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Actually, small but measurable amounts of mercury vapor are released from amalgams which are then breathed into the lungs, from which it is absorbed into the bloodstream and excreted in the urine. I suspect the release is the result of small amounts of unreacted mercury in the amalgam. In addition, mechanical abrasion of amalgams results in small, largely insoluble particles which are swallowed, pass through the GI tract and is excreted in the feces. It is basically unavailable for toxic effects. Absorption of elemental mercury vapor from dental amalgams has been estimated as 3-17 micrograms per person per day (according to the CDC Toxicological Profile for Mercury, p. 432). The mainstream expert opinion is that this is not enough to cause adverse health effects; there are, however, activists who strongly believe the opposite. ----- Original Message ----- From: "K. F. Etzold" <[log in to unmask]> To: <[log in to unmask]> Sent: Monday, December 29, 2008 12:46 PM Subject: Re: Amalgam fillings > The amalgam will form an alloy. As such there will be no Mercury vapor, > because the mercury is chemically bound to the other metals. The only > metal that can get into the body is then the composite material which is > abraded mechanically in the mouth. Whether the abraded amalgam is > decomposed into the constituents as it it passes through the body I don't > know but from a chemical point of view it is highly unlikely. > K. F. cg Carline > > Scott E Antes wrote: >> The composite fillings look more natural, and they don't leach mercury >> vapor. Scott >> >> > > ---------------------------------------------------------------------- > To sign-off Parkinsn send a message to: > mailto:[log in to unmask] > In the body of the message put: signoff parkinsn ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn