Bactericidal effect of the Nd:YAG lasers in laser-supported curettage

Norbert Gutknecht; Julia Fischer; Georg Conrads; Friedrich Lampert

doi:10.1117/12.273592

15 May 1997 Bactericidal effect of the Nd:YAG lasers in laser-supported curettage

Norbert Gutknecht, Julia Fischer, Georg Conrads, Friedrich Lampert

Proceedings Volume 2973, Lasers in Dentistry III; (1997) https://doi.org/10.1117/12.273592
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

In this study, the efficacy of laser-supported curettage was examined with relation to the periodontitis-reference germs. Initially, a manual subgingival curettage followed by irradiation using the Nd:YAG-laser was carried out on 18 diseased periodontia. At two further appointments with weekly intervals, only laser irradiation was performed. Prior to and upon completion of therapy, subgingival plaque samples were taken at each appointment from all the treated periodontia. These were then examined microbiologically to establish the number of prevotella intermedia. A distinct bacterial reduction as well as a decrease in recolonization was shown. In conclusion the application of the Nd:YAG laser with a 400 micron fiber and an energy setting of 2 watts, 20 pps is beneficial when used in conjunction with manual periodontal treatment because of its disinfecting effect.

Citation Download Citation

Norbert Gutknecht, Julia Fischer, Georg Conrads, and Friedrich Lampert "Bactericidal effect of the Nd:YAG lasers in laser-supported curettage", Proc. SPIE 2973, Lasers in Dentistry III, (15 May 1997); https://doi.org/10.1117/12.273592

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