introduction: the aim of this study was to compare the changes that occur in the danger zone (dz) after preparation of curved mesiobuccal (mb) canals of mandibular first molars with waveone instruments in two different movements [reciprocation (rcp) and counter-clockwise rotation (ccwr)] by means of cone-beam computed tomography (cbct). methods and materials: mb canals of 30 mandibular molars w...

introduction: stroke is the third important reason of death in adults and an important cause of adult disability. previous studies suggest that tgf-alpha can induce neurogenesis after stroke. here in, we studied neurogenesis effects of the tgf-alpha on subventricular zone following ischemia-reperfusion. male wistar rats (250-300 g) were divided into ischemia and treatment groups. after inductio...

the study of planktonic foraminifera of the ilam and gurpi formations at sarvestan area (se of shiraz) enables me to find the most standard biozones defined in mediterranean regions, especially tethysian domain. seven biozones were determined. biozones i (dicarinella concavata zone) and ii (dicarinella asymetrica zone) belong to the ilam formation and indicate the late coniacian-early santonian...

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Osteomalacia is usually neglected when compared with other metabolic bone diseases and may present with a variety of clinical and radiographic manifestations mimicking other musculoskeletal disorders. It is a known cause of persistent, nonspecific musculoskeletal pain. A 35 year old female was admitted with generalized aches and pains for the last two years. She was of thin stature with a BMI o...