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The statistical analysis was done using one way ANOVA (α=0.05). The differences between the Exacto post group and the Reforpost post group are not statistically significant (p = 0.466). The maximum force recorded was 970 N and the minimum 186N. The mean force at which the fracture occurred was approximately 500N for both groups. The strain test showed that modifying the Reforpost post design did not improve the fracture resistance parameters of the tooth-post assembly through increasing the surface friction or maintaining adhesion to the walls of the root dentin.Our objective was to compare the diagnostic accuracy of Alvarado and appendicitis inflammatory response (AIR) scoring systems among children suspected of acute appendicitis concerning their postoperative outcomes. During a two-year period, a prospective multicentric study was carried in the selected hospitals of Iran. Ropsacitinib mw All children who were admitted with the diagnosis of acute appendicitis were enrolled in the study. However, patients suffering from generalized peritonitis or those who had a history of abdominal surgery were excluded. Before decision-making, each patient's score according to two appendicitis scoring systems was calculated. The clinical outcomes and diagnosis of patients were then compared to the results of each scoring system. For those patients who were a candidate for surgery, the final diagnosis of acute appendicitis was made by histopathology. link2 Patients were divided into a high- and low-risk group according to scoring systems outcomes. Among the patients with a low score for appendicitis, the AIR scoring system had a sensitivity and specificity of 95% and 74%, respectively, which was more promising in comparison to that of the Alvarado system (90% and 70%, respectively). Regarding the patients at higher risk of acute appendicitis, none of the scoring systems provided reliable results since both systems showed sensitivity and specificity of less than 50%, which was not sufficient to distinguish patients who are a candidate for surgery. AIR and Alvarado scoring systems are not accurate models to predict the risk of acute appendicitis among children; however, the AIR system could be used as a reliable material to rule out the acute appendicitis diagnosis.This article highlights the results of a study of blood parameters in animals with simulated necrotizing ulcerative gingivitis and compares them, under the same conditions, with animals that received local treatment with a developed complex of antioxidant drugs. Following the work tasks, the nature of changes in the state of the antioxidant - prooxidant system and their influence on quantitative and functional indicators of markers of inflammatory intensity was analyzed and investigated during the pathological process in the background and without treatment with a developed complex. This work shows the changes of malonic dialdehyde concentration as an indicator of lipid peroxidation intensity in experimental animals, the level of catalase activity in the blood of animals, and antioxidant-prooxidant balance in the dynamics of necrotizing ulcerative gingivitis.Typically, prosthodontists adjust ceramic restorations glazed surface by grinding prior to insertion. Such alterations of surfaces are necessary for the correction of occlusal interferences. We aimed to evaluate and compare the change in flexural strength of ceramic surfaces after re-glazing and polishing. This study included 40 samples of ceramic blocks that were fabricated and glazed, and then fired in accordance with the manufacturer's recommendations. The sample was randomly divided into four groups of 10 samples each. The first group was the control group with unaltered glazed samples. The second group was abraded with an extra-fine diamond bur followed by re-glazing, and the other two groups were polished with two commercially available polishing kits after abrading them with an extra-fine diamond bur. The samples were tested for their flexural strength using a universal testing machine. On the application of the F test on the means of all the groups, a value greater than 0.05 was found, which meant that there is no statistically significant difference in flexural strength values between the groups (P-value>0.05). Since the flexural strength values of the polished group were comparable to the other groups, polishing can be used instead of re-glazing for ceramic restorations. This reduces an additional clinical appointment for the patient and saves working time.The infant's refusal to breastfeed can be a stressful and concerning matter for a mother. This study aimed to investigate the frequency and factors leading to nursing strikes in Rafsanjan city. This descriptive study was performed on infants who had been referred to the pediatrician's office with a complaint of a nursing strike. The research sample included 70 infants, and all the required data, including the causes of the nursing strike and the demographic information of the mother and the infant, were collected using a checklist. The Statistical Package for the Social Sciences (SPSS) software version 20 was used to analyze the data. link3 The percentage was used to express qualitative indices, and the mean and standard deviation were used to express quantitative indices. The results showed that the most common factors contributing to the infants' breast refusal were playfulness and distraction (50%) and recent vaccinations in the last 12 days (48.6%). Besides, the most common maternal factors affecting breast refusal were level of education (67.1%), recent acute stress (41.4%), and inadequate milk production (35.7%). The results of the present study showed that playfulness and distraction of the