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amalgam    音标拼音: [əm'ælgəm]
n. 汞合金,汞齐

汞合金,汞齐

amalgam
n 1: an alloy of mercury with another metal (usually silver)
used by dentists to fill cavities in teeth; except for iron
and platinum all metals dissolve in mercury and chemists
refer to the resulting mercury mixtures as amalgams [synonym:
{amalgam}, {dental amalgam}]
2: a combination or blend of diverse things; "his theory is an
amalgam of earlier ideas"

amalgam \a*mal"gam\ ([.a]*m[a^]l"gam), n. [F. amalgame, prob.
fr. L. malagma, Gr. ma`lagma, emollient, plaster, poultice,
fr. mala`ssein to make soft, fr. malako`s soft.]
1. An alloy of mercury with another metal or metals; as, an
amalgam of tin, bismuth, etc.
[1913 Webster]

Note: Medalists apply the term to soft alloys generally.
[1913 Webster]

2. A mixture or compound of different things.
[1913 Webster]

3. (Min.) A native compound of mercury and silver.
[1913 Webster]


amalgam \a*mal"gam\, v. t. & i. [Cf. F. amalgamer]
To amalgamate. --Boyle. --B. Jonson.
[1913 Webster]


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  • Amalgam | American Dental Association - ADA
    Amalgam Key points Dental amalgam is a safe, affordable and durable restorative material Although amalgam remains an effective and inexpensive restorative option, environmental concerns regarding mercury have prompted legislative and regulatory action in the U S and other countries pertaining to amalgam
  • Amalgam | American Dental Association - ADA
    Resources about amalgam regulations, recycling and waste management, and dental equipment
  • ADA Statement on Use of Dental Amalgam in the U. S.
    The ADA continues to support the use of dental amalgam based on the clinical judgment of the dentist as a safe, durable and affordable material to treat cavities if dentists and their patients agree it is the best treatment option, and dentists in the U S use devices called amalgam separators to prevent amalgam waste from entering the environment
  • Amalgam Separators and Waste Best Management Practices
    Dental best management practices for amalgam waste handling and disposal 4 include use of chair-side traps, use of amalgam separators, regular inspection and cleaning of traps, and use of appropriate commercial waste service to recycle and or dispose of collected amalgam (Table) Compliance with the EPA final rule on amalgam separators is required
  • Best Management Practices for Amalgam Waste - ADA
    Best Management Practices for Amalgam Waste American Dental Association ¥ October 2007 Uif gpmmpxjoh jogpsnbujpo efnpotusbuft ipx up nbobhf boe sfdzdmf efoubm bnbmhbn xbtuf up ifmq qspufdu uif fowjsponfou
  • Materials for Direct Restorations | American Dental Association - ADA
    Materials for direct restoration: a detailed overview for dental professionals from the ADA
  • The American Dental Association Reaffirms its Position on Dental Amalgam
    The ADA reaffirms its position that dental amalgam is a durable, safe and effective cavity-filling option According to the FDA statement, “If you need a filling, discuss all treatment options with your dental provider, including the benefits and risks of using dental amalgam and other dental restorative materials, to help you make an
  • Amalgam Fillings: Patient Education Conversation Points - ADA
    What is Dental Amalgam and How Is It Used? Dental amalgam is a silver-colored cavity filling material made from silver, copper, tin, zinc, and mercury Amalgam fillings have been used to treat cavities for over 100 years and more than 100 million Americans have received them
  • Amalgam Waste and Recycling | American Dental Association - ADA
    Guidance to help your dental practice comply with EPA regulations on amalgam recycling and discharge
  • ADA Guidelines on Amalgam Accumulations in Dental Office Plumbing
    The amalgam appears to be very stable and immobile Nevertheless, there is a general concern among some regulators and others about any mercury-related issue When there is a need for plumbing work or other activities that might disturb adhered amalgam waste, some simple steps can be followed to address any health or safety issues





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