objective: microleakage has always been a problem in restorative dentistry. to decrease microleakage, modern bonding systems, different application methods and sandwich technique have been recommended. the purpose of this study was to assess the microleakage in class v cavities restored with open sandwich technique using self-etch and total-etch bonding systems.   methods: in this in vitro stud...

agent technology is an emerging and promising research area in software technology, which increasingly contributes to the development of value-added information systems for large healthcare organizations due to its capability to automatically modify themselves in response to changes in their operating environment. multi agent system (mas) approach is the construction of a complex system as a se...

trauma is the fourth cause of death at all age groups with socio-economic costs which caused more than 6 million deaths in the world in 2000. despite promising trend in improving many aspects of health case and treatment in the last decade in our country, little attention has been paid to the subject of registering trauma on an international standard. effective practical research specially in q...

the cerebral cortex can be functionally subdivided into primary sensory-motor, unimodal association, heteromodal association, paralimbic and limbic regions. broca was the first who described limbic lobe in 1874, as a ring of gray matter, lying between the diencephalon and more lateral neocortex on the medial surface of the hemisphers. it locates outside of the corpus callosum and consists of su...

conclusions the results of our study show that serum zinc level in bronchiectasis patients was lower than the control group and the difference was statistically significant. it seems that the use of zinc supplement can reduce progression of the infectious disease regarding its role in improving the immune system reactions and some unknown mechanisms. therefore, prophylactic and therapeutic use ...

the results showed success of the health system to detect suspected cases of the measles and appropriate sampling from suspected cases that were more than expected. in addition, per every one million population of iran in 2014, 1.27 of cases of measles were reported; that a numbers of confirmed cases observed in afghan refugees. low levels of immunization coverage in eastern neighboring countri...

results the stool samples were examined via direct microscopic examination and acid-fast staining. positivity was determined in 129 (5.7%) cases. in the overall assessment of the patients with respect to general body itching, rectal itching, allergy, immunosuppression plus cancer, shortness of breath, ulcerative colitis, diarrhea, abdominal pain, salivation, constipation, nausea, vomiting, grow...