Interaction between silica and dentin during enlargement of a root canal with Nd:YAG laser beam during a fiber optic: an SEM evaluation

Guy C. Levy

doi:10.1117/12.137371

1 June 1992 Interaction between silica and dentin during enlargement of a root canal with Nd:YAG laser beam during a fiber optic: an SEM evaluation

Guy C. Levy

Author Affiliations +

Proceedings Volume 1643, Laser Surgery: Advanced Characterization, Therapeutics, and Systems III; (1992) https://doi.org/10.1117/12.137371
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Lasers are certainly a major expectation to improve the quality of endodontic preparation. Very little research has been published in the field of interaction between a laser beam and the dentin walls of a root canal. CO₂ lasers have been used to sterilize the periapical areas during apical surgeries. Dederich has demonstrated that the exposure of the dentin wall with a Nd-YAG laser beam gives a closure of the dentinal tubules and leads to a reduction in the permeability of the dentin walls to fluids or bacteria. The latest study has demonstrated that it was possible to enlarge a root canal with a Nd-YAG laser beam driven through a fiber optic. This technique improved the cleanliness of the canal after laser cleaning and shaping. This research demonstrated the interest in using a fiber optic during the canal preparation. Another interesting finding was the fact that the silica fiber was shortening itself during the endodontic procedure. The purpose of this study was to determine through an electron microscopic examination the interaction between the components of the fiber optic and canal walls during canal preparation.

Citation Download Citation

Guy C. Levy "Interaction between silica and dentin during enlargement of a root canal with Nd:YAG laser beam during a fiber optic: an SEM evaluation", Proc. SPIE 1643, Laser Surgery: Advanced Characterization, Therapeutics, and Systems III, (1 June 1992); https://doi.org/10.1117/12.137371

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