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The effect of dental amalgams on mercury levels in expired air.
The expired air of a group of 48 persons, 40 with and eight without dental amalgam restorations, was analyzed for its mercury content before and after chewing. Expired air samples were collected in polyethylene bags, and a known quantity of each was pumped into the mercury detector for measurement. The results showed that examined subjects with dental amalgams had higher pre-chewing mercury levels in their expired air than those without amalgams. After chewing, these levels were increased an average of 15.6-fold in the former and remained unchanged in the latter group. It was concluded that in situ dental amalgams can increase the level of mercury in expired air.
PMID: 6943160 [PubMed - indexed for MEDLINE]
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Cited by 4 PubMed Central articles
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The contribution of dental amalgam to urinary mercury excretion in children.
Woods JS, Martin MD, Leroux BG, DeRouen TA, Leitão JG, Bernardo MF, Luis HS, Simmonds PL, Kushleika JV, Huang Y.
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[Environ Health Perspect. 2007]
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Mercury and selenium in workers previously exposed to mercury vapour at a chloralkali plant.
Ellingsen DG, Holland RI, Thomassen Y, Landro-Olstad M, Frech W, Kjuus H.
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[Br J Ind Med. 1993]
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Mercury released from dental "silver" fillings provokes an increase in mercury- and antibiotic-resistant bacteria in oral and intestinal floras of primates.
Summers AO, Wireman J, Vimy MJ, Lorscheider FL, Marshall B, Levy SB, Bennett S, Billard L.
Antimicrob Agents Chemother. 1993 Apr; 37(4):825-34.
[Antimicrob Agents Chemother. 1993]
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