Fluoride content of water, dust, soils and cereals in the endemic dental fluorosis area of Khouribga (Morocco)
Identifieur interne : 001427 ( Main/Exploration ); précédent : 001426; suivant : 001428Fluoride content of water, dust, soils and cereals in the endemic dental fluorosis area of Khouribga (Morocco)
Auteurs : Y. Haikel [France] ; J. C. Voegel [France] ; R. M. Frank [France]Source :
- Archives of Oral Biology [ 0003-9969 ] ; 1986.
Abstract
The fluoride contents of drinking water, dust, soil, straw, raw barley (ears and stems) and barley grains in Khouribga were compared with those from Beni-Mellal, 90 km east of Khouribga where no fluorosis occurs. Identical fluoride levels were found in water samples from both areas, whereas high amounts of F− were in soil, dust, dried straw and dried barley grown in Khouribga. Equilibrated with water, large phosphate rock particles, probably of francolite, and smaller phosphate particles of clay-contaminated francolite, randomly collected in the factories of Khouribga never contained more than 1.2 parts/106F−. Unwashed samples of straw and whole barley had a higher F− content than washed samples. The marked fluorosis in herbivores of the Khouribga area comes more from the ingestion of dust-contaminated food (unwashed straw and unwashed raw barley) with a high fluoride content than from inhalation of fluoride-containing dust. By contrast, the endemic human fluorosis in the same region is mostly due to inhalation of fluoride-containing phosphate dust, and not to fluoride in the drinking water and only exceptionally to fluoride deposited during storage onto cereals, because grains grown in Khouribga have a low fluoride content.
Url:
DOI: 10.1016/0003-9969(86)90041-5
Affiliations:
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Frank</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:52E3ACC1473F65EEB059CF2063B62C224BF68FFE</idno><date when="1986" year="1986">1986</date><idno type="doi">10.1016/0003-9969(86)90041-5</idno><idno type="url">https://api.istex.fr/document/52E3ACC1473F65EEB059CF2063B62C224BF68FFE/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001659</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001659</idno><idno type="wicri:Area/Istex/Curation">001134</idno><idno type="wicri:Area/Istex/Checkpoint">000C94</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000C94</idno><idno type="wicri:doubleKey">0003-9969:1986:Haikel Y:fluoride:content:of</idno><idno type="wicri:Area/Main/Merge">001496</idno><idno type="wicri:Area/Main/Curation">001427</idno><idno type="wicri:Area/Main/Exploration">001427</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Fluoride content of water, dust, soils and cereals in the endemic dental fluorosis area of Khouribga (Morocco)</title><author><name sortKey="Haikel, Y" sort="Haikel, Y" uniqKey="Haikel Y" first="Y." last="Haikel">Y. Haikel</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Unité de Recherches INSERM U157, Faculté de Chirurgie Dentaire, 4 Rue Kirschleger, 67000 Strasbourg</wicri:regionArea><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Voegel, J C" sort="Voegel, J C" uniqKey="Voegel J" first="J. C." last="Voegel">J. C. 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Identical fluoride levels were found in water samples from both areas, whereas high amounts of F− were in soil, dust, dried straw and dried barley grown in Khouribga. Equilibrated with water, large phosphate rock particles, probably of francolite, and smaller phosphate particles of clay-contaminated francolite, randomly collected in the factories of Khouribga never contained more than 1.2 parts/106F−. Unwashed samples of straw and whole barley had a higher F− content than washed samples. The marked fluorosis in herbivores of the Khouribga area comes more from the ingestion of dust-contaminated food (unwashed straw and unwashed raw barley) with a high fluoride content than from inhalation of fluoride-containing dust. By contrast, the endemic human fluorosis in the same region is mostly due to inhalation of fluoride-containing phosphate dust, and not to fluoride in the drinking water and only exceptionally to fluoride deposited during storage onto cereals, because grains grown in Khouribga have a low fluoride content.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Alsace (région administrative)</li><li>Grand Est</li></region><settlement><li>Strasbourg</li></settlement></list><tree><country name="France"><region name="Grand Est"><name sortKey="Haikel, Y" sort="Haikel, Y" uniqKey="Haikel Y" first="Y." last="Haikel">Y. Haikel</name></region><name sortKey="Frank, R M" sort="Frank, R M" uniqKey="Frank R" first="R. M." last="Frank">R. M. Frank</name><name sortKey="Voegel, J C" sort="Voegel, J C" uniqKey="Voegel J" first="J. C." last="Voegel">J. C. Voegel</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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