Wpływ terapii fotodynamicznej (PDT) na biofilm Enterococcus faecalis w pierwotnych i wtórnych zakażeniach doświadczalnych kanału korzeniowego
Conclusion
PDT reduces E. faecalis in infected primary infections and retreated root canals. However, irrigation with 3% sodium hypochlorite is more effective in eliminating E. faecalis compared to PDT. PDT was able to eliminate E. faecalis from remaining root canal filling material on the root canal wall more effectively compared to 3% NaOCl.
PDT is not an alternative but an effective supplement in root canal disinfection, especially in cases of retreatments. Disruption of the biofilm prior to PDT and the adjunct use of a sodium hypochlorite based conventional approach remain mandatory.
Acknowledgement
The authors thank Dr. Susanne Stampf and Kirstin Vach (Institute of Medical Biometry and Medical Informatics, University of Freiburg - Medical Center, Stefan-Meier-Str. 26, 79104 Freiburg, Germany) for the assistance with the statistics for this study. The authors also thank Dr. Frank Schynowski (Cumdente, Tübingen, Germany) for providing the PDT system (PACT200, Cumdente, Tübingen, Germany) for the study and Anja Storck for assisting in SEM analysis of the specimens and material samples.
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