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In vitro study of the erbium:yttrium aluminum garnet laser cleaning of root canal by the use of shadow photography
ID Gregorčič, Peter (Author), ID Lukač, Nejc (Author), ID Možina, Janez (Author), ID Jezeršek, Matija (Author)

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Abstract
Erbium:yttrium aluminum garnet laser cleaning is a promising technique in endodontic treatment. In our in vitro study, we measured the vapor-bubble dynamics in the root canal by using shadow photography. The canal model was made of a plastic cutout placed between two transparent glass plates. An artificial smear layer was applied to the glass to study cleaning efficiency. In our results, no shock waves have been observed, since the pulp-chamber dimensions have been in the same range as the maximum diameter of the vapor bubble. This leads to the conclusion that shock waves are not the main cleaning mechanism within our model. However, the cleaning effects are also visible in the regions significantly below the bubble. Therefore, it can be concluded that fluid flow induced by the bubble%s oscillations contributes significantly to the canal cleaning. We also proposed a simple theoretical model for cleaning efficiency and used it to evaluate the measured data.

Language:English
Keywords:Er:YAG lasers, glasses, lasers, photography, water, transmittance
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Author Accepted Manuscript
Year:2016
Number of pages:Str. 1-7
Numbering:Vol. 21, iss. 1
PID:20.500.12556/RUL-105468 This link opens in a new window
UDC:535:61(045)
ISSN on article:1083-3668
DOI:10.1117/1.JBO.21.1.015008 This link opens in a new window
COBISS.SI-ID:14461979 This link opens in a new window
Publication date in RUL:30.11.2018
Views:1572
Downloads:515
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Record is a part of a journal

Title:Journal of biomedical optics
Shortened title:J. biomed. opt.
Publisher:SPIE--the International Society for Optical Engineering, International Biomedical Optics Society
ISSN:1083-3668
COBISS.SI-ID:18188071 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:optodinamika, Er:YAG laserji, laserji v medicini

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P2-0392
Name:Optodinamika

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