the purpose of this study was to determine the influence of platform switching on stress distribution of two different implant systems using three-dimensional (3d) finite element models.six 3d finite element models were created to replicate two different implant systems with peri-implant bone tissue, in which six different implant-abutment configurations were represented: model xive-a: 3.8-mm-d...

introduction: to identify changes in oaes parameters in treatment course of idiopathic sudden sensorineural hearing loss (issnhl). materials and methods: in aprospective studyfromaugust 2005 to january 2009, 26 patients with issnhl underwent conventional audiometry/tympanometry and two types of oaes (teoaes and dpoaes) before and after the completion of standard drug therapy.the changes in pre-...

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metabolic syndrome, a clustering of components that reflect overnutrition, sedentary lifestyles, and excess adiposity, has become a major health problem worldwide. the increase in its prevalence could be the result of the increase in obesity and insulin resistance. it is suggested that modification of lifestyle including increasing exercise and improving dietary habits is an effective approach ...

evaluation of agricultural policies is an important issue in agricultural economics literature. economists evaluate policies on base of their welfare effects. the objective of this study is outcome subsidies removing for wheat and bread and its effect on producers and consumers. the minimization of changes in welfare loss is used in this study. the results of the welfare outcomes in wheat marke...

noise-induced hearing loss, which is one of the 10 leading occupational diseases, is a debilitating and irreversible disease. during the recent 15-years period (1997-2012), several studies have investigated the association between noise, hearing damage and other side effects of noise in iran. the aim of this study was to review systematically the relevant literature related to noise-induced hea...

800x600 how to cite this article: amirsalari s, radfar sh, ajallouyean m, saburi a, yousefi j, noohi s, tavallaie sa, hassanalifard m, ghazavi y. prevalence of epileptiform discharges in children with sensori-neural hearing loss and behavioral problems compared to their normal hearing peers. iran j child neurol. 2014 spring 8(2):29-33. objective overactivity and behavioral problems are common p...

background: lead still remains an important problem for poor, inner-city, ethnic minority children, with a particular emphasis on lead paint and dust. in egypt, there is no national survey about the prevalence of elevated blood lead level among children. objective: to assess the environmental lead level as well as to determine blood lead level among primary school children and find out its rela...

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consanguineous marriage is strongly favored in many large human populations. in the most parts of south asia, consanguineous marriage account for 20%  to over 50% of the general population. the effect of consanguinity on hereditary deafness has been well studied and documented. many authors have suggested that approximately one half  of sensory neural hearing loss in children can be attributed ...