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  2. Mercury regulation in the United States - Wikipedia

    en.wikipedia.org/wiki/Mercury_regulation_in_the...

    The types of fish to eat are categorized based on the mercury levels found in fish and the risk to human health. Mercury regulation in the United States limit the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. The regulations are promulgated by agencies such as the Environmental Protection Agency ...

  3. Amalgam (dentistry) - Wikipedia

    en.wikipedia.org/wiki/Amalgam_(dentistry)

    Amalgam (dentistry) Amalgam filling on first molar. In dentistry, amalgam is an alloy of mercury used to fill teeth cavities. [1] It is made by mixing a combination of liquid mercury and particles of solid metals such as silver, copper or tin. The amalgam is mixed by the dentist just before use.

  4. Dental amalgam controversy - Wikipedia

    en.wikipedia.org/wiki/Dental_amalgam_controversy

    This discussion of the dental amalgam controversy outlines the debate over whether dental amalgam (the mercury alloy in dental fillings) should be used. Supporters claim that it is safe, effective and long-lasting, while critics argue that amalgam is unsafe because it may cause mercury poisoning and other toxicity. [ 1 ][ 2 ][ 3 ] Supporters of ...

  5. Erethism - Wikipedia

    en.wikipedia.org/wiki/Erethism

    Erethism, [n 1] also known as erethismus mercurialis, mad hatter disease, or mad hatter syndrome, is a neurological disorder which affects the whole central nervous system, as well as a symptom complex, derived from mercury poisoning. Erethism is characterized by behavioral changes such as irritability, low self-confidence, depression, apathy ...

  6. Dental dam - Wikipedia

    en.wikipedia.org/wiki/Dental_dam

    Dental dam. Dental dam. A dental dam or rubber dam is a thin, 6-inch (150 mm) square sheet, usually latex or nitrile, used in dentistry to isolate the operative site (one or more teeth) from the rest of the mouth. Sometimes termed "Kofferdam" (from German), it was designed in the United States in 1864 by Sanford Christie Barnum [de]. [1]

  7. Amalgam (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Amalgam_(chemistry)

    Amalgam (chemistry) Arquerite, a natural amalgam of silver and mercury. An amalgam is an alloy of mercury with another metal. It may be a liquid, a soft paste or a solid, depending upon the proportion of mercury. These alloys are formed through metallic bonding, [1] with the electrostatic attractive force of the conduction electrons working to ...

  8. Minamata Convention on Mercury - Wikipedia

    en.wikipedia.org/wiki/Minamata_Convention_on_Mercury

    The Minamata Convention on Mercury is an international treaty designed to protect human health and the environment from anthropogenic emissions and releases of mercury and mercury compounds. The convention was a result of three years of meeting and negotiating, after which the text of the convention was approved by delegates representing close ...

  9. Mercury (element) - Wikipedia

    en.wikipedia.org/wiki/Mercury_(element)

    A heavy, silvery d-block element, mercury is the only metallic element that is known to be liquid at standard temperature and pressure; [ a ] the only other element that is liquid under these conditions is the halogen bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature. [ b ]

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