1389/4/9، جلد ۷، شماره ۲، صفحات -
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عنوان انگلیسی Blood Mercury Level and Its Determinants among Dental Practitioners in Hamadan, Iran
چکیده انگلیسی مقاله Objective: Exposure to mercury can occur in occupational and environmental settings. During clinical work with dental amalgam, the dental personnel are exposed to both metallic mercury and mercury vapor. The aim of the present study was to investigate blood mercury level (BML) and its determinants among dentists practicing in Hamadan city, Iran. Materials and Methods: This cross sectional study was done on all dental practitioners of Hamadan (n=43). Dentists were asked to complete a questionnaire, and then 5 ml blood samples were obtained from them. After preparation, mercury concentration of each sample was measured by cold vapor atomic absorption device. Pearson correlation test and regression models served for statistical analysis. Results: The mean blood concentration of mercury was 6.3 μg/l (SD=1.31 range 4.15- 8.93). BML was positively associated with age, years in practice, working hours per day, number of amalgam restorations per day, number of amalgam removal per week, sea food consumption, working years in present office, using amalgam powder, using diamond bur for amalgam removal, dry sterilization of amalgam contaminated instruments, and deficient air ventilation. Conclusion: BML of dentists in Hamadan was higher than standards. Working hours and number of amalgam restorations per day were significantly correlated with blood mercury.
کلیدواژه‌های انگلیسی مقاله Mercury, Dental Amalgam, Iran
نویسندگان مقاله 3807---3808---3809---3810---3811---
نشانی اینترنتی http://jdt.tums.ac.ir/index.php/jdt/article/viewArticle/227
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