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Article: Translucency and biaxial flexural strength of four ceramic core materials
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TitleTranslucency and biaxial flexural strength of four ceramic core materials
 
AuthorsChen, YM2
Smales, RJ3
Yip, KHK1
Sung, WJ2
 
KeywordsBiaxial flexural strength
Ceramic
Relative translucency
 
Issue Date2008
 
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
 
CitationDental Materials, 2008, v. 24 n. 11, p. 1506-1511 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.dental.2008.03.010
 
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.
 
ISSN0109-5641
2013 Impact Factor: 4.160
2013 SCImago Journal Rankings: 1.782
 
DOIhttp://dx.doi.org/10.1016/j.dental.2008.03.010
 
ISI Accession Number IDWOS:000260287300010
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorChen, YM
 
dc.contributor.authorSmales, RJ
 
dc.contributor.authorYip, KHK
 
dc.contributor.authorSung, WJ
 
dc.date.accessioned2010-05-31T03:21:52Z
 
dc.date.available2010-05-31T03:21:52Z
 
dc.date.issued2008
 
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.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationDental Materials, 2008, v. 24 n. 11, p. 1506-1511 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.dental.2008.03.010
 
dc.identifier.citeulike5686230
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.dental.2008.03.010
 
dc.identifier.epage1511
 
dc.identifier.hkuros151085
 
dc.identifier.isiWOS:000260287300010
 
dc.identifier.issn0109-5641
2013 Impact Factor: 4.160
2013 SCImago Journal Rankings: 1.782
 
dc.identifier.issue11
 
dc.identifier.scopuseid_2-s2.0-52049101566
 
dc.identifier.spage1506
 
dc.identifier.urihttp://hdl.handle.net/10722/57984
 
dc.identifier.volume24
 
dc.languageeng
 
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
 
dc.publisher.placeUnited States
 
dc.relation.ispartofDental Materials
 
dc.relation.referencesReferences in Scopus
 
dc.subjectBiaxial flexural strength
 
dc.subjectCeramic
 
dc.subjectRelative translucency
 
dc.titleTranslucency and biaxial flexural strength of four ceramic core materials
 
dc.typeArticle
 
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<description.abstract>Objectives: To assess the relative translucencies and flexural strengths of four dental restorative ceramic core materials. Methods: Eight disk specimens (14 mm in diameter &#215; 0.5 &#177; 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&apos; 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&apos;s multiple comparison test for significant findings (&#945; = 0.05). Results: For relative translucency: IPS Empress 2 (0.78 &#177; 0.03), VITA In-Ceram Alumina (0.94 &#177; 0.01), VITA In-Ceram Zirconia (1.00 &#177; 0.01), Cercon Base Zirconia (1.00 &#177; 0.01), P &lt; 0.0001. For biaxial flexural strength: IPS Empress 2 (355.1 &#177; 25.7), VITA In-Ceram Alumina (514.0 &#177; 49.5), VITA In-Ceram Zirconia (592.4 &#177; 84.7), Cercon Base Zirconia (910.5 &#177; 95.3), P &lt; 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. &#169; 2008 Academy of Dental Materials.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. Nanjing Medical University
  3. University of Adelaide