amalgam

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According to its website, the US Food and Drug Administration considers dental amalgam fillings safe for adults, but says, "pregnant women and parents with children under six who are concerned about the absence of clinical data as to long-term health outcomes should talk to their dentist.
Most publications concerning dental amalgam and symptoms of Hg contamination are related to people possessing amalgam restorations (DeRouen et al.
Dr Mahmood A Khwaja, Senior Advisor, Sustainable Development Policy Institute (SDPI) explained about the proposal on the restriction of mercury use in dental amalgam for pregnant women and children under 12.
He said that dental amalgam adversely affects our environment.
The Scientific Committee on Health and Environmental Risks (SCHER) confirmed, on 14 March, its preliminary conclusion that mercury in dental amalgam could, under extreme local conditions, contaminate the environment to a level presenting a danger to ecosystems.
Dental amalgam has been used for more than 150 years to treat cavities, due to its excellent mechanical properties and durability.
Biocompatibility: Dental Amalgam still faces much dreaded controversy regarding mercury toxicity.
This is an important consideration for studies seeking to determine the health risks of mercury vapor inhalation from dental amalgams.
Dental amalgam apparently was first used by the Chinese.
By Dr Luisa Dillner/London Dental amalgam is used to repair cavities caused by tooth decay.