Bactericidal Effects of Diode Laser Irradiation on Enterococcus faecalis Using Periapical Lesion Defect Model
2011

Effects of Diode Laser on Bacteria in Root Canals

publication Evidence: moderate

Author Information

Author(s): Nagayoshi Masato, Nishihara Tatsuji, Nakashima Keisuke, Iwaki Shigetsugu, Chen Ker-Kong, Terashita Masamichi, Kitamura Chiaki

Primary Institution: Kyushu Dental College

Hypothesis

Can diode laser irradiation combined with a photosensitizer effectively reduce the viability of Enterococcus faecalis in periapical lesions?

Conclusion

Diode laser irradiation with a photosensitizer significantly reduces the viability of Enterococcus faecalis, suggesting it may be a useful treatment for periapical lesions.

Supporting Evidence

  • The combination of a photosensitizer and laser irradiation significantly reduced E. faecalis viability.
  • Irrigation with saline did not have an antimicrobial effect.
  • NaOCl completely eliminated E. faecalis in the study.

Takeaway

Using a special light and a dye can help kill bad bacteria in teeth without hurting the surrounding tissue.

Methodology

The study used an in vitro model to test the effects of diode laser irradiation combined with a photosensitizer on Enterococcus faecalis.

Limitations

The study was conducted in vitro, which may not fully replicate in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.5402/2011/870364

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