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Article: Interfacial micromorphology of three adhesive systems created in caries-affected dentin

TitleInterfacial micromorphology of three adhesive systems created in caries-affected dentin
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2003
PublisherMosher & Linder, Inc. The Journal's web site is located at http://www.amjdent.com
Citation
American Journal Of Dentistry, 2003, v. 16 n. 3, p. 202-206 How to Cite?
AbstractPurpose: To investigate the morphology of the resin-dentin interface of three dentin adhesive systems (One Coat Bond, Clearfil SE Bond and One-Up Bond F) bonded to caries-affected dentin, exposed using either rotary instrumentation in conjunction with a caries detector dye or a chemo-mechanical caries removal system (Carisolv). Materials and Methods: 60 extracted human molars with occlusal caries were used. 30 teeth had carious dentin removed using slow-speed round steel burs after staining with the caries detector dye, and carious dentin from the remaining teeth was removed using Carisolv. The teeth from each caries removal technique were randomly divided into three groups, bonded with one of the three adhesive systems above according to the manufacturers' instructions, and a thin layer of resin-based composite applied. The teeth were sectioned parallel to the bonded surface to obtain a 3 mm thick bonded dentin disc. The specimens were assigned to one of two observation techniques: a fracture technique or an acid-base technique. Fracture technique: a shallow groove was prepared across the dentin surface of the specimen, fixed in 10% buffered formalin, dehydrated in an ascending ethanol series up to 100%, critical-point dried, and fractured along the prepared groove. Acid-base technique: the specimens were sectioned vertically across the bonded interface, fixed in 10% phosphate buffered formalin, polished with diamond paste down to 0.25-μm particle size, immersed in 10% orthophosphoric acid for 3-5 s and 5% sodium hypochlorite for 10 min. All specimens were gold sputter-coated and observed using FE-SEM. Results: All groups showed hybrid layer formation. However, the thickness varied depending on the adhesive system and the carious dentin removal technique used. One Coat Bond (a "one-bottle" system) showed the thickest hybrid layer (approximately 2 μm) in acid/base treated specimens when bonded to caries-affected dentin, whereas One-Up Bond F (an "all-in-one" system) bonded to normal dentin exhibited the thinnest hybrid layer (approximately 0.3 μm).
Persistent Identifierhttp://hdl.handle.net/10722/90755
ISSN
2015 Impact Factor: 1.194
2015 SCImago Journal Rankings: 0.443
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSakoolnamarka, Ren_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorTyas, MJen_HK
dc.date.accessioned2010-09-17T10:07:48Z-
dc.date.available2010-09-17T10:07:48Z-
dc.date.issued2003en_HK
dc.identifier.citationAmerican Journal Of Dentistry, 2003, v. 16 n. 3, p. 202-206en_HK
dc.identifier.issn0894-8275en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90755-
dc.description.abstractPurpose: To investigate the morphology of the resin-dentin interface of three dentin adhesive systems (One Coat Bond, Clearfil SE Bond and One-Up Bond F) bonded to caries-affected dentin, exposed using either rotary instrumentation in conjunction with a caries detector dye or a chemo-mechanical caries removal system (Carisolv). Materials and Methods: 60 extracted human molars with occlusal caries were used. 30 teeth had carious dentin removed using slow-speed round steel burs after staining with the caries detector dye, and carious dentin from the remaining teeth was removed using Carisolv. The teeth from each caries removal technique were randomly divided into three groups, bonded with one of the three adhesive systems above according to the manufacturers' instructions, and a thin layer of resin-based composite applied. The teeth were sectioned parallel to the bonded surface to obtain a 3 mm thick bonded dentin disc. The specimens were assigned to one of two observation techniques: a fracture technique or an acid-base technique. Fracture technique: a shallow groove was prepared across the dentin surface of the specimen, fixed in 10% buffered formalin, dehydrated in an ascending ethanol series up to 100%, critical-point dried, and fractured along the prepared groove. Acid-base technique: the specimens were sectioned vertically across the bonded interface, fixed in 10% phosphate buffered formalin, polished with diamond paste down to 0.25-μm particle size, immersed in 10% orthophosphoric acid for 3-5 s and 5% sodium hypochlorite for 10 min. All specimens were gold sputter-coated and observed using FE-SEM. Results: All groups showed hybrid layer formation. However, the thickness varied depending on the adhesive system and the carious dentin removal technique used. One Coat Bond (a "one-bottle" system) showed the thickest hybrid layer (approximately 2 μm) in acid/base treated specimens when bonded to caries-affected dentin, whereas One-Up Bond F (an "all-in-one" system) bonded to normal dentin exhibited the thinnest hybrid layer (approximately 0.3 μm).en_HK
dc.languageengen_HK
dc.publisherMosher & Linder, Inc. The Journal's web site is located at http://www.amjdent.comen_HK
dc.relation.ispartofAmerican Journal of Dentistryen_HK
dc.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshComposite Resins - chemistryen_HK
dc.subject.meshDental Bondingen_HK
dc.subject.meshDental Caries - pathology - therapyen_HK
dc.subject.meshDental Cavity Preparation - instrumentation - methodsen_HK
dc.subject.meshDental Restoration, Permanenten_HK
dc.subject.meshDentin - ultrastructureen_HK
dc.subject.meshDentin-Bonding Agents - chemistryen_HK
dc.subject.meshGlutamic Acid - therapeutic useen_HK
dc.subject.meshHumansen_HK
dc.subject.meshLeucine - therapeutic useen_HK
dc.subject.meshLysine - therapeutic useen_HK
dc.subject.meshMethacrylates - chemistryen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshPhosphoric Acids - chemistryen_HK
dc.subject.meshResin Cements - chemistryen_HK
dc.subject.meshSodium Hypochlorite - chemistryen_HK
dc.subject.meshStress, Mechanicalen_HK
dc.subject.meshSurface Propertiesen_HK
dc.titleInterfacial micromorphology of three adhesive systems created in caries-affected dentinen_HK
dc.typeArticleen_HK
dc.identifier.emailBurrow, MF:mfburr58@hku.hken_HK
dc.identifier.authorityBurrow, MF=rp01306en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid12967076-
dc.identifier.scopuseid_2-s2.0-24944524963en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-24944524963&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue3en_HK
dc.identifier.spage202en_HK
dc.identifier.epage206en_HK
dc.identifier.isiWOS:000184664900012-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSakoolnamarka, R=6508034450en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridTyas, MJ=7006088443en_HK

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