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Article: Ultrastructure of smear layer-covered intraradicular dentin after irrigation with BioPure MTAD

TitleUltrastructure of smear layer-covered intraradicular dentin after irrigation with BioPure MTAD
Authors
KeywordsEDTA
Endodontic smear layer
Intraradicular dentin hybridization
MTAD
NaOCl
Issue Date2006
PublisherElsevier Inc. The Journal's web site is located at http://www.jendodon.com
Citation
Journal Of Endodontics, 2006, v. 32 n. 3, p. 218-221 How to Cite?
AbstractThe structure of mechanically instrumented intraradicular dentin after irrigation with NaOCl as the initial rinse and BioPure MTAD as the final rinse were examined from the coronal, middle, and apical parts of root canal walls using transmission electron microscopy. Sterile distilled water and EDTA as final rinses were employed as the respective positive and negative controls under the same experimental conditions. There were 2 to 5 μm thick smear layers produced on mechanically instrumented root canal walls that were completely removed by EDTA and BioPure MTAD under agitation. Both irrigants created a zone of demineralized collagen matrices in eroded dentin and around the dentinal tubules, with the mildly acidic BioPure MTAD being more aggressive than EDTA. These demineralized dentin zones create the opportunity for dentin hybridization by infiltration of hydrophilic adhesives/sealers. However, the potential consequences of compaction of hydrophobic sealers against air-dried, collapsed collagen matrices, and hydrolytic degradation of incompletely infiltrated matrices remain unresolved. Copyright © 2006 by the American Association of Endodontists.
Persistent Identifierhttp://hdl.handle.net/10722/67065
ISSN
2015 Impact Factor: 2.904
2015 SCImago Journal Rankings: 1.681
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTay, FRen_HK
dc.contributor.authorPashley, DHen_HK
dc.contributor.authorLoushine, RJen_HK
dc.contributor.authorDoyle, MDen_HK
dc.contributor.authorGillespie, WTen_HK
dc.contributor.authorWeller, RNen_HK
dc.contributor.authorKing, NMen_HK
dc.date.accessioned2010-09-06T05:51:40Z-
dc.date.available2010-09-06T05:51:40Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Endodontics, 2006, v. 32 n. 3, p. 218-221en_HK
dc.identifier.issn0099-2399en_HK
dc.identifier.urihttp://hdl.handle.net/10722/67065-
dc.description.abstractThe structure of mechanically instrumented intraradicular dentin after irrigation with NaOCl as the initial rinse and BioPure MTAD as the final rinse were examined from the coronal, middle, and apical parts of root canal walls using transmission electron microscopy. Sterile distilled water and EDTA as final rinses were employed as the respective positive and negative controls under the same experimental conditions. There were 2 to 5 μm thick smear layers produced on mechanically instrumented root canal walls that were completely removed by EDTA and BioPure MTAD under agitation. Both irrigants created a zone of demineralized collagen matrices in eroded dentin and around the dentinal tubules, with the mildly acidic BioPure MTAD being more aggressive than EDTA. These demineralized dentin zones create the opportunity for dentin hybridization by infiltration of hydrophilic adhesives/sealers. However, the potential consequences of compaction of hydrophobic sealers against air-dried, collapsed collagen matrices, and hydrolytic degradation of incompletely infiltrated matrices remain unresolved. Copyright © 2006 by the American Association of Endodontists.en_HK
dc.languageengen_HK
dc.publisherElsevier Inc. The Journal's web site is located at http://www.jendodon.comen_HK
dc.relation.ispartofJournal of Endodonticsen_HK
dc.subjectEDTAen_HK
dc.subjectEndodontic smear layeren_HK
dc.subjectIntraradicular dentin hybridizationen_HK
dc.subjectMTADen_HK
dc.subjectNaOClen_HK
dc.subject.meshCitric Acid - pharmacology-
dc.subject.meshDental Pulp Cavity - drug effects - ultrastructure-
dc.subject.meshDoxycycline - pharmacology-
dc.subject.meshPolysorbates - pharmacology-
dc.subject.meshRoot Canal Irrigants - pharmacology-
dc.titleUltrastructure of smear layer-covered intraradicular dentin after irrigation with BioPure MTADen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0099-2399&volume=32&issue=3&spage=218&epage=221&date=2006&atitle=Ultrastructure+of+smear+layer-covered+intraradicular+dentin+after+irrigation+with+BioPure+MTADen_HK
dc.identifier.emailKing, NM: hhdbknm@hkucc.hku.hken_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.joen.2005.10.035en_HK
dc.identifier.pmid16500230-
dc.identifier.scopuseid_2-s2.0-33644526934en_HK
dc.identifier.hkuros161675en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33644526934&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume32en_HK
dc.identifier.issue3en_HK
dc.identifier.spage218en_HK
dc.identifier.epage221en_HK
dc.identifier.isiWOS:000235786100011-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTay, FR=7102091962en_HK
dc.identifier.scopusauthoridPashley, DH=35448600800en_HK
dc.identifier.scopusauthoridLoushine, RJ=6603903735en_HK
dc.identifier.scopusauthoridDoyle, MD=12752633400en_HK
dc.identifier.scopusauthoridGillespie, WT=12752512800en_HK
dc.identifier.scopusauthoridWeller, RN=7201400663en_HK
dc.identifier.scopusauthoridKing, NM=7201762850en_HK

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