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Article: Aging affects two modes of nanoleakage expression in bonded dentin

TitleAging affects two modes of nanoleakage expression in bonded dentin
Authors
KeywordsHydrolytic degradation
Nanoleakage
Water sorption
Water trees
Issue Date2003
PublisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
Journal Of Dental Research, 2003, v. 82 n. 7, p. 537-541 How to Cite?
AbstractWater sorption into resin-dentin interfaces precedes hydrolytic degradation. We hypothesized that these processes are morphologically manifested by the uptake of ammoniacal silver nitrate, which is thought to trace hydrophilic domains and water-filled channels within matrices. Water sorption is thought to be nonuniform and can be traced by the use of silver nitrate. Human teeth bonded with an experimental filled-adhesive were aged in artificial saliva (experimental) or non-aqueous mineral oil (control). Specimens retrieved for up to a 12-month period were immersed in 50 wt% ammoniacal silver nitrate and examined by transmission electron microscopy for identification of the changes in their silver uptake. Reticular silver deposits initially identified within the bulk of hybrid layers in the experimental group were gradually reduced over time, but were subsequently replaced by similar deposits that were located along the hybrid layer-adhesive interface. Silver uptake in water-binding domains of the adhesive layers increased with aging, resulting in water tree formation. These water-filled channels may act as potential sites for hydrolytic degradation of resin-dentin bonds.
Persistent Identifierhttp://hdl.handle.net/10722/53280
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714
References

 

DC FieldValueLanguage
dc.contributor.authorTay, FRen_HK
dc.contributor.authorHashimoto, Men_HK
dc.contributor.authorPashley, DHen_HK
dc.contributor.authorPeters, MCen_HK
dc.contributor.authorLai, SCNen_HK
dc.contributor.authorYiu, CKYen_HK
dc.contributor.authorCheong, Cen_HK
dc.date.accessioned2009-04-03T07:05:49Z-
dc.date.available2009-04-03T07:05:49Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal Of Dental Research, 2003, v. 82 n. 7, p. 537-541en_HK
dc.identifier.issn0022-0345en_HK
dc.identifier.urihttp://hdl.handle.net/10722/53280-
dc.description.abstractWater sorption into resin-dentin interfaces precedes hydrolytic degradation. We hypothesized that these processes are morphologically manifested by the uptake of ammoniacal silver nitrate, which is thought to trace hydrophilic domains and water-filled channels within matrices. Water sorption is thought to be nonuniform and can be traced by the use of silver nitrate. Human teeth bonded with an experimental filled-adhesive were aged in artificial saliva (experimental) or non-aqueous mineral oil (control). Specimens retrieved for up to a 12-month period were immersed in 50 wt% ammoniacal silver nitrate and examined by transmission electron microscopy for identification of the changes in their silver uptake. Reticular silver deposits initially identified within the bulk of hybrid layers in the experimental group were gradually reduced over time, but were subsequently replaced by similar deposits that were located along the hybrid layer-adhesive interface. Silver uptake in water-binding domains of the adhesive layers increased with aging, resulting in water tree formation. These water-filled channels may act as potential sites for hydrolytic degradation of resin-dentin bonds.en_HK
dc.languageengen_HK
dc.publisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925en_HK
dc.relation.ispartofJournal of Dental Researchen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectHydrolytic degradationen_HK
dc.subjectNanoleakageen_HK
dc.subjectWater sorptionen_HK
dc.subjectWater treesen_HK
dc.titleAging affects two modes of nanoleakage expression in bonded dentinen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-0345&volume=82&issue=7&spage=537&epage=541&date=2003&atitle=Aging+affects+two+modes+of+nanoleakage+expression+in+bonded+dentinen_HK
dc.identifier.emailYiu, CKY:ckyyiu@hkucc.hku.hken_HK
dc.identifier.emailCheong, C:cheongch@hkucc.hku.hken_HK
dc.identifier.authorityYiu, CKY=rp00018en_HK
dc.identifier.authorityCheong, C=rp00034en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.scopuseid_2-s2.0-0037779040en_HK
dc.identifier.hkuros108258-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037779040&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume82en_HK
dc.identifier.issue7en_HK
dc.identifier.spage537en_HK
dc.identifier.epage541en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTay, FR=7102091962en_HK
dc.identifier.scopusauthoridHashimoto, M=35380578400en_HK
dc.identifier.scopusauthoridPashley, DH=35448600800en_HK
dc.identifier.scopusauthoridPeters, MC=35495013900en_HK
dc.identifier.scopusauthoridLai, SCN=7402937128en_HK
dc.identifier.scopusauthoridYiu, CKY=7007115156en_HK
dc.identifier.scopusauthoridCheong, C=7004368071en_HK

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