background: the presence of heavy metals in dialysis water which enters patients’ body through haemodialysis can cause various problems such as acute poisoning, brain damage, osteoarthritis etc. therefore, applying the standards for dialysis water is indispensable. this study was carried out to determine the heavy metals of the enterence water of dialysis machines and its comparison with aami a...

statement of problem: digital subtraction radiography (dsr) needs reproducible alignment between the x-ray source, the object, and the film for obtaining identical projections of the same anatomic region. purpose: the aim of this study was to evaluate the effect of bite registrations (placed on individual bite blocks) on the reproducibility of parallel periapical radiographs, obtained every 2 m...

the results of standard and augmented surgical treatment of partial accommodative esotropia have been compared in this study.in this sequential matched randomized double blind clinical trial, we studied 48 patients (96 eyes) with partial accommodative esotropia between the ages of 13 to to 144 months, referring to strabismus clinic of farabi eye hospital between 1999-2000. these patients were g...

methods this randomized, crossover study with parallel design was conducted in 45 patients who required maintenance hemodialysis due to end-stage renal failure. four patients with known bleeding disorders, receiving anticoagulant drugs and receiving drugs which could affect heparin activity were excluded. all patients were randomly assigned to receive either enoxaparin sodium (0.7 mg/kg) or sta...

statement of the problem the aim of this study was to compare the treatment outcome of cl i malocclusion patients treated by two methods, including standard edgewise and mbt. materials and methods thirty subjects (23 boys and 7 girls) with an age range between 14‒19 years were included in each group. the patients had cl i malocclusion and were treated through non-ext strategy. pre- and post-tre...