objective: long-term retention of pit and fissure sealants is crucial for their success. this clinical study evaluated the retention rate of a flowable composite resin (filtek supreme xt flowable restorative) compared to a conventional resin-based sealant (concise light cure white sealant) over 12 months. materials and methods: forty subjects aged 6 to 9 years were included in the study. using ...

background: in our competing educational world, students spend a considerable part of their daily life, studying at library furniture. not surprisingly, due to lack of proper anthropometric databases, these products have typically been ill fitted for the intended user populations. objective: to verify the optimum anthropometric match of library furniture within an academic environment, through ...

groundwater quality management is the most important issue in many arid and semi-arid countries, including iran.artificial neural network (ann) has an extensive range of applications in water resources management. in this study,artificial neural network was developed using matlab r2013 software package, and cl, ec, so4 and no3 qualitativeparameters were estimated and compared with the measured ...

abstractmedication errors are commonly encountered in hospital setting. intravenous medications pose particular risks because of their greater complexity and the multiple steps required in their preparation, administration and monitoring. we aimed to determine the rate of errors during preparation and administration phase of intravenous medications and the correlation of these errors with the d...