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Article: Application of biologically-oriented dentin bonding principles to the use of endodontic irrigants

TitleApplication of biologically-oriented dentin bonding principles to the use of endodontic irrigants
Authors
KeywordsCollagen - drug effects
Dental Leakage - etiology
Dentin Permeability - drug effects
Dentin-Bonding Agents
Root Canal Irrigants - adverse effects
Issue Date2005
PublisherAmerican Journal of Dentistry. The Journal's web site is located at http://www.amjdent.com
Citation
American Journal of Dentistry, 2005, v. 18 n. 4, p. 281-290 How to Cite?
AbstractPURPOSE: To compare the removal of smear layer and the structure of the hybrid layer formed after the use of EDTA or MTAD solutions when used as a final flush. METHODS: Single-rooted extracted premolars (n=18) were collected and treated for root canal therapy using NaOCl irrigation followed by a final rinse of 17% EDTA, Biopure MTAD, or saline (negative control). The roots were obturated with gutta-percha and a hydrophilic HEMA-containing root canal sealer. The TEM specimens were impregnated with 50% silver nitrate to visualize sealing imperfections and nanoleakage. The structure of the coronal, middle and apical parts of root canal walls was examined using transmission electron microscopy. RESULTS: After NaOCl irrigation, a final rinse with BioPure MTAD or 17% EDTA completely removed the 2 microm-thick smear layer on mechanically instrumented root canal walls. The BioPure MTAD hybrid layer was thicker than the 17% EDTA hybrid layer. Both the BioPure MTAD and EDTA caused a collapse of the dentin matrix structure which impeded sealer infiltration and the formation of high quality hybrid layer bonding. The hybrid layers created in smear layer-covered dentin exhibited less potential for nanoleakage than the MTAD or EDTA hybrid layers.
Persistent Identifierhttp://hdl.handle.net/10722/210055
ISSN
2015 Impact Factor: 1.194
2015 SCImago Journal Rankings: 0.443

 

DC FieldValueLanguage
dc.contributor.authorGarcia-Godoy, F-
dc.contributor.authorLoushine, RJ-
dc.contributor.authorItthagarun, A-
dc.contributor.authorWeller, RN-
dc.contributor.authorMurray, PF-
dc.contributor.authorFeilzer, AJ-
dc.contributor.authorPashley, DH-
dc.contributor.authorTay, FRCM-
dc.date.accessioned2015-05-21T07:37:19Z-
dc.date.available2015-05-21T07:37:19Z-
dc.date.issued2005-
dc.identifier.citationAmerican Journal of Dentistry, 2005, v. 18 n. 4, p. 281-290-
dc.identifier.issn0894-8275-
dc.identifier.urihttp://hdl.handle.net/10722/210055-
dc.description.abstractPURPOSE: To compare the removal of smear layer and the structure of the hybrid layer formed after the use of EDTA or MTAD solutions when used as a final flush. METHODS: Single-rooted extracted premolars (n=18) were collected and treated for root canal therapy using NaOCl irrigation followed by a final rinse of 17% EDTA, Biopure MTAD, or saline (negative control). The roots were obturated with gutta-percha and a hydrophilic HEMA-containing root canal sealer. The TEM specimens were impregnated with 50% silver nitrate to visualize sealing imperfections and nanoleakage. The structure of the coronal, middle and apical parts of root canal walls was examined using transmission electron microscopy. RESULTS: After NaOCl irrigation, a final rinse with BioPure MTAD or 17% EDTA completely removed the 2 microm-thick smear layer on mechanically instrumented root canal walls. The BioPure MTAD hybrid layer was thicker than the 17% EDTA hybrid layer. Both the BioPure MTAD and EDTA caused a collapse of the dentin matrix structure which impeded sealer infiltration and the formation of high quality hybrid layer bonding. The hybrid layers created in smear layer-covered dentin exhibited less potential for nanoleakage than the MTAD or EDTA hybrid layers.-
dc.languageeng-
dc.publisherAmerican Journal of Dentistry. The Journal's web site is located at http://www.amjdent.com-
dc.relation.ispartofAmerican Journal of Dentistry-
dc.subjectCollagen - drug effects-
dc.subjectDental Leakage - etiology-
dc.subjectDentin Permeability - drug effects-
dc.subjectDentin-Bonding Agents-
dc.subjectRoot Canal Irrigants - adverse effects-
dc.titleApplication of biologically-oriented dentin bonding principles to the use of endodontic irrigants-
dc.typeArticle-
dc.identifier.emailItthagarun, A: aitthaga@hkusua.hku.hk-
dc.identifier.pmid16296438-
dc.identifier.hkuros112196-
dc.identifier.volume18-
dc.identifier.issue4-
dc.identifier.spage281-
dc.identifier.epage290-
dc.publisher.placeUnited States-

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