amalgam


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amalgam

 [ah-mal´gam]
an alloy of mercury with other metals; used in dental restorations.
 Varnish, liner, and base applications for use with dental amalgam that is not bonded to the cavity preparation walls. E, enamel; D, dentin. From Darby and Walsh, 1995.

a·mal·gam

(ă-mal'gam),
An alloy of an element or a metal with mercury. In dentistry, primarily of two types: silver-tin alloy, containing small amounts of copper, zinc and perhaps other metal;, and a second type containing more copper (12%-30% by weight); amalgams are used in restoring teeth and making dies.
[G. malagma, a soft mass]

amalgam

/amal·gam/ (ah-mal´gam) an alloy of two or more metals, one of which is mercury.

amalgam

(ə-măl′gəm)
n.
Any of various alloys of mercury with other metals, especially:
a. An alloy of mercury and silver used in dental fillings.
b. An alloy of mercury and tin used in silvering mirrors.

amalgam

[əmal′gəm]
Etymology: Gk, malagma, soft mass
1 a mixture or combination.
2 an alloy of mercury, silver, and other metals commonly used in dentistry.

amalgam

Dental amalgam Dentistry A silver-copper-tin alloy with varying amounts of mercury to fill carious teeth. See Biological dentistry, Cremation, Fluoridation, Mercury.

a·mal·gam

(ă-mal'găm)
An alloy of an element or a metal with mercury. In dentistry, primarily of two types: silver-tin alloy, containing small amounts of copper, zinc, and perhaps other metals, and a second type containing more copper (12-30% by weight); they are used in restoring teeth.
[G. malagma, a soft mass]

amalgam

A dental material consisting of powdered mercury, silver and tin which, when mixed, may be forced into a drilled and cleaned cavity in a tooth where it hardens within a few minutes. Surprisingly, in spite of occasional expressed concern, amalgam does not seem to present the risk of mercury poisoning.

Amalgam

A mixture (alloy) of silver and several other metals, used by dentists to make fillings for cavities.
Mentioned in: Tooth Decay

a·mal·gam

(ă-mal'găm)
An alloy of an element or a metal with mercury. In dentistry, primarily of two types: silver-tin alloy, containing small amounts of copper, zinc, and perhaps other metal, and a second type containing more copper (12-30% by weight); amalgams are used in restoring teeth and making dies.
Synonym(s): amalgam alloy, dental amalgam alloy.
[G. malagma, a soft mass]

amalgam (əmal´gəm),

n (dental amalgam alloy), an alloy, one of the constituents of which is mercury.
amalgam, bonded,
n 1. a composite of tooth-colored acrylic resin and finely ground glass-like particles that is bonded or adhered to the tooth during dental restoration. The advantage is that less of the tooth structure needs to be removed during the restoration, resulting in a smaller filling compared with traditional amalgams.
2. a composite filling.
amalgam carrier,
amalgam carver,
amalgam condenser,
amalgam, copper,
n an alloy composed principally of copper and mercury. See also amalgam.
amalgam, dental,
n an amalgam used for dental restorations and dyes.
amalgam matrix,
amalgam pigmentation,
n See amalgam tattoo.
amalgam plugger,
amalgam, silver,
n a dental amalgam, the main constituent of which is silver. The ADA composition specifications are as follows: silver, 65% minimum; tin, 25% minimum; copper, 6% maximum; zinc, 2% maximum.
amalgam squeeze cloth,
n a piece of linen used to hold plastic amalgam from which excess mercury is to be squeezed. Used with hand trituration.
amalgam tattoo,
n a solitary discrete gray, blue, or black discoloration of tissue usually located in the gingiva, alveolar ridge, or buccal mucosa caused by small amounts of dental amalgam that became embedded under the surface. The asymptomatic lesion is static and requires no treatment. If doubt exists about the lesion or if the lesion is unsightly, excisional biopsy is recommended.
Enlarge picture
Amalgam tattoo.
amalgam well,
n a small, bowl-shaped container that holds mixed amalgam prior to its being loaded into the amalgam carrier.

amalgam

a silver-tin-copper alloy in combination with mercury, commonly used in dental restoration.

amalgam burnisher
an instrument used to smooth the surface of an amalgam filling.
amalgam condenser, amalgam plugger
an instrument used to pack amalgam into a filling.
amalgam well
a small bowl used to hold amalgam until it is used in the restoration.
References in periodicals archive ?
It will be important for the dental hygienist to be aware of the latest regulations in order to answer patient questions and educate the public about the relationship between amalgam in the mouth and mercury in the environment.
The hotter they are, the more likely mercury droplets will move onto the surface of amalgam fillings where they can evaporate.
One final admonition for those considering mercury-silver dental amalgam removal: avoid over-the-counter chelation products.
FDA hearings to further assess the safety of amalgam fillings are planned for this fall.
Dental amalgam is an alloy of mercury that incorporates silver, tin, copper, and zinc.
In 1845, the Society of Dental Surgeons (SDS), as well as many regional societies, resolved to discontinue the use of mercury amalgam in dental practice.
The inmate alleged that the dentist should have given him the option of using plastic tooth-colored fillings instead of metal amalgam.
Amalgam has been determined unacceptable in Canada and some European countries, particularly for pregnant women.
Most Robin Hood experts say that the master archer, a man committed to spreading the wealth, was probably an amalgam of several men who lived during different periods.
The European Commission has warned the Government is in breach of EU environment laws for failing to ensure the safe disposal of amalgam waste when dental patients have fillings.
Tru Calling'' is a grim amalgam of ``Crossing Jordan,'' ``The Sixth Sense'' and ``Groundhog Day.
Biographers like to remind us that Howard was essentially an inventor (whose big aim was to develop a shorthand-typing machine) and that, like all inventions, the Garden City was a new amalgam of existing notions, but became the most influential of town and country planning ideologies all around the world.