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Article: Shear bond strengths to coronal and pulp chamber floor dentin

TitleShear bond strengths to coronal and pulp chamber floor dentin
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2002
PublisherMosher & Linder, Inc. The Journal's web site is located at http://www.amjdent.com
Citation
American Journal Of Dentistry, 2002, v. 15 n. 6, p. 383-388 How to Cite?
AbstractPurpose: To evaluate the bond strengths of two different types of resin bonding systems to coronal dentin and dentin of the pulp chamber floor. Materials and Methods: 20 extracted human molars were sectioned into three regions; superficial coronal dentin, deep coronal dentin and floor of pulp chamber dentin. The dentin surface of each region was bonded with Single Bond or Clearfil Liner Bond 2V. A core build-up light-cured resin composite, Clearfil Photocore, was placed and light-cured for 40 seconds. After storage in 37°C water for 24 hours, shear bond strengths were measured using a single plane shear test assembly at a crosshead speed of 2.0 mm/minute. Morphological changes of the conditioned dentin and hybrid layer formation were observed by SEM. Results: For Single Bond, the bond strengths to superficial dentin were within anticipated bounds (23 MPa), whereas the bond strengths to deep dentin (15 MPa) and floor of pulp chamber dentin (13 MPa) were significantly lower (P< 0.05). For Clearfil Liner Bond 2V, higher bond strengths (approximately 30 MPa) were obtained for each region. The data were analyzed by one- and two-way ANOVA, and Fisher's PLSD (P< 0.05). The appearance of the conditioned dentin varied according to dentin region and conditioner. For Single Bond, thick hybrid layers (3-4 μm) were observed, while thin hybrid layers (less than 0.5 μm) were observed in Clearfil Liner Bond 2V for all regions.
Persistent Identifierhttp://hdl.handle.net/10722/90743
ISSN
2015 Impact Factor: 1.194
2015 SCImago Journal Rankings: 0.443
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAkagawa, Hen_HK
dc.contributor.authorNikaido, Ten_HK
dc.contributor.authorTakada, Ten_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorTagami, Jen_HK
dc.date.accessioned2010-09-17T10:07:38Z-
dc.date.available2010-09-17T10:07:38Z-
dc.date.issued2002en_HK
dc.identifier.citationAmerican Journal Of Dentistry, 2002, v. 15 n. 6, p. 383-388en_HK
dc.identifier.issn0894-8275en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90743-
dc.description.abstractPurpose: To evaluate the bond strengths of two different types of resin bonding systems to coronal dentin and dentin of the pulp chamber floor. Materials and Methods: 20 extracted human molars were sectioned into three regions; superficial coronal dentin, deep coronal dentin and floor of pulp chamber dentin. The dentin surface of each region was bonded with Single Bond or Clearfil Liner Bond 2V. A core build-up light-cured resin composite, Clearfil Photocore, was placed and light-cured for 40 seconds. After storage in 37°C water for 24 hours, shear bond strengths were measured using a single plane shear test assembly at a crosshead speed of 2.0 mm/minute. Morphological changes of the conditioned dentin and hybrid layer formation were observed by SEM. Results: For Single Bond, the bond strengths to superficial dentin were within anticipated bounds (23 MPa), whereas the bond strengths to deep dentin (15 MPa) and floor of pulp chamber dentin (13 MPa) were significantly lower (P< 0.05). For Clearfil Liner Bond 2V, higher bond strengths (approximately 30 MPa) were obtained for each region. The data were analyzed by one- and two-way ANOVA, and Fisher's PLSD (P< 0.05). The appearance of the conditioned dentin varied according to dentin region and conditioner. For Single Bond, thick hybrid layers (3-4 μm) were observed, while thin hybrid layers (less than 0.5 μm) were observed in Clearfil Liner Bond 2V for all regions.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.meshAnalysis of Varianceen_HK
dc.subject.meshBisphenol A-Glycidyl Methacrylateen_HK
dc.subject.meshDental Bondingen_HK
dc.subject.meshDental Pulp Cavityen_HK
dc.subject.meshDental Stress Analysisen_HK
dc.subject.meshDentin - ultrastructureen_HK
dc.subject.meshDentin Permeabilityen_HK
dc.subject.meshDentin-Bonding Agentsen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaterials Testingen_HK
dc.subject.meshMethacrylatesen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshMolaren_HK
dc.subject.meshResin Cementsen_HK
dc.subject.meshShear Strengthen_HK
dc.subject.meshTooth Crownen_HK
dc.titleShear bond strengths to coronal and pulp chamber floor 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.pmid12691275en_HK
dc.identifier.scopuseid_2-s2.0-0037980404en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037980404&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue6en_HK
dc.identifier.spage383en_HK
dc.identifier.epage388en_HK
dc.identifier.isiWOS:000181684100008-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridAkagawa, H=7005767097en_HK
dc.identifier.scopusauthoridNikaido, T=7102059723en_HK
dc.identifier.scopusauthoridTakada, T=7202752109en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridTagami, J=7005967527en_HK

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