Dental amalgam used to fill tooth cavities is set to be phased out by 2034 to reduce toxic exposures to mercury. The United Nations Minamata Convention on Mercury has banned the manufacture and trade of mercury-added dental amalgam at the global level, starting 1 January 2035. “Use of dental amalgam poses several challenges, including exposure to mercury of dental practitioners, also the cost challenges related to disposal of dental amalgam, and also mercury emissions from crematoria,” said Monika Stankiewicz, Executive Secretary of the Minamata Convention.