Optodynamic Phenomena During Laser-Activated Irrigation Within Root Canals |
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Authors: | Nejc Lukač Peter Gregorčič Matija Jezeršek |
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Affiliation: | 1.Faculty of Mechanical Engineering,University of Ljubljana,Ljubljana,Slovenia |
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Abstract: | Laser-activated irrigation is a powerful endodontic treatment for smear layer, bacteria, and debris removal from the root canal. In this study, we use shadow photography and the laser-beam-transmission probe to examine the dynamics of laser-induced vapor bubbles inside a root canal model and compare ultrasonic needle irrigation to the laser method. Results confirm important phenomenological differences in the two endodontic methods with the laser method resulting in much deeper irrigation. Observations of simulated debris particles show liquid vorticity effects which in our opinion represents the major cleaning mechanism. |
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