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A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant

BACKGROUND: The aim of this study was to compare manual needle irrigation (MNI), RinsEndo (RE), and passive ultrasonic irrigation (PUI), and assess the effect of gravity on extrusion from the apex in vitro. MATERIAL AND METHODS: The distobuccal roots of molars were used and the canals were instrumen...

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Autores principales: Uzunoglu, Emel, Görduysus, Melahat, Görduysus, Ömer
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medicina Oral S.L. 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4483327/
https://www.ncbi.nlm.nih.gov/pubmed/26155336
http://dx.doi.org/10.4317/jced.52158
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author Uzunoglu, Emel
Görduysus, Melahat
Görduysus, Ömer
author_facet Uzunoglu, Emel
Görduysus, Melahat
Görduysus, Ömer
author_sort Uzunoglu, Emel
collection PubMed
description BACKGROUND: The aim of this study was to compare manual needle irrigation (MNI), RinsEndo (RE), and passive ultrasonic irrigation (PUI), and assess the effect of gravity on extrusion from the apex in vitro. MATERIAL AND METHODS: The distobuccal roots of molars were used and the canals were instrumented up to F2. Teeth were mounted on models, which permitted visualization and manipulation of the apices for necessary procedures. The models were placed in articulator to simulate the jaw. Six groups (G) were formed as: G1, G2 and G3 represented mandibular positioning of teeth and were irrigated with MNI, RE, and PUI, respectively, while G4, G5, and G6 represented maxillary positioning of teeth and were also irrigated in same sequence. Prior to the final irrigation, 72 cube-shaped foam pieces covered with aluminum foil were weighed and the values were recorded as the initial weights. The cubes were then placed on the apical part of each sample. Final irrigation was performed with distilled water and the cubes were weighed again to determine their final weight. Data were analyzed using Kruskal-Wallis and Mann-Whitney U post-hoc test (p<0.05). RESULTS: Irrespective of the irrigation technique used, the amount of irrigant extruded from the apex showed a statistically significant difference related to the effect of gravity (p<0.05). There was no statistically significant difference between irrigation methods (p>0.05). When the irrigation systems were compared to examine the effect of gravity, the significant difference was found between G2 and G5 (p<0.05). CONCLUSIONS: Within the limitations of this study, MNI and PUI were found to be reliable irrigation systems. Caution should be exercised when using RinsEndo. Key words:Final irrigation, manual needle irrigation, passive ultrasonic irrigation, RinsEndo.
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spelling pubmed-44833272015-07-07 A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant Uzunoglu, Emel Görduysus, Melahat Görduysus, Ömer J Clin Exp Dent Research BACKGROUND: The aim of this study was to compare manual needle irrigation (MNI), RinsEndo (RE), and passive ultrasonic irrigation (PUI), and assess the effect of gravity on extrusion from the apex in vitro. MATERIAL AND METHODS: The distobuccal roots of molars were used and the canals were instrumented up to F2. Teeth were mounted on models, which permitted visualization and manipulation of the apices for necessary procedures. The models were placed in articulator to simulate the jaw. Six groups (G) were formed as: G1, G2 and G3 represented mandibular positioning of teeth and were irrigated with MNI, RE, and PUI, respectively, while G4, G5, and G6 represented maxillary positioning of teeth and were also irrigated in same sequence. Prior to the final irrigation, 72 cube-shaped foam pieces covered with aluminum foil were weighed and the values were recorded as the initial weights. The cubes were then placed on the apical part of each sample. Final irrigation was performed with distilled water and the cubes were weighed again to determine their final weight. Data were analyzed using Kruskal-Wallis and Mann-Whitney U post-hoc test (p<0.05). RESULTS: Irrespective of the irrigation technique used, the amount of irrigant extruded from the apex showed a statistically significant difference related to the effect of gravity (p<0.05). There was no statistically significant difference between irrigation methods (p>0.05). When the irrigation systems were compared to examine the effect of gravity, the significant difference was found between G2 and G5 (p<0.05). CONCLUSIONS: Within the limitations of this study, MNI and PUI were found to be reliable irrigation systems. Caution should be exercised when using RinsEndo. Key words:Final irrigation, manual needle irrigation, passive ultrasonic irrigation, RinsEndo. Medicina Oral S.L. 2015-04-01 /pmc/articles/PMC4483327/ /pubmed/26155336 http://dx.doi.org/10.4317/jced.52158 Text en Copyright: © 2015 Medicina Oral S.L. http://creativecommons.org/licenses/by/2.5/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research
Uzunoglu, Emel
Görduysus, Melahat
Görduysus, Ömer
A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title_full A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title_fullStr A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title_full_unstemmed A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title_short A comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
title_sort comparison of different irrigation systems and gravitational effect on final extrusion of the irrigant
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4483327/
https://www.ncbi.nlm.nih.gov/pubmed/26155336
http://dx.doi.org/10.4317/jced.52158
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