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Zentralbl Hyg Umweltmed. 1996 Nov;199(1):69-75.

[Influence of chewing gum consumption and dental contact of amalgam fillings to different metal restorations on urine mercury content].

[Article in German]

Author information

1
Abteilung für Allgemeine Hygiene und Umweltmedizin, Zentrum Umwelt- und Arbeitsmedizin, Universität Göttingen.

Abstract

It had been shown previously by various authors that contact of amalgam fillings to metal fillings of different type can increase the electrochemically caused amalgam corrosion in vitro thus leading to an elevated release of mercury. So it was recommended to renounce of a dental contact of amalgam to metal fillings of other type. One aim of the present study was to evaluate possible influences of this contact in vivo on the urinary mercury contents in human volunteers. Neither approximal nor occlusal contacts had any influence on the urinary mercury excretion in comparison to a reference group with similar amalgam status. Furthermore, the influence of gum chewing on urinary mercury levels was taken into account. It could be shown that the consumption of chewing gum resulted in a significantly higher mean urinary mercury content in probands with amalgam fillings in comparison to people with similar amalgam status (gum chewers: 1.36 Hg/24 h vs. non-chewers 0.70 microgram Hg/24 h). Thus, gum chewing has to be considered as important parameter of influence on the urinary mercury levels of people with amalgam fillings.

PMID:
9409909
[Indexed for MEDLINE]

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