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Proceedings Paper

Interaction between silica and dentin during enlargement of a root canal with Nd:YAG laser beam during a fiber optic: an SEM evaluation
Author(s): Guy C. Levy
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Paper 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.

Paper Details

Date Published: 1 June 1992
PDF: 6 pages
Proc. SPIE 1643, Laser Surgery: Advanced Characterization, Therapeutics, and Systems III, (1 June 1992); doi: 10.1117/12.137371
Show Author Affiliations
Guy C. Levy, Loma Linda Univ. (France)

Published in SPIE Proceedings Vol. 1643:
Laser Surgery: Advanced Characterization, Therapeutics, and Systems III
R. Rox Anderson, Editor(s)

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