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Article: Translucency and biaxial flexural strength of four ceramic core materials

TitleTranslucency and biaxial flexural strength of four ceramic core materials
Authors
KeywordsBiaxial flexural strength
Ceramic
Relative translucency
Issue Date2008
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
Citation
Dental Materials, 2008, v. 24 n. 11, p. 1506-1511 How to Cite?
AbstractObjectives: To assess the relative translucencies and flexural strengths of four dental restorative ceramic core materials. Methods: Eight disk specimens (14 mm in diameter × 0.5 ± 0.05 mm in thickness) were prepared for each group of four ceramic core materials (IPS Empress 2 dentin, VITA In-Ceram Alumina, VITA In-Ceram Zirconia, Cercon Base Zirconia), according to the manufacturers' instructions. A color meter was used to measure the relative translucencies of the specimens. The biaxial flexure test (ISO 6872) was then used to measure their flexural strengths. Data for relative translucency (0.0-1.0), fracture load (N) and biaxial flexural strength (MPa) were analyzed by one-way ANOVA, followed by Tukey's multiple comparison test for significant findings (α = 0.05). Results: For relative translucency: IPS Empress 2 (0.78 ± 0.03), VITA In-Ceram Alumina (0.94 ± 0.01), VITA In-Ceram Zirconia (1.00 ± 0.01), Cercon Base Zirconia (1.00 ± 0.01), P < 0.0001. For biaxial flexural strength: IPS Empress 2 (355.1 ± 25.7), VITA In-Ceram Alumina (514.0 ± 49.5), VITA In-Ceram Zirconia (592.4 ± 84.7), Cercon Base Zirconia (910.5 ± 95.3), P < 0.0001. Significance: IPS Empress 2 and VITA In-Ceram Alumina were significantly more translucent than the two opaque zirconia-containing core materials. IPS Empress 2 was significantly weaker, and Cercon Base Zirconia was significantly stronger, than the other two ceramic core materials. © 2008 Academy of Dental Materials.
Persistent Identifierhttp://hdl.handle.net/10722/57984
ISSN
2023 Impact Factor: 4.6
2023 SCImago Journal Rankings: 1.186
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, YMen_HK
dc.contributor.authorSmales, RJen_HK
dc.contributor.authorYip, KHKen_HK
dc.contributor.authorSung, WJen_HK
dc.date.accessioned2010-05-31T03:21:52Z-
dc.date.available2010-05-31T03:21:52Z-
dc.date.issued2008en_HK
dc.identifier.citationDental Materials, 2008, v. 24 n. 11, p. 1506-1511en_HK
dc.identifier.issn0109-5641en_HK
dc.identifier.urihttp://hdl.handle.net/10722/57984-
dc.description.abstractObjectives: To assess the relative translucencies and flexural strengths of four dental restorative ceramic core materials. Methods: Eight disk specimens (14 mm in diameter × 0.5 ± 0.05 mm in thickness) were prepared for each group of four ceramic core materials (IPS Empress 2 dentin, VITA In-Ceram Alumina, VITA In-Ceram Zirconia, Cercon Base Zirconia), according to the manufacturers' instructions. A color meter was used to measure the relative translucencies of the specimens. The biaxial flexure test (ISO 6872) was then used to measure their flexural strengths. Data for relative translucency (0.0-1.0), fracture load (N) and biaxial flexural strength (MPa) were analyzed by one-way ANOVA, followed by Tukey's multiple comparison test for significant findings (α = 0.05). Results: For relative translucency: IPS Empress 2 (0.78 ± 0.03), VITA In-Ceram Alumina (0.94 ± 0.01), VITA In-Ceram Zirconia (1.00 ± 0.01), Cercon Base Zirconia (1.00 ± 0.01), P < 0.0001. For biaxial flexural strength: IPS Empress 2 (355.1 ± 25.7), VITA In-Ceram Alumina (514.0 ± 49.5), VITA In-Ceram Zirconia (592.4 ± 84.7), Cercon Base Zirconia (910.5 ± 95.3), P < 0.0001. Significance: IPS Empress 2 and VITA In-Ceram Alumina were significantly more translucent than the two opaque zirconia-containing core materials. IPS Empress 2 was significantly weaker, and Cercon Base Zirconia was significantly stronger, than the other two ceramic core materials. © 2008 Academy of Dental Materials.en_HK
dc.languageengen_HK
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dentalen_HK
dc.relation.ispartofDental Materialsen_HK
dc.subjectBiaxial flexural strengthen_HK
dc.subjectCeramicen_HK
dc.subjectRelative translucencyen_HK
dc.titleTranslucency and biaxial flexural strength of four ceramic core materialsen_HK
dc.typeArticleen_HK
dc.identifier.emailYip, KHK: kevin.h.k.yip@hkusua.hku.hken_HK
dc.identifier.authorityYip, KHK=rp00027en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.dental.2008.03.010en_HK
dc.identifier.scopuseid_2-s2.0-52049101566en_HK
dc.identifier.hkuros151085en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-52049101566&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume24en_HK
dc.identifier.issue11en_HK
dc.identifier.spage1506en_HK
dc.identifier.epage1511en_HK
dc.identifier.isiWOS:000260287300010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, YM=7601450466en_HK
dc.identifier.scopusauthoridSmales, RJ=7005372382en_HK
dc.identifier.scopusauthoridYip, KHK=25423244900en_HK
dc.identifier.scopusauthoridSung, WJ=36922167500en_HK
dc.identifier.citeulike5686230-
dc.identifier.issnl0109-5641-

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