الفهرس 
Prevalence of work related musculoskeletal disorders among dentists
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Abstract
important occupational health issues in healthcare workers, the prevalence among Egyptian dentists has not been reported. Purpose: to determine the prevalence of musculoskeletal disorders among Egyptian dentists, the prevalence of musculoskeletal disorders between the different body parts and to determine the relationship between the dentists working position and musculoskeletal disorders present.Study Design: a cross sectional study. Subjects: Two hundred and eighty (140 males and 140 females) dentists aged from 22 to 32 years old and their body mass index ranged from 23to 25 kg/m2 participated in the study and were divided equally into two groups according to their working positions: Standing position group (group A) 140 dentists and seated position group (group B)140 dentists were selected from educational and public hospitals in Egypt. Methods: The dentists were asked to answer modified Nordic questionnaire which assesed musculoskeletal disorders due to their work related musculoskeletal disorder in the last 12 month. Results: the reported 12 months prevalence of work related musculoskeletal disorders among Egyptian dentists was(46.06%)the prevalence of disorders according to body parts was as follow: neck(57.5%), upper back (55%), wrist and hand (52.5%), lower back (67.5%), hip (42.5%), knee (45%), foot and ankle (54.6%). According to the working position:The standing group(group A) had high prevalence of WRMSDs in the weight bearing joints as follow: hip region (71.5%), knee region (65%) and ankle region (80%) while,the sitting group(group B) had high prevalence of WRMSDs in the lower back (60%)