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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Bilirubin pigmentation of human teeth caused by hyperbilirubinemia.

This study was conducted to identify bilirubin in deciduous teeth obtained from two patients with a history of severe liver dysfunction. Teeth were histologically analyzed and bilirubin was extracted and quantified spectrophotometrically. Histological analysis revealed a green line in the dentine running parallel to the incremental lines. A chloroform/methanol/acetic acid (30:10:0.5, v/v) extract of the teeth was evaporated and the residue dissolved in chloroform. Absorption spectra were prepared before and after the diazo reaction. The absorption maximum shifted from 450 nm before to 540 nm after the diazo reaction and was higher than that of normal deciduous teeth. These results indicate that the discolouration of teeth in patients with severe liver dysfunction is due to bilirubin deposition.[1]

References

  1. Bilirubin pigmentation of human teeth caused by hyperbilirubinemia. Watanabe, K., Shibata, T., Kurosawa, T., Morisaki, I., Kinehara, M., Igarashi, S., Arisue, M. J. Oral Pathol. Med. (1999) [Pubmed]
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