[Comparative materials research on glass ionomer cements of different chemical compositions with reference to clinical findings].
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Biomedical subjects
Publications and source records attributed to H J Staehle.
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This study examined the correlation between dark pigmented dental plaque (black stain) and caries. Black stain was observed in 67 of 1086 schoolchildren (from 6-12 years old). The mean DMF-T was 0.49 = 1.05 for children with black stain and 0.97 = 1.40 for children with black without black stain (p<0.05). The results suggest an association between black stain and a decreased caries experience at least in the permanent dentition. Further studies are necessary to examine the etiology and whether or not black stain can protect against caries.
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