baby, recent vaccination, use of a pacifier, level of education and recent stress of the mother, breastfeeding program, and insufficient milk production are the most common reasons for nursing strikes.Pediatric biobanks are an indispensable resource for the research needed to bring advances in personalized medicine into pediatric medical care. It is unclear how or when these advances in medical care may reach children, but it is unlikely that research in adults will be adequate. We conducted the screening for a hypothetic problem in various European and American pediatric biobanks based on online surveys through e-mail distribution based on the Biobank Economic Modeling Tool (BEMT) questionnaire model. Participants in the survey had work experience in biobanking for at least 3 years or more. Contact information about the survey participants was confirmed on the social networks profiles (LinkedIn), as well as on generally available websites. First, we tried creating a model which can show the pediatric preclinical and basic clinical phase relationship and demonstrate how pediatric biobanking is linked to this process. Furthermore, we tried to look for new trends, and the final goal is to put the acquired knowledge into practice, so medical experts and patients could gain usable benefit from it. We concluded that leading positions must take into account ethical and legal aspects when considering the decision to include children in the biobank collection. However, communication with parents and children is essential. The biobank characteristics influence the biobank's motives to include children in the consent procedure. Moreover, the motives to include children influence how the children are involved in the consent procedure and the extent to which children are able to make voluntary decisions as part of the consent procedure.In children, dental fear is not only associated with fear of pain or invasive procedures, but it is also correlated with separation from parents or confronting unfamiliar people or environments. The Children's Fear Survey Schedule-Dental Subscale (CFSS-DS) was developed to evaluate dental fear in children, and this scale is now used across the world for evaluating dental fear. The aim of this study was to evaluate dental fear in children between 7-11 years of age and to find out the association between caries and fear of dental treatment. A total of 300 subjects of both sexes were enrolled in the study. Prior to the oral examination, all patients' attendants were informed about the study, and the subjects were asked to fill in a questionnaire regarding the CFSS-DS scale. The data obtained through the questionnaires were analyzed using the Chi-Square test. Fear scores were highest for "injections" (3.91±0.17), "dentist drilling" (3.91±0.10) and "choking" (3.65±0.82). It was also observed that subjects who had already visited a dental clinic or those who were familiar with the dental environment at an early stage of life were less anxious than patients who were receiving dental treatment for the first time. In this study, we found that female subjects were more anxious in comparison to male patients. Once the child's fear is identified, the dentist can use various behavior modification techniques to eliminate fear, explain the steps, and use the instruments accordingly until fear has vanished.Diabetes mellitus (DM) is a metabolic disorder that results from insufficient secretion or insulin resistance, or both. Insulin secretion deficiency leads to chronic hyperglycemia along with impaired metabolism of proteins, lipids, and carbohydrates. This study aimed to investigate the TP53 gene SNP (single nucleotide polymorphism) rs1042522 genotype and the interleukin-6 (IL-6) gene SNP rs1800795 genotype in DM and control groups. This study was performed on 70 patients with type 1 DM, 100 patients with type 2 DM without related complications, 66 control subjects for type 1 DM, and 95 control subjects for type 2 DM. The control groups were matched regarding age and gender and did not have a familial relationship with the patient groups. All the subjects were residents of Kermanshah, located in the western part of Iran. Polymorphisms of TP53 and IL-6 genes were determined by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Lipid profile, fasting blood glucose, and HbA1 the risk of developing DM in the population of the Kermanshah province, Iran.Acute small bowel obstruction remains one of the most challenging nosologies in emergency surgery, leading to a pronounced imbalance between lipid peroxidation and the antioxidant defense system. We aimed to study changes in the anti- and prooxidant status of serum and small intestine wall in an experiment modeling acute small bowel obstruction. The control group included 11 rats, and the main group included 42 rats (simulation of mechanical bowel obstruction on day 1 was conducted in 14 rats, on day 2 - in 12 rats, on day 3 - in 16 rats). Acute small bowel obstruction was modeled by ligation. Serum analysis and removal of the small intestinal wall were performed on days 1, 2, and 3. Indicators of lipid peroxidation and antioxidant protection were determined by the spectrophotometric method, and the imbalance between lipid peroxidation and antioxidant protection gradually increased from 1 to 3 days of observation. On day 3, the low level of aldehyde increased 1.3 times, and the level of superoxide dismutase decreased 1.2 times compared to the control group. Pathophysiological changes in the wall of the small intestine are caused by the activation of lipid peroxidation and the exhaustion antioxidant protection, whereby the degree of their severity increases depending on the increase in time from the moment of modeling of acute obstruction of the small intestine.