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Scientific Journal of Al-Azhar Medical Faculty [Girls] [The]. 2000; 21 (Supp. 1): 1325-1336
in English | IMEMR | ID: emr-55683

ABSTRACT

In this study, detailed measurements of mercury vapor exposure in dental profession were carried out. The study was conducted on 33 dentists and dental nurses with a control group of 30 physicians and nurses work in the same hospital. The results showed that Hg-vapor concentration at any moment was dependant on the level of work-related activities. The urinary Hg concentration in the exposed group was 7.4 mug/L compared with 2.0 mug/L in the control group. There was a positive correlation between urinary Hg concentrations and Hg levels in air among the exposed group. By regression analysis, hours of practice/week and number of amalgam restoration/week were the most predicators of urinary Hg levels in dentistry. The results confirmed that a good ventilation system, the design of dental laboratories and the improvement of dental office hygiene were essential to keep the amount of inhaled or absorbed Hg-vapor below the threshold limits


Subject(s)
Humans , Male , Female , Dentistry , Mercury Poisoning , Occupational Medicine , Occupational Exposure
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