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Spectroscopic Study of Human Teeth and Blood from Visible to Terahertz Frequencies for Clinical Diagnosis of Dental Pulp Vitality

Hirmer, Marion ; Danilov, Sergey N. ; Giglberger, Stephan ; Putzger, Jürgen ; Niklas, Andreas ; Jäger, Andreas ; Hiller, Karl-Anton ; Löffler, Susanne ; Schmalz, Gottfried ; Redlich, Britta ; Schulz, Irene ; Monkman, Gareth ; Ganichev, Sergey


Transmission spectra of wet human teeth and dentin slices, together with blood of different flow rates were investigated. The measurements carried out over a wide spectral range, from visible light down to terahertz radiation. The results make it possible to find the optimum light frequency for an all-optical determination of pulpal blood flow and, consequently, for clinically diagnosis of tooth vitality.

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