background and aims. the study was undertaken to assess the prevalence of taurodontism and related systemic conditions and gender differences in premolars and molars of patients attending shiraz faculty of dentistry. materials and methods. in this cross-sectional study, panoramic radiographs of 510 randomly selected patients were evaluated by a maxillofacial radiologist for the apically displac...

a wide range of population, 4% to 30%, suffers from tinnitus that is defined as perception of sound without apparent acoustic stimulus. we conducted the present study to determine the prevalence of tinnitus in iranian population; tehran province. this cross-sectional study was conducted from january 2009 to december 2009, recruiting 3207 individuals (age range, 7-98) who were residing in tehran...

a cross sectional study was carried out from october 2010 to march 2011 at andassa livestock research center, north-west ethiopia. the objective was to determine the prevalence of cattle flukes infection. faecal samples were collected from a total of 384 cattle, cross breed (n= 39) and fogera breed (n=345) of all age groups and sex. sedimentation technique was employed for the recovery of fluke...

conclusions present study showed that the prevalence of smoking in men is very high in this region of iran. therefore to prevent the problem it is necessary that educational and research centres and health providers make suitable policies and strategies . results mean (standard error) age of starting to smoke was 20.21 (0.6) years and females had started smoking 4 years later (p = 0.01). during...

results patients’ age ranged from 15 to 65 years (mean = 35.54 ± 14.85). thirty four (1.0%) of the subjects were positive for hbsag, of whom, 2.9 % (1 of 34 cases) were also positive in pcr-based screening. elisa tests for hbeag, hbeab, and hbcab igm were positive in one (2.9 %), 27 (79.4%) and one (2.9 %) cases, respectively. conclusions according to our results, hbsag was positive in 0.53 of ...

background unlike developed countries, data from the developing world regarding motor developmental disorders is scarce. objectives in the present study, we used the infant neurological international battery (infanib) test to determine the prevalence of motor impairment in 4-18 month-old infants in alborz province, iran, in 2010. patients and methods this study was a descriptive-analytic study ...

conclusions the age and location of neck masses are the most important variables. the data in this study showed that the neoplastic lesions (including metastatic lesions) were the most common neck masses and the anterior triangle was the most common anatomical location. in addition, age can play an important role in differential diagnosis. therefore, any mass in the neck, especially in older pa...

introduction: previous studies have shown that there is a probability of seizure even with therapeutic doses of tramadol. yet, no accurate data exist regarding this problem in iran. therefore, the present study aimed to evaluate the prevalence of tramadol consumption in patients with first seizure referred to the emergency department (ed). methods: in the present retrospective one-year cross-se...

conclusions the overall prevalence of hbv and hcv was 1.16% and 1.42%, respectively. the incidence of hcv infection among the pregnant women was higher than that of hbv infection. materials and methods the cross-sectional study took place between july 2013 and april 2014. a total of 10,288 samples were collected from pregnant women living in different areas of the peshawar district. the samples...

materials and methods stool specimens from a random population sample were examined with light microscope, using direct fecal smear, formalin-ether concentration, and nutrient agar plate culture. results the prevalence of s. stercoralis in this study was 0.07%. the statistical random sample in this study was 2839 people whose stool specimens were collected and examined using nutrient agar plate...