| Dental fluorosis and caries experience in relation to three different drinking water fluoride levels in South Africa. | |
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MedLine Citation:
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PMID: 11572269 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The purpose of this study was to determine the relationship between caries experience, degree of fluorosis and different concentrations of fluoride in the drinking water of children. SAMPLE AND METHODS: The study included 282 children aged 10-15 years, who lived continuously since birth in three different naturally fluoridated areas (Leeu Gamka, 3.0; Kuboe 0.48 and Sanddrif 0.19 p.p.m. F), with virtually no dental care or any fluoride therapy The teeth of the children were examined for caries using the DMFT index according to th WHO criteria and for fluorosis, using Dean's criteria according to the WHO guidelines. RESULTS: The prevalence of fluorosis (scores 2, 3, 4 and 5) among the school children was 47% in Sanddrif, 50% in Kuboes and 95% in Leeu Gamka. Almost half the children in the two low fluoride areas had no fluorosis (scores 0 and 1), whereas only 5% in Leeu Gamka had no fluorosis. Of the children in Sanddrif, 42.5% had very mild/mild (scores 2 and 3) fluorosis, 44.3% in Kuboes and 34.1% in Leeu Gamka. Except for one individual in Kuboes, severe fluorosis (score 5) was only observed in the high fluoride area in 30% of the children. According to the Bonferroni adaptation for multiple comparisons, the degree of fluorosis in Leeu Gamka differed significantly from both those of Sanddrif and Kuboes. The mean DMFT for the children in Sanddrif and Kuboe was similar (164 +/- 0.30 and 1.54 +/- 0.24, respectively) but the caries experience of Leeu Gamka (198 +/- 0.22) was significantly higher (P < 0.05) than that of both the other two areas. A strong positive correlation (P < 0.05) was found between the caries experience and the fluorosis scores of children in the high fluoride area (Leeu Gamka) but no correlation could be found in the other two areas. Significantly (P < 0.01) more children had decayed teeth in the high F area (Leeu Gamka) than in the other two areas. CONCLUSION: The results suggest a positive association between high F levels in the drinking water and dental caries. Furthermore, a low caries experience and no difference in DMFT and fluorosis between the two low fluoride areas were found. |
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Authors:
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S R Grobleri; A J Louw; T J van Kotze |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: International journal of paediatric dentistry / the British Paedodontic Society [and] the International Association of Dentistry for Children Volume: 11 ISSN: 0960-7439 ISO Abbreviation: Int J Paediatr Dent Publication Date: 2001 Sep |
Date Detail:
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Created Date: 2001-09-26 Completed Date: 2001-12-04 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9107511 Medline TA: Int J Paediatr Dent Country: England |
Other Details:
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Languages: eng Pagination: 372-9 Citation Subset: D |
Affiliation:
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Oral and Dental Research Institute, University of Stellenbosch, Faculty of Dentistry, Tygerberg, South Africa. srg@maties.sun.ac.za |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Cariostatic Agents / adverse effects, analysis* Chi-Square Distribution Child DMF Index Dental Caries / classification* Female Fluorides / adverse effects, analysis* Fluorosis, Dental / classification* Humans Male Observer Variation Prevalence Reproducibility of Results South Africa Statistics as Topic Statistics, Nonparametric Water Supply / analysis* |
| Chemical | |
Reg. No./Substance:
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0/Cariostatic Agents; 0/Fluorides |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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