Obesity is one of the criteria of nutritional status parameters caused by the accumulation of fat that occurs gradually and influenced by many factors, one of which is the low of physical activity. Differences in nutritional status that occur in each individual leads to the differences in salivary secretion. Saliva flow rate describes the normal, high, low, or very low of the salivary flow. The changes in age, environmental conditions, life and diet affect the presence or absence of impaired salivary function. The objective of this study is to find out the differences of the flow rate and capacity of salivary buffer on the student of dentistry of USU with normal body mass index and obesity. This study is an analytical observational research with cross sectional approach. The sampling of stimulated saliva of the student of Dentistry USU was conducted in the Laboratory of Oral Biology of Dentistry USU using draining method by consecutive sampling according to the inclusion and exclusion criteria. The saliva flow rate was obtained by measuring the collected saliva in 5 minutes in the saliva pot, while for the salivary buffer capacity measurement using GC Saliva Check Buffer. Data analysis using Post-Hoc ANOVA test showed significant difference in salivary flow rate of subjects with normal body mass index and obesity (p <0.05) so that there was a correlation of body mass index with salivary flow rate (p <0,05) but there was no significant difference in salivary buffer capacity (p <0.05). Meanwhile, the Pearson correlation test showed a significant correlation between salivary buffer capacity and salivary flow rate (p <0.05). So it can be concluded that the difference of body mass index will be related to the salivary flow rate which will affect salivary buffer capacity.
Red blood cell indices, hemoglobin, and hematocrit reflect rapidity of HIV disease progression. This study aims to determine red blood cell indices and CD4 count in HIV-positive reproductive women. This study was a cross sectional study conducted at AIDS outpatient clinic at Haji Adam Malik General Hospital, Medan Indonesia. All seropositive reproductive women within antiretroviral therapy consented for blood count and CD4 examination. Data were collected and analyzed with SPSS 19. In subjects with CD4≤350 mm3, mean hemoglobin was 10.95 ± 2.01, hematocrit was 31.83 ± 5.04%, MCV was 84.17 ± 11.41, MCH was 25.98 ± 2.65, and MCHC was 32.18 ± 2.17. Mean hemoglobin, hematocrit, and MCH value was significantly lower in subjects with CD4 ≤350 mm3 (p=0.014; p=0.001; p=0.01; respectively). Lower Hb, Ht, and MCH associated with thelower CD4 count.
The new corona virus epidemic (Covid-19) was declared a global pandemic on March 11, 2020 by the World Health Organization (WHO). The Covid-19 mortality rate in Indonesia of 8.9% is the highest number in Southeast Asia. Knowledge of the prevention of the Covid-19 pandemic is very important to prevent the transmission of Covid-19. The purpose of this study was to determine the level of knowledge of parents, teachers, and students of Taman Harapan Islam Medan Elementary School about the prevention of the Covid-19 pandemic. This study used a pretest questionnaire for initial data collection, then counseling was carried out on the prevention of Covid-19 and for the final data collection, a post test questionnaire was used. The results of the Mann Whitney test showed that there were differences in the level of knowledge of parents and children about Covid-19 before and after counseling (P value 0.022) and there were differences in the level of knowledge of parents and children about Covid-19 after counseling (P value 0.002). So it can be concluded that there was an influence on the level of knowledge of parents and children about the spread of Covid-19 infection. Education about preventing the spread of Covid-19 to parents of students, teachers and students of the Taman Harapan Islam Medan Elementary School can provide an understanding of the importance of preventing the spread of Covid-19 and can be passed on to their families and the surrounding environment.
Background: Tooth movement induced by the application of orthodontic force was initiated by inflammatory process. Studies have shown that vitamin E has an anti-inflammatory and antioxidant properties which perhaps could inhibit the tooth to move. This study aimed to evaluate the effect of vitamin E supplementation on orthodontic tooth movement in Wistar rats. Methods: Wistar rats (n=56) were divided into two groups. Group 1 served as the control groups, while group 2 was given vitamin E for 14 days before application of orthodontic force. Each group was divided into four subgroups (n=7), corresponding to the number of days orthodontic force lasted, i.e. 0, 1, 3, 7 days. At each of these four time points, distance measurements and quantity of osteoblasts-osteoclasts were measured in each rat. Results: Tooth movement distance was increased for group 2 than group 1 for all time intervals, but this difference was only statistically different on day 3 (p=0.001). For both groups, tooth movement was significantly different between each time interval in each group (p=0.041). The mean number of osteoblast cells was increased for group 2 compared to group 1 for all time intervals (p<0.05), but was not significant different between time intervals (p=0.897). The number of osteoclasts was not significantly different between groups, but it was statistically different between time intervals (p=0.004). Conclusion: The outcome of this study demonstrated that group 2 resulted a better tooth movement compared to group 1 on day 3, based on the distance measurement. The osteoclast cell numbers were the same within control groups, whilst the number of osteoblast cells in group 2 was significantly higher than those in group 1.
Background: Tooth movement induced by the application of orthodontic force was initiated by inflammatory process. Studies have shown that vitamin E has an anti-inflammatory and antioxidant properties which perhaps could inhibit the tooth to move. This study aimed to evaluate the effect of vitamin E supplementation on orthodontic tooth movement in Wistar rats. Methods: Wistar rats (n=56) were divided into two groups. Group 1 served as the control groups, while group 2 was given vitamin E for 14 days before application of orthodontic force. Each group was divided into four subgroups (n=7), corresponding to the number of days orthodontic force lasted, i.e. 0, 1, 3, 7 days. At each of these four time points, distance measurements and quantity of osteoblasts-osteoclasts were measured in each rat. Results: Tooth movement distance was increased for group 2 than group 1 for all time intervals, but this difference was only statistically different on day 3 (p=0.001). For both groups, tooth movement was significantly different between each time interval in each group (p=0.041). The mean number of osteoblast cells was increased for group 2 compared to group 1 for all time intervals (p<0.05), but was not significant different between time intervals (p=0.897). The number of osteoclasts was not significantly different between groups, but it was statistically different between time intervals (p=0.004). Conclusion: The outcome of this study demonstrated that group 2 resulted a better tooth movement compared to group 1 and significantly found on day 3, based on the distance measurement. The osteoclast cell numbers were the same within both control groups, whilst the number of osteoblast cells in group 2 was significantly higher than those in group 1.
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