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http://dx.doi.org/10.5395/JKACD.2009.34.6.508

A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL  

Eun, Jae-Seung (Department of Conservative Dentistry, Collage of Dentistry, Gangneung-Wonju National University)
Park, Se-Hee (Department of Conservative Dentistry, Collage of Dentistry, Gangneung-Wonju National University)
Cho, Kyung-Mo (Department of Conservative Dentistry, Collage of Dentistry, Gangneung-Wonju National University)
Kim, Jin-Woo (Department of Conservative Dentistry, Collage of Dentistry, Gangneung-Wonju National University)
Publication Information
Restorative Dentistry and Endodontics / v.34, no.6, 2009 , pp. 508-514 More about this Journal
Abstract
The purposes of this study were to compare the efficacy of irrigation systems by removing a calcium hydroxide $(Ca(OH)_2)$ paste from the apical third of the root canal and the effect of the patency file. Sixty single rooted human teeth were used in this study. The canals were instrumented by a crown-down manner with .04 taper ProFile to ISO #35. $Ca(OH)_2$ and distilled water were mixed and placed inside the root canals. The teeth were divided into 6 groups according to the root canal irrigation system and the use of patency file as follows: group 1 - conventional method: group 2 - $EndoActivator^{(R)}$: group 3 - $EndoVac^{(R)}$; group 4 - conventional method, patency: group 4 - $EndoActivator^{(R)}$, patency; group 6 - $EndoVac^{(R)}$, patency. All teeth were irrigated with sodium hypochlorite. After the root canal irrigation, the teeth were split in bucco-lingual aspect. Percentage of the root canal surface coverage with residual $Ca(OH)_2$ until 3 mm from working length was analyzed using Image Pro Plus ver. 4.0. Statistical analysis was performed using the One-way ANOVA, t-test and Scheffe's post-hoc test. Conventional groups had significantly more $Ca(OH)_2$ debris than $EndoActivator^{(R)}$, $EndoVac^{(R)}$ groups. There was no significant difference between $EndoActivator^{(R)}$ and $EndoVac^{(R)}$ groups. Groups with patency file showed more effective in removing $Ca(OH)_2$ paste than no patency groups. but. it was no significant difference. This study showed that $EndoActivator^{(R)}$ and $EndoVac^{(R)}$ systems were more effective in removing $Ca(OH)_2$ paste from the apical third of the root canal than conventional method.
Keywords
Calcium hydroxide; Irrigation; Apical third; Patency; EndoActivator; EndoVac;
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Times Cited By KSCI : 3  (Citation Analysis)
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