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Purpose: The purpose of this study was to evaluate the status of permanent teeth in children aged 6-8 years from the Bialystok District, Poland. Material/Methods: 542 children aged between 6 and 8 years from Bialystok and the surrounding area were included in the study. The dental examination was conducted by one calibrated examiner in the school setting with the use of an artificial light, a dental mirror and a periodontal probe in accordance with the WHO guidelines. The Decayed Missed Filled Teeth (DMFT) and the Significant Caries Index (SiC) indices were used to evaluate the status of permanent teeth. Results: The mean DMFT index for the whole group was 0.33±0.85. It was 0.09±0.39 for 6-year-old children, 0.32±0.77 in 7-year-olds and 0.5±1.07 in 8-year-olds. The highest mean number of decayed teeth (DT) was observed in 7-year-old children (0.14±0.46). In every age group, the FT component was greater than DT. The mean number of teeth with fissure sealant varied from 0.57±1.15 to 1.22±1.59 depending on age. The SiC index was 0.25, 0.95 and 1.48 in 6-, 7- and 8-year-old children, respectively. Conclusions: The status of permanent teeth in the surveyed population of 6-8-year-old children living in the Bialystok District was better than in the previous studies. The study confirmed that the majority of caries is concentrated in a small group of subjects.
EN
Introduction: Meningomyelocele (MMC) is the most severe form of spina bifida caused by both genetic and environmental components. It is well known that status of folate plays an important role in the risk of neural tube defects. High homocysteine (Hc) level may be associated with disturbed sensory and motor peripheral nerve function and is lowering after folic acid (FA) fortification. Purpose: To explore possible links of FA (folic acid) and Hc (Homocysteine) and to correlate them with renal and bladder function (based on urodynamics) as well as physical activity in patients with NB (neurogenic bladder) after MMC (myelomeningocele). Materials and methods: The investigation was conducted on two groups: group 1- 30 children with neurogenic bladder, group 2 - 20 healthy children with no abnormalities in urinary and nervous systems. The Hc concentration in urine and serum was estimated using the ELISA set and FA was measured in serum using electro-chemiluminescence method. FA/Hc ratio was calculated in all children. Results: The median serum and urine Hc were higher compared with reference group. Median FA/Hc ratio was statistically significantly lower in MMC group compared to reference group. There were no differences in serum FA between studied groups. We found statistically significant correlations between urodynamics parameters and FA and Hc. Conclusions: Hyperhomocyteinemia and hyper-homocysteinuria could be considered as factors influencing bladder function in MMC patients. Although serum FA level was in normal range in MMC patients it does not exclude disturbed folic acid status.
EN
Purpose - The aim of this study was to use probabilistic graphical models to determine dental caries risk factors in three-year-old children. The analysis was conducted on the basis of the questionnaire data and resulted in building probabilistic graphical models to investigate dependencies among the features gathered in the surveys on dental caries. Materials and Methods - The data available in this analysis came from dental examinations conducted in children and from a questionnaire survey of their parents or guardians. The data represented 255 children aged between 36 and 48 months. Self-administered questionnaires contained 34 questions of socioeconomic and medical nature such as nutritional habits, wealth, or the level of education. The data included also the results of oral examination by a dentist. We applied the Bayesian network modeling to construct a model by learning it from the collected data. The process of Bayesian network model building was assisted by a dental expert. Results - The model allows to identify probabilistic relationships among the variables and to indicate the most significant risk factors of dental caries in three-year-old children. The Bayesian network model analysis illustrates that cleaning teeth and falling asleep with a bottle are the most significant risk factors of dental caries development in three-year-old children, whereas socioeconomic factors have no significant impact on the condition of teeth. Conclusions - Our analysis results suggest that dietary and oral hygiene habits have the most significant impact on the occurrence of dental caries in three-year-olds.
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