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Proceedings Paper

The impact of laser irradiation during antimicrobial photodynamic therapy in an artificial biofilm model
Author(s): Martin Schneider; Gregor Kirfel; Michael Berthold; Olivier Brede; Matthias Frentzen; Andreas Braun
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Paper Abstract

The aim of the study was to assess the impact of laser irradiation during antimicrobial photodynamic therapy. Test chambers containing each a salivary pellicle layer and a Stretococcus mutans culture were analyzed using confocal laser microscopy after adding a photosensitizer. Half of the chambers were irradiated with a diode laser. Comparing baseline fluorescence with the values after laser irradiation, a decrease of fluorescence could be observed. The non-irradiated group showed a slight increase of fluorescence. The present study indicates that laser irradiation is an essential part to reduce bacteria by antimicrobial photodynamic therapy.

Paper Details

Date Published: 18 February 2011
PDF: 5 pages
Proc. SPIE 7884, Lasers in Dentistry XVII, 78840W (18 February 2011); doi: 10.1117/12.873792
Show Author Affiliations
Martin Schneider, Univ. Dental Clinic Bonn (Germany)
Gregor Kirfel, Univ. of Bonn (Germany)
Michael Berthold, Univ. Dental Clinic Bonn (Germany)
Olivier Brede, Univ. Dental Clinic Bonn (Germany)
Matthias Frentzen, Univ. Dental Clinic Bonn (Germany)
Andreas Braun, Univ. Dental Clinic Bonn (Germany)

Published in SPIE Proceedings Vol. 7884:
Lasers in Dentistry XVII
Peter Rechmann D.D.S.; Daniel Fried, Editor(s)

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