aspects of problems of occlusal disorders(ХНМУ, 2015-11) Berezhna, O.; Бережная, Елена ОлеговнаThe problem of diagnostics and revealing of occlusal disturbances aetiology at patients of earlier age category, and their timely adequate correction with use of modern methods of elimination of that problem is one of the maintenance prevention of dentoalveolar system diseases.Item Comparative evaluation of orthopedic treatment of patients with partial and complete absence of teeth according quality of life(Харківський національний медичний університет, ГО «Харківське обласне відділення Асоціації стоматологів України», 2019) Pogorila, A.; Yanishen, I.; Berezhna, O.; Andrienko, K.The purpose of our investigations was to compare the quality of life of patients at the stages of orthopedic treatment using removable dentures, which was identified as a result of a set of studies using a developed questionnaire.Item Evaluation of patient’s quality life with joint and muscle dysfunction(2020) Yanishen, I.; Andrienko, K.; Pereshivaylova, I.; Salia, L.; Berezhna, O.The aim: was the evaluation the patient’s quality of life with muscular and joint dysfunction of TMJ with using a modified profile questionnaire at various stages of orthopedic treatment. The study was conducted at the Department of Orthopedic Dentistry on the base of University Dental Center in Kharkiv National Medical University. Materials and methods: We conducted a clinical examination and subjective analysis of 125 patients aged 20 to 60 years (mean age 38.5 ± 3), and 80 of them with a reliable diagnosis of dysfunction of TMJ and a control group of 45 patients of the same age without pathology of TMJ. Our profile questionnaire is intended for filling by the respondent (patient) at the three control stages of orthopedic treatment under the supervision of an orthopedic dentist (before the start of treatment, 1.5 months after the beginning of treatment and 3 months). The data obtained were subjected to a scaling process, converted into percentages to facilitate statistical analysis. Results: The worst values before and after treatment were found in the 3rd and 4th age subgroups (30.5 ± 0.60 and 42.0 ± 0.7 points, respectively), with a mean of 10 and 13%, respectively, according to the proposed rating scale. In this case, the indicators have changed 1.3 times in the direction of increase. The highest level of QL was observed in patients of the 2nd (98.7 ± 0.8 points) and the 1st subgroups (102.3 ± 0.4 points), the average value for the three stages of treatment was 78% and 92% rating scales. Before of orthopedic treatment, the values were approximately the same. Conclusions: The using of profile questionnaire of quality of life in patients with muscular and joint dysfunction of the TMJ is appropriate. The questionnaire can be used to evaluate the dynamics of orthopedic treatment of this complex pathology, and it can also be used as a prognostic criterion for the end of the disease.Item Experience in development of automated systems for maintaining histological researches(2019) Yanishen, I.; Maslovskyi, O.; Berezhna, O.; Filatov, I.; Kulish, S.The work is devoted to design the system for automatized histological research. The problems of digital processing for histological images are described. The root principles of design, main issues of imaging processing and structure of the system for automatic histological research are proposed. Main medical technical requirements for proposed system are considered.Item Providing clinical and technological quality of a supporting dental gypsum material: comparative evaluation of physical and mechanical properties.(2016-04) Янішен, Ігор Володимирович; Бережна, Олена Олегівна; Кузнєцов, Роман Володимирович; Yanishen, I.; Berezhna, O.; Kuznetsov, R.Comparative assessment of physical and mechanical properties of gypsum to improve the quality of orthopedic treatment of dental patients with the clinical-oriented technology of dentures.Item Quality of orthopedic rehabilitation of patients with post-traumatic defects of the upper jaw by characteristics of biocenosis of the oral cavity(2020) Yanishen, I.; Fedotova, Olena; Khlystun, N.; Berezhna, O.; Kuznetsov, R.The aim of the research was to study the dynamics of the microbiota's features of oral mucosal membrane during orthopedic rehabilitation of patients with removable dentures which has an obturating part with two-layer bases. Materials and methods: To achieve this goal, our bacteriological examination of oral cavity mucosa was performed for 25 patients with partial adentia of the upper jaw and defect of hard palate and alveolar process. Results and conclusions: Of the conducted studies indicate significant shifts in the qualitative and quantitative composition of microbiocenosis in the oral cavity in patients with partial adenia of the upper jaw and a defect of hard palate and alveolar process due to representatives of moraksel, enterobacteria (representatives of the kinds Klebsiella and E. coll). The comparing of frequency of extraction and the density of microbial colonization showed us the persistence in biotope of representatives near 13 kinds of bacteria and yeast-like fungi of the kind Candida in averages from lg (2,5 ± 0,19) to lg (5,4 ± 0,17) CFU/g. For patients who have been made a two-layered basis, materials of which are based on carboxymethylcellulose and polyvinialacetate in the period of adaptation to removable dentures, showed us that the detection of 5 component associations at 30 days was reduced by 2 times (x2 = 5,991; v = 2; p <0,05) . The frequency of removal and density of microbial colonization of the experimental group did not differ statistically. Among patients in the control group, the microbial colonization density increased for Enterococcus spp, for Klebsiella spp and for Candida spp. Yeast-like fungi. A significant decrease in the microbial density of the resident microflora was 1.4 times for Neisseria spp, 1.6 times for Lactobacillus spp (p <0,05).