Email this article LASER-INDUCED FLUORESCENCE OF HARD DENTAL TISSUES
- Authors: Sarycheva I.N.1, Yanushevich O.O2, Minakov D.A3, Shulgin V.A4, Kashkarov V.M4
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Affiliations:
- БОУ ВПО Воронежская государственная медицинская академия имени Н.Н. Бурденко
- ГБОУ ВПО Московский государственный медико-стоматологический университет имени А.И. Евдокимова
- ВУНЦ ВВС Военно-воздушная академия
- ФГБОУ ВПО Воронежский государственный университет
- Issue: Vol 17, No 1 (2013)
- Pages: 17-21
- Section: Articles
- URL: https://journals.rcsi.science/1728-2802/article/view/39124
- DOI: https://doi.org/10.17816/dent.39124
- ID: 39124
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Abstract
Fluorescence spectra of enamel, dentin-enamel junction (DEJ), and dentin as well as various anatomic-morphological regions of intact teeth were obtained under excitation with the laser sources of 405, 445 and 532 nm wavelengths. It was observed that DEJ was characterized by the highest intensity of fluorescence while dental enamel demonstrated the least intensity; at the same time spectra shapes are very similar for all of the applied excitation sources. This makes it possible to make an assumption that the luminescence spectra in the enamel, dentin and DEJ are of the common nature. One can observe the shift of fluorescence peak towards long-wave range with the increase of the excitation wavelength. Intensity of fluorescence was shown to be considerably dependent on the area of the study. We made an assumption that fluorescence of the hard dental tissues is contributed by several endogenous phosphors, first of all, by structural agents of collagen and amelogenin, and also by non-stoichiometric crystals of hydroxyapatite.
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##article.viewOnOriginalSite##About the authors
Iraida Nikolaevna Sarycheva
БОУ ВПО Воронежская государственная медицинская академия имени Н.Н. Бурденко
Email: iraidaa@mail.ru
O. O Yanushevich
ГБОУ ВПО Московский государственный медико-стоматологический университет имени А.И. Евдокимова
D. A Minakov
ВУНЦ ВВС Военно-воздушная академия
V. A Shulgin
ФГБОУ ВПО Воронежский государственный университет
V. M Kashkarov
ФГБОУ ВПО Воронежский государственный университет
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