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Expert Pearls

Mercury Exposure/Toxicity - Antibiotic resistance

Antibiotic resistance - in monkeys amalgam mercury increases the proportion of intestinal bacteria that are resistant to mercury, and these same bacteria then become resistant to oral antibiotics. [The FASEB Journal, April, 1995;9:504-508. 22436/24423 (1997)] Summary Interview

Mercury Exposure/Toxicity - Cardiomyopathy

Cardiomyopathy - toxic metal accumulation in cardiac muscle of mercury and antimony more than 10,000 times normal. [J Am Coll Cardiol 1999;33: 1578-83. 32141 (1999)] Summary Interview

Mercury Exposure/Toxicity - Fecal excretion

Fecal excretion of mercury is significant with chronic or acute exposure. [The FASEB Journal, April, 1995;9:504-508. 22436/24423 (1997)] Summary Interview

Mercury Exposure/Toxicity - Mercury

Mercury - amalgam should be substituted gradually over time with new and improved materials; the Restoration of teeth using silver amalgam or the removal of amalgam restorations during the period of pregnancy or nursing should be avoided. [Biol Trace Elem Res. 2005 Aug;106(2): 145-52. 43773 (12/2005)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 2

Mercury leaks from dental amalgams and mercury levels increase according to the number of dental amalgam surfaces for all the anatomic sites that were investigated (brain frontal cortex, pituitary gland, thyroid, and kidneys). [Am J Forensic Med Pathol, 2006 Mar;27(1):42-5. 44204/ 44745 (5/2006)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 3

Mercury in the urine samples from dentists were about three times higher than non-exposed matched controls (6.2±3.5 µg/l and 1.97±0.9 µg/l, respectively) (p<0.001). Dentists are occupationally exposed to Hg and they may be under risk of chronic exposure compared to non-occupationally exposed people in the normal population. [Hum Exp Toxicol. 2005 Aug;24(8):383-8. 43780 (2/2006)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 4

Mercury in amalgams is not inert and is released and stored in significant concentrations in soft tissue such as the brain, kidney and liver. Blood levels of mercury are poor indicators of mercury exposure. [The FASEB Journal, April, 1995;9:504-508. 22436/24423 (1997)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 5

Mercury exposure to dental personnel can increase the risk to infertility and neurobehavioral problems. [The FASEB Journal, April, 1995;9:504-508. 22436/24423 (1997)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 6

Mercury release from mercury vapor in dental offices occurred at a rate of 60 mg of mercury per dentist, per day. This was in addition to mercury in the liquid and solid components of the waste water from the offices. [Arch Environ Health, July/August, 1996;51(4):335-337. 25593 (1997)] Summary Interview

Mercury Exposure/Toxicity - Mercury - 7

Mercury vapor inhalation in animals produces a molecular lesion in brain protein metabolism which appears to be identical to a lesion present in 90% of Alzheimer's disease brains. [The FASEB Journal, April, 1995;9:504-508. 22436/24423 (1997)] Summary Interview
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