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 ?
Se analizo mediante estereomicroscopia el comportamiento in vitro de 45 discos y de 45 obturaciones oclusales en premolares que se elaboraron en tres marcas comerciales de amalgama dental y que se sometieron a altas temperaturas (200[grados]C, 400[grados]C, 600[grados]C y 800[grados]C).
La amalgama conceptual o blend del poema evoca uno de los temas bien estudiados por la critica sorjuanina: el retrato, cita a la que no han faltado los criticos mas importantes del sorjuanismo, como Georgina Sabat de Rivers, Antonio Alatorre, Martha Lilia Tenorio, Rocio Olivares Zorrilla o Sylvia Graciela Carullo.
Sintomas de intoxicacion por quema de amalgama y sus vapores: impotencia, problemas psicomotores, perdida de ia memoria, sabor metalico, problemas en encias, rinones, temblores, locura y muerte.
Se acepta que la amalgama dental no es el material restaurador ideal en odontologia pero aun no existe un material restaurador que la reemplace completamente.
Se han hecho estudios para cuantificar la citotoxicidad del MTA, la amalgama y el Hidroxido de calcio (Presentacion Dycal) sobre la MC3T3 de osteoblastos de ratones.
Um segundo tipo muito diferente de amalgama entre presenca e linguagem esta presente em algumas praticas basicas de filologia (compreendida em sua funcao original como curadora de textos).
Este es un estudio experimental in vitro acerca del comportamiento a la accion de altas temperaturas de los tejidos dentales (esmalte, dentina y cemento) y cuatro materiales de uso odontologico: amalgama de plata y resina compuesta, ambos materiales de obturacion definitiva; ionomero de vidrio, empleado como base de los materiales de obturacion definitivos y protector pulpar; y cemento de oxido de zinc modificado, que se utiliza como material de obturacion temporal.
Sin embargo, aunque se ha demostrado que las cantidades de mercurio liberadas desde la amalgama no son ni mucho menos peligrosas y el riesgo de toxicidad para el profesional y el paciente es muy bajo con unas minimas precauciones, si esta bien demostrado el dano que pueden causar los residuos al medio ambiente cuando estos son dispuestos de manera inadecuada, lo que ha dado origen a proyectos como el que se describe en este articulo.
Un grupo de 12 dientes fueron obturados con Amalgama libre de zinc VIVALLOY--HR non gamma 2 (VIVADENT Schaan, Liechtenstein, Sweden), preparado en amalgamador.
Esta amalgama de nacionalidades aumenta con la explotacion del nitrato y aparecen los signos del Iquique societario e identitario, cuando los inmigrantes se agrupan en sociedades como el Club Aleman en 1873, el Club Asiatico de Auxilios Mutuos en 1874, el Club Iquique del mismo ano reservado para la comunidad extranjera residente.
Frits Echman, permitieron identificar a Hitler por medio del cotejo de los registros postmortem obtenidos en la autopsia oral con la historia clinica odontologica y las radiografias dentales logrando 26 concordancias a partir de una protesis parcial fija superior anterior, una protesis parcial fija cantileever en el maxilar inferior, obturaciones varias en oro, porcelana y amalgama, tratamientos de endodoncia y evidencia de alteraciones periodontales en los dientes inferiores anteriores.
Y eso es maravilloso porque lo nuevo viene de la amalgama de las cosas viejas.