POSTSCRIPT
Occupational exposure in dentistry and miscarriage: authors' reply
1 Finnish Institute of Occupational Health, Helsinki, Finland
2 University of Oulu, Institute of Dentistry, Oulu, Finland
Correspondence to:
Dr M-L Lindbohm, Finnish Institute of Occupational Health, Centre of Expertise for Health and Work Ability, Topeliuksenkatu 41 a A, 00250 Helsinki, Finland; marja-liisa.lindbohm@ttl.fi
| The first 150 words of the full text of this article appear below. |
We would like to address the comments made by Dr Guzzi and Dr Pigatto, in their letter regarding our paper "Occupational exposure in dentistry and miscarriage".1 They were concerned about our exposure assessment and policy implications, and pointed out that no monitoring data were used in the assessment of exposure to mercury. In a retrospective case-control study such as ours, it is next to impossible to find environmental or biological monitoring data to cover relevant time windows for all the study subjects and for all the exposures. Therefore we assessed exposure to mercury based on the self-reported number of amalgam fillings made over a one-week time period. We also took into account exposure to mercury during removal of old amalgam fillings by determining their frequency. The number of amalgam fillings placed per week has been shown to be associated with urinary mercury concentration in dental personnel.2
There is also monitoring
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