ปริมาณปรอทในปัสสาวะของทันตบุคลากร

บทคัดย่อ

This cross-sectional study compared the concentration of urine mercury in 23 officer dental personnel and 39 private dental personnel and 21 unexposed controls in Nakhonpathom province. The results showed that the mean mercury urinay excretion for the private dental assistants, the private dentists were 61.56 ± 10.33  (, 42.82 ± 11.00 respectively and for the officer dental assistants, the officer dentists were 15.24 ± 3.22, 12.79 ± 2.29 respectively. Urine mercury levels of 4 groups of dental personnel were significantly higher than the unexposed controls (p < 0.001, Mann-Whitney U-test) that the mean was 1.83 ± 0.55 µg/L.

The mean urine mercury concentration of the private dental assistants was significantly higher than the officer dental assistants and the officer dentists (p < 0.001) but not significantly difference from the private dentists (p = 0.403). The urinary mercury levels of the private dental assistants were 81.5% higher than normal value and 11.1% higher than Biological Exposure index.