Zinc in primary teeth from children in Norway.
Identifieur interne : 000538 ( Main/Exploration ); précédent : 000537; suivant : 000539Zinc in primary teeth from children in Norway.
Auteurs : H M Tvinnereim [Norvège] ; R. Eide ; T. Riise ; G. Fosse ; G R WesenbergSource :
- The Science of the total environment [ 0048-9697 ] ; 1999.
Descripteurs français
- KwdFr :
- Alimentation en eau (analyse), Caries dentaires (métabolisme), Densité de population (MeSH), Dent de lait (composition chimique), Dent de lait (physiologie), Enfant (MeSH), Facteurs temps (MeSH), Humains (MeSH), Industrie (MeSH), Norvège (MeSH), Racine dentaire (composition chimique), Racine dentaire (métabolisme), Racine dentaire (physiologie), Spectrophotométrie atomique (MeSH), Zinc (analyse), Zinc (métabolisme), Études longitudinales (MeSH).
- MESH :
- analyse : Alimentation en eau, Zinc.
- composition chimique : Dent de lait, Racine dentaire.
- métabolisme : Caries dentaires, Racine dentaire, Zinc.
- physiologie : Dent de lait, Racine dentaire.
- Densité de population, Enfant, Facteurs temps, Humains, Industrie, Norvège, Spectrophotométrie atomique, Études longitudinales.
- Wicri :
- geographic : Norvège.
English descriptors
- KwdEn :
- Child (MeSH), Dental Caries (metabolism), Humans (MeSH), Industry (MeSH), Longitudinal Studies (MeSH), Norway (MeSH), Population Density (MeSH), Spectrophotometry, Atomic (MeSH), Time Factors (MeSH), Tooth Root (chemistry), Tooth Root (metabolism), Tooth Root (physiology), Tooth, Deciduous (chemistry), Tooth, Deciduous (physiology), Water Supply (analysis), Zinc (analysis), Zinc (metabolism).
- MESH :
- chemical , analysis : Zinc.
- chemical , metabolism : Zinc.
- geographic : Norway.
- analysis : Water Supply.
- chemistry : Tooth Root, Tooth, Deciduous.
- metabolism : Dental Caries, Tooth Root.
- physiology : Tooth Root, Tooth, Deciduous.
- Child, Humans, Industry, Longitudinal Studies, Population Density, Spectrophotometry, Atomic, Time Factors.
Abstract
Human primary teeth have been used as indicators of exposure to several heavy metals both in Norway and elsewhere. Local dentists in all 19 counties of Norway collected 2747 primary teeth during 1990-1994. Samples of tooth powder from whole, ground teeth were analyzed for zinc concentration by flame atomic absorption spectrophotometry. The overall geometrical mean was 144.5 micrograms of Zn/g of tooth substance (S.D. = 1.6). The result represents a small increase (5.2%) compared with a similar investigation in the 1970s. However, the mean zinc concentrations in the geographically matching parts of the two materials did not differ significantly. The variation in tooth zinc concentrations between the different counties declined from the 1970s to the 1990s. We found no correlation between the tooth zinc concentration and available environmental data on zinc in drinking-water, discharge of zinc from industrial point sources or population density in the same geographical areas. The zinc concentrations varied significantly with caries status, tooth type and root length. Few samples had a zinc concentration below 90 micrograms/g, indicating that most children consume sufficient zinc. Some very high values could not immediately be explained, but may be caused by contamination from zinc-containing dental restorations.
