background: conventional tomography used for evaluation of the small areas of the jaws provides acceptable information. it has some advantages of availability, less radiation dose and costin comparison to computed tomography (ct) and cone beam ct. double emulsion film usuallyused for taking tomograms requires less exposure than single emulsion film; on the other hand,the latter provides more sh...

a bstract   background: qualitative research focuses on social world and provides the tools to study health phenomena from the perspective of those experiencing them. identifying the problem, forming the question, and selecting an appropriate methodology and design are some of the initial challenges that researchers encounter in the early stages of any research project. these problems are parti...

background: although, different grafts are used for nasal tip plasty in cases with under projected or ill defined tip, the selection of a graft material, which provides sufficient amount of tissue with least donor site morbidity and low recipient site complication is challenging. the objectives of the present study were to examine the usefulness of cartilaginous dorsum as a proper material for ...

background health literacy presents an enormous challenge in the delivery of effective healthcare and quality outcomes. we evaluated the impact of low health literacy (lhl) on healthcare utilization and healthcare expenditure.   methods database analysis used medical expenditure panel survey (meps) from 2005-2008 which provides nationally representative estimates of healthcare utilization and e...

background nowadays task sharing is a way to optimize utilization of human resources for health. this study was designed to assess the effect of task sharing, mutually between midwives and family health workforces (fhws), on the number of needed staff across the iranian health posts.   methods the workload and required number of midwives and fhws in a health post were calculated and compared in...