THE STUDY OF CARIOUS TEETH BY LASER-INDUCED BREAKDOWN SPECTROSCOPY
Abstract
The aim of this work is a multi-component analysis of the element composition of the enamel and carious parts of teeth and the quantification of enamel demineralization using laser-induced breakdown spectroscopy (LIBS). For each tooth the P/Ca ratios of the emission line intensities in the enamel part and those in the carious regions were compared. Since zinc is a trace element, the same procedure was performed for Zn/Ca ratios in the enamel and carious parts. These comparisons showed that the mineral loss from carious lesions occurs at different rates for the studied elements. Calcium has the highest casualty rate. On the other hand, the zinc level diminishes also in the carious region but at a lower rate. The lines were obtained from plume plasma emission generated on the enamel and carious regions.
About the Authors
S. . Hamzaoui
University of Tunis El Manar
Russian Federation
Russian Federation
R. . Nouir
Institute of Medical Technologies of Tunis, University of Tunis El Manar
Russian Federation
Russian Federation
N. . Jaidene
University of Tunis El Manar
Russian Federation
Russian Federation
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Review
For citations:
Hamzaoui S., Nouir R., Jaidene N. THE STUDY OF CARIOUS TEETH BY LASER-INDUCED BREAKDOWN SPECTROSCOPY. Zhurnal Prikladnoii Spektroskopii. 2017;84(1):96-100. (In Russ.)
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