Excitation-emission fluorescence spectroscopy and time-gated Raman microscopy analysis of dental tissues
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We applied two new spectroscopic techniques (time-gated Raman microscopy and excitation-emission fluorescence microspectroscopy) to characterize healthy and carious dental tissues. These methods were used together with visual inspection, DIAGNOdent, optical polarization microscopy, scanning electron microscopy, and chemical microanalysis to get a more detailed picture of chemical and structural transformations in dental tissues as a result of caries development.