Do Dentists Practicing in Karachi Follow Mercury Hygiene Recommendations?

摘要

Background: Dental amalgam is extensively used as a material of choice for posterior restorations and Mercury (Hg) is its essential component. Mercury is a toxic substance which can be harmful for a Dentists and clinic staff due to long term exposure to Hg vapors in the clinic atmosphere. To avoid adverse effects of Hg on health of clinic personnel, American Dental Association (ADA) has laid down recommendations to follow while handling Hg or amalgam. Majority of general dentists practicing in Karachi - a metropolitan city of Pakistan place amalgam restorations more than the restorations of any other material. Despite frequent use of amalgam and Hg, no much data is available to show level of safety precautions taken by these dentists. This study was planned to assess the Hg hygiene practices of general dentists who run their private dental clinics in Karachi. Methods: A questionnaire based study conducted among general dentists practicing in Karachi.Results: Except use of personnel protective equipment, prevalence of following other precautions recommended by ADA for Hg hygiene is not encouraging.Conclusion: Practicing general dentists work in Hg - rich environment and are at risk of jeopardizing their health. Moreover, they are persistent source of atmospheric pollution with Hg which requires strict monitoring.