DOI: 10.1016/s0048-9697(98)00392-1
PubMed: 10085568
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Tvinnereim, H M" sort="Tvinnereim, H M" uniqKey="Tvinnereim H" first="H M" last="Tvinnereim">H M Tvinnereim</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Anatomy and Cell Biology, University of Bergen, Norway. helene.tvinnereim@odont.uib.no</nlm:affiliation>
<country xml:lang="fr">Norvège</country>
<wicri:regionArea>Department of Anatomy and Cell Biology, University of Bergen</wicri:regionArea>
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<author><name sortKey="Eide, R" sort="Eide, R" uniqKey="Eide R" first="R" last="Eide">R. Eide</name>
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<author><name sortKey="Riise, T" sort="Riise, T" uniqKey="Riise T" first="T" last="Riise">T. Riise</name>
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<author><name sortKey="Fosse, G" sort="Fosse, G" uniqKey="Fosse G" first="G" last="Fosse">G. Fosse</name>
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<author><name sortKey="Wesenberg, G R" sort="Wesenberg, G R" uniqKey="Wesenberg G" first="G R" last="Wesenberg">G R Wesenberg</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Child (MeSH)</term>
<term>Dental Caries (metabolism)</term>
<term>Humans (MeSH)</term>
<term>Industry (MeSH)</term>
<term>Longitudinal Studies (MeSH)</term>
<term>Norway (MeSH)</term>
<term>Population Density (MeSH)</term>
<term>Spectrophotometry, Atomic (MeSH)</term>
<term>Time Factors (MeSH)</term>
<term>Tooth Root (chemistry)</term>
<term>Tooth Root (metabolism)</term>
<term>Tooth Root (physiology)</term>
<term>Tooth, Deciduous (chemistry)</term>
<term>Tooth, Deciduous (physiology)</term>
<term>Water Supply (analysis)</term>
<term>Zinc (analysis)</term>
<term>Zinc (metabolism)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Alimentation en eau (analyse)</term>
<term>Caries dentaires (métabolisme)</term>
<term>Densité de population (MeSH)</term>
<term>Dent de lait (composition chimique)</term>
<term>Dent de lait (physiologie)</term>
<term>Enfant (MeSH)</term>
<term>Facteurs temps (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Industrie (MeSH)</term>
<term>Norvège (MeSH)</term>
<term>Racine dentaire (composition chimique)</term>
<term>Racine dentaire (métabolisme)</term>
<term>Racine dentaire (physiologie)</term>
<term>Spectrophotométrie atomique (MeSH)</term>
<term>Zinc (analyse)</term>
<term>Zinc (métabolisme)</term>
<term>Études longitudinales (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Zinc</term>
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<term>Zinc</term>
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<term>Tooth, Deciduous</term>
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<term>Zinc</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Dent de lait</term>
<term>Racine dentaire</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Tooth Root</term>
<term>Tooth, Deciduous</term>
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<term>Humans</term>
<term>Industry</term>
<term>Longitudinal Studies</term>
<term>Population Density</term>
<term>Spectrophotometry, Atomic</term>
<term>Time Factors</term>
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<term>Enfant</term>
<term>Facteurs temps</term>
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<term>Industrie</term>
<term>Norvège</term>
<term>Spectrophotométrie atomique</term>
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<front><div type="abstract" xml:lang="en">Human primary teeth have been used as indicators of exposure to several heavy metals both in Norway and elsewhere. Local dentists in all 19 counties of Norway collected 2747 primary teeth during 1990-1994. Samples of tooth powder from whole, ground teeth were analyzed for zinc concentration by flame atomic absorption spectrophotometry. The overall geometrical mean was 144.5 micrograms of Zn/g of tooth substance (S.D. = 1.6). The result represents a small increase (5.2%) compared with a similar investigation in the 1970s. However, the mean zinc concentrations in the geographically matching parts of the two materials did not differ significantly. The variation in tooth zinc concentrations between the different counties declined from the 1970s to the 1990s. We found no correlation between the tooth zinc concentration and available environmental data on zinc in drinking-water, discharge of zinc from industrial point sources or population density in the same geographical areas. The zinc concentrations varied significantly with caries status, tooth type and root length. Few samples had a zinc concentration below 90 micrograms/g, indicating that most children consume sufficient zinc. Some very high values could not immediately be explained, but may be caused by contamination from zinc-containing dental restorations.</div>
</front>
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<ArticleTitle>Zinc in primary teeth from children in Norway.</ArticleTitle>
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<Abstract><AbstractText>Human primary teeth have been used as indicators of exposure to several heavy metals both in Norway and elsewhere. Local dentists in all 19 counties of Norway collected 2747 primary teeth during 1990-1994. Samples of tooth powder from whole, ground teeth were analyzed for zinc concentration by flame atomic absorption spectrophotometry. The overall geometrical mean was 144.5 micrograms of Zn/g of tooth substance (S.D. = 1.6). The result represents a small increase (5.2%) compared with a similar investigation in the 1970s. However, the mean zinc concentrations in the geographically matching parts of the two materials did not differ significantly. The variation in tooth zinc concentrations between the different counties declined from the 1970s to the 1990s. We found no correlation between the tooth zinc concentration and available environmental data on zinc in drinking-water, discharge of zinc from industrial point sources or population density in the same geographical areas. The zinc concentrations varied significantly with caries status, tooth type and root length. Few samples had a zinc concentration below 90 micrograms/g, indicating that most children consume sufficient zinc. Some very high values could not immediately be explained, but may be caused by contamination from zinc-containing dental restorations.</AbstractText>
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