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A 2003 monograph on mercury toxicity from the WHO concluded that dental amalgam contributes significantly to mercury body burden in humans with amalgam fillings and that dental amalgam is the most common form of exposure to elemental mercury in the general population, constituting a potentially significant source of exposure to elemental mercury.
Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
The first description of symptoms of mercury poisoning among hatters appears to have been made in St Petersburg, Russia, in 1829. [14] In the United States, a thorough occupational description of mercury poisoning among New Jersey hatters was published locally by Addison Freeman in 1860.
To fabricate an amalgam filling, the dentist uses a mixing device to blend roughly equal parts (by mass) of shavings of a silver-base alloy with mercury until the shavings are thoroughly wetted. The silver alloy is typically 40–70% Ag, 25-29% Sn, 2–40% Cu and 0–2% Zn (when the alloy is formulated Zn is a scavenger and is mostly consumed ...
“Most healthy adults would need to consume a lot of higher-mercury fish over long periods of time to develop any symptoms of mercury poisoning,” she says. As for how much mercury is dangerous ...
At this point, tests proved that she had severe mercury poisoning. [ 5 ] [ 6 ] [ 9 ] Her blood and urinary mercury content were measured at 4,000 μg/L [ 7 ] and 234 μg/L, respectively—both many times their respective toxic thresholds of 200 μg/L and 50 μg/L (blood and urine reference ranges are 1 to 8 μg/L and 1 to 5 μg/L).
HGTV star Christina Hall announced has been diagnosed with mercury and lead poisoning. A doctor breaks down the diagnosis and how she could have gotten it.
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