Pulsed Nd-YAG laser in endodontics

Brigitte Ragot-Roy; Claude Severin; Michel Maquin

doi:10.1117/12.197599

23 December 1994 Pulsed Nd-YAG laser in endodontics

Brigitte Ragot-Roy, Claude Severin, Michel Maquin

Proceedings Volume 2327, Medical Applications of Lasers II; (1994) https://doi.org/10.1117/12.197599
Event: International Symposium on Biomedical Optics Europe '94, 1994, Lille, France

Abstract

The purpose of this study was to establish an operative method in endodontics. The effect of a pulsed Nd:YAG laser on root canal dentin has been examined with a scanning electron microscope. Our first experimentation was to observe the impacts carried out perpendicularly to root canal surface with a 200 micrometers fiber optic in the presence of dye. Secondarily, the optical fiber was used as an endodontic instrument with black dye. The irradiation was performed after root canal preparation (15/100 file or 40/100 file) or directly into the canal. Adverse effects are observed. The results show that laser irradiation on root canal dentin surfaces induces a nonhomogeneous modified dentin layer, melted and resolidified dentin closed partially dentinal tubules. The removal of debris is not efficient enough. The laser treatment seems to be indicated only for endodontic and periapical spaces sterilization after conventional root canal preparation.

Citation Download Citation

Brigitte Ragot-Roy, Claude Severin, and Michel Maquin "Pulsed Nd-YAG laser in endodontics", Proc. SPIE 2327, Medical Applications of Lasers II, (23 December 1994); https://doi.org/10.1117/12.197599

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