Laser-induced fluorescence and X-ray spectral analysis of carious process in hard dental tissues |
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Authors: | Lidman G Yu Larionov P M Savchenko S V Lushnikova E L Orishich A M Rozhin I A Malov A N Maslov N A Titov A T Kositsyna I G |
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Institution: | E. N. Meshalkin Institute of Circulatory Diseases, Novosibirsk, Russia. |
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Abstract: | Morphological and spectral X-ray analysis of carious and noncarious extracted teeth showed the patterns of dentin ossification
in caries of different degree. Parietal ectopic ossification of the canal and cavity lumens in stages III and IV dental caries
is regarded as a specific structural marker of pathological regeneration. The X-ray spectral analysis showed that the progress
of carious process is paralleled by loss of mineral components. Laser-induced fluorescent study of tissues in extracted teeth
showed 4 spectral bands corresponding to mineral and protein components of the tooth. The progress of carious process was
associated with reduction of the fluorescence intensities of the spectral bands characteristic of dental collagen and mineral
components. |
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