A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL

Jae-Seung Eun; Se-Hee Park; Kyung-Mo Cho; Jin-Woo Kim

doi:10.5395/JKACD.2009.34.6.508

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Original Article A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL: Jae-Seung Eun, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim^,*; Journal of Korean Academy of Conservative Dentistry 2009;34(6):508-514.
DOI: https://doi.org/10.5395/JKACD.2009.34.6.508
Published online: January 14, 2009

Department of Conservative Dentistry, Collage of Dentistry, Gangneung-Wonju National University

*Corresponding Author: Jin-Woo Kim, Department of Conservative Dentistry College of Dentistry, Gangnung-Wonju National University 123 Chibyon-dong Gangneung, Gangwon-do, Korea, Tel: 82-33-640-3189 Fax: 82-33-640-3103 E-mail: mendo7@nukw.ac.kr

• Received: September 8, 2009 • Revised: October 23, 2009 • Accepted: October 27, 2009

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abstract
REFERENCES
참고문헌

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^®; group 3 - EndoVac^®; group 4 - conventional method, patency; group 4 - EndoActivator^®, patency; group 6 - EndoVac^®, 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^®, EndoVac^® groups. There was no significant difference between EndoActivator^® and EndoVac^® 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^® and EndoVac^® 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

Figure 1.

Representative photograph of experimental groups.

Table 1.

Mean percentage of residual Ca(OH)₂ of each group.

Group	N	Mean(%)	Std. Deviation
1	10	60.77^a	10.94
2	10	27.04^b,c	15.35
3	10	24.07^c	9.44
4	10	44.99^a,b	17.2
5	10	13.17^c	8.85
6	10	11.02^c	6.88

Mean values followed by the same superscript letter were not significantly different (p>0.05) according to Scheffe post hoc multiple comparisons.

Table 2.

Statistical significance between no patency group and patency group

	No patency / Patency
Group 1 / Group 4	0.219
Group 2 / Group 5	0.087
Group 3 / Group 6	0.329

REFERENCES

참고문헌

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A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL

J Korean Acad Conserv Dent. 2009;34(6):508-514. Published online January 14, 2009

DOI: https://doi.org/10.5395/JKACD.2009.34.6.508

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Figure

A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL

Figure 1. Representative photograph of experimental groups.

Figure 1.

A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL

Group	N	Mean(%)	Std. Deviation
1	10	60.77^a	10.94
2	10	27.04^b,c	15.35
3	10	24.07^c	9.44
4	10	44.99^a,b	17.2
5	10	13.17^c	8.85
6	10	11.02^c	6.88

	No patency / Patency
Group 1 / Group 4	0.219
Group 2 / Group 5	0.087
Group 3 / Group 6	0.329

Table 1. Mean percentage of residual Ca(OH)2 of each group.

Mean values followed by the same superscript letter were not significantly different (p>0.05) according to Scheffe post hoc multiple comparisons.

Table 2. Statistical significance between no patency group and patency group