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Effects of Root Canal Irrigants on the Push-out Strength and Hydration Behavior of Accelerated Mineral Trioxide Aggregate in its Early Setting Phase

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dc.contributor.authorHong, Seong-Tae-
dc.contributor.authorBae, Kwang-Shik-
dc.contributor.authorBaek, Seung-Ho-
dc.contributor.authorKum, Kee-Yeon-
dc.contributor.authorLee, WooCheol-
dc.contributor.authorShon, Won-Jun-
dc.date.accessioned2013-01-14T06:20:51Z-
dc.date.available2013-01-14T06:20:51Z-
dc.date.issued2010-12-
dc.identifier.citationJOURNAL OF ENDODONTICS; Vol.36, No.12, pp.1995-1999ko_KR
dc.identifier.issn0099-2399-
dc.identifier.urihttps://hdl.handle.net/10371/80406-
dc.description.abstractIntroduction: The purpose of this study was to evaluate the effects of enclodontic irrigants on the push-out strength and hydration behavior of accelerated mineral trioxide aggregate (MTA) in its early setting phase. Methods: In an in vitro perforation model, MTA with or without 10% CaCl(2) was condensed and allowed to initial set for 10 minutes. The samples were divided into four groups (n = 10) to be immersed into either 3.5% sodium hypochlorite (NaOCl) or 2% chlorhexidine gluconate (CHX) for 30 minutes and then allowed to set for 48 hours. In the control group, a wet cotton pellet was placed over MTA. The maximum force applied to the set MTA mixture before dislodgement was recorded. Irrigant-treated surfaces were examined using a scanning electron microscope (SEM). Chemical elements of these surfaces were also analyzed by energy dispersive x-ray spectroscope (EDS). Results: The push-out strength of group A1 (NaOCl-treated accelerated MTA) was the highest of all groups. When compared with nonaccelerated MTA, CaCl(2)-accelerated MTA showed significantly higher push-out strength (p < 0.05). NaOCl-treated groups showed significantly higher push-out strength than CHX-treated groups (p < 0.05). Scanning electron microscopic examination and EDS analysis showed that the formation of calcium hydroxide crystals on accelerated MTA exposed to NaOCl was increased compared with those of the control group. Conclusion: These findings imply that the use of accelerated MTA under the NaOCl irrigation was effective in perforation repair without altering its hydration behavior even in the early setting phase. (J Endod 2010;36:1995-1999)ko_KR
dc.language.isoenko_KR
dc.publisherELSEVIER SCIENCE INCko_KR
dc.subjectAccelerated mineral trioxide aggregateko_KR
dc.subjectpush-out strengthko_KR
dc.subjectperforation modelko_KR
dc.subjectcalcium hydroxide crystalko_KR
dc.subjecthydration behaviorko_KR
dc.titleEffects of Root Canal Irrigants on the Push-out Strength and Hydration Behavior of Accelerated Mineral Trioxide Aggregate in its Early Setting Phaseko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor홍성태-
dc.contributor.AlternativeAuthor배광식-
dc.contributor.AlternativeAuthor배승호-
dc.contributor.AlternativeAuthor금기연-
dc.contributor.AlternativeAuthor이우철-
dc.contributor.AlternativeAuthor손원준-
dc.identifier.doi10.1016/j.joen.2010.08.039-
dc.citation.journaltitleJOURNAL OF ENDODONTICS-
dc.description.tc3-
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