Last clean-up I brought you two pounds of amalgam if it was an ounce. Nearby words amalaka , amalek , amalekite , amalekites , amalfi , amalgam , amalgam tattoo , amalgamate , amalgamation , amalgamize , amalia. Examples from the Web for amalgam Spall says that, faced with the contradictions in the research, they created an amalgam of them.
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Word Origin for amalgam C from Medieval Latin amalgama, of obscure origin. Any of various alloys of mercury with other metals, as with tin or silver, used for filling teeth.
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Published by Houghton Mifflin Company. It releases low levels of mercury in the form of a vapor that can be inhaled and absorbed by the lungs.
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High levels of mercury vapor exposure are associated with adverse effects in the brain and the kidneys. FDA has reviewed the best available scientific evidence to determine whether the low levels of mercury vapor associated with dental amalgam fillings are a cause for concern. Based on this evidence, FDA considers dental amalgam fillings safe for adults and children ages 6 and above.
The weight of credible scientific evidence reviewed by FDA does not establish an association between dental amalgam use and adverse health effects in the general population. Clinical studies in adults and children ages 6 and above have found no link between dental amalgam fillings and health problems. The developing neurological systems in fetuses and young children may be more sensitive to the neurotoxic effects of mercury vapor. Very limited to no clinical data is available regarding long-term health outcomes in pregnant women and their developing fetuses, and children under the age of six, including infants who are breastfed.
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.
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However, the estimated amount of mercury in breast milk attributable to dental amalgam is low and falls well below general levels for oral intake that the Environmental Protection Agency EPA considers safe. Despite the limited clinical information, FDA concludes that the existing risk information supports a finding that infants are not at risk for adverse health effects from the mercury in breast milk of women exposed to mercury vapor from dental amalgam.
Some individuals have an allergy or sensitivity to mercury or the other components of dental amalgam such as silver, copper, or tin. Dental amalgam might cause these individuals to develop oral lesions or other contact reactions. If you are allergic to any of the metals in dental amalgam, you should not get amalgam fillings. You can discuss other treatment options with your dentist. For more information on FDA's scientific review and findings, see the new "Information for Use" statement required in dental amalgam labeling.
Mercury in Dental Amalgam
Approximately half of a dental amalgam filling is liquid mercury and the other half is a powdered alloy of silver, tin, and copper. Mercury is used to bind the alloy particles together into a strong, durable, and solid filling. Bioaccumulation refers to the build-up or steadily increasing concentration of a chemical in organs or tissues in the body.
Mercury from dental amalgam and other sources e. Studies of healthy subjects with amalgam fillings have shown that mercury from exposure to mercury vapor bioaccumulates in certain tissues of the body including kidneys and brain. Studies have not shown that bioaccumulation of mercury from dental amalgam results in damage to target organs.
amalgam - Wiktionary
For more information about bioaccumulation, please see Related Resources. There are several different chemical forms of mercury: elemental mercury, inorganic mercury, and methylmercury. The form of mercury associated with dental amalgam is elemental mercury, which releases mercury vapor. The form of mercury found in fish is methylmercury, a type of organic mercury. Mercury vapor is mainly absorbed by the lungs.
Methylmercury is mainly absorbed through the digestive tract.