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

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


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.


Infrared and terahertz transmission Dentin Lentic or flowing blood Dental pulp vitality 



Support by the DFG (projects GA-501/10, SCHM 386/3 and MO 2196/1) and the Linkage Grant of IB of BMBF at DLR is greatfully acknowledged.


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Marion Hirmer
    • 1
  • Sergey N. Danilov
    • 1
  • Stephan Giglberger
    • 1
  • Jürgen Putzger
    • 1
  • Andreas Niklas
    • 2
  • Andreas Jäger
    • 2
  • Karl-Anton Hiller
    • 2
  • Susanne Löffler
    • 2
  • Gottfried Schmalz
    • 2
  • Britta Redlich
    • 3
  • Irene Schulz
    • 4
  • Gareth Monkman
    • 4
  • Sergey D. Ganichev
    • 1
  1. 1.Terahertz CenterUniversity of RegensburgRegensburgGermany
  2. 2.Department of Operative Dentistry and PeriodontologyUniversity Hospital RegensburgRegensburgGermany
  3. 3.FOM Institute for Plasma Physics RijnhuizenNieuwegeinThe Netherlands
  4. 4.Mechatronics Research Unit, Faculty for Electrical EngineeringUniversity of Applied SciencesRegensburgGermany

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