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dc.contributor.authorLi, Xiao-naen_US
dc.contributor.authorShi, Yun-kaien_US
dc.contributor.authorLi, Zhen-chunen_US
dc.contributor.authorSong, Chao-yingen_US
dc.contributor.authorChen, Xiao-dongen_US
dc.contributor.authorGuan, Zhen-qunen_US
dc.contributor.authorGuan, Hongen_US
dc.contributor.authorChen, Xiang-taoen_US
dc.contributor.editorHideo Matsumuraen_US
dc.date.accessioned2017-05-03T13:09:55Z
dc.date.available2017-05-03T13:09:55Z
dc.date.issued2008en_US
dc.date.modified2012-09-06T22:06:52Z
dc.identifier.issn16080688en_US
dc.identifier.urihttp://hdl.handle.net/10072/22545
dc.description.abstractPurpose : To provide a theoretical guidance to post-core choice by analyzing dentinal stress of post- restoration with six types of post-core materials. Materials and Methods : A three-dimensional (3D) finite element model (FEM) of maxillary central incisor restored with porcelain fused to metal crown (PFM) was constructed using spiral CT scan technology. By comparing the restored incisor with PFM as a control model, the stress distribution pattern in the dentine after post restoration was analyzed upon using six types of post-core materials, cast Ni-Cr alloy, cast titanium alloy, cast gold alloy, glass fiber reinforced composite resin, and polyethylene fiber reinforced composite resin, as well as common composite resin. Results : Compared to the control model, the maximum principal and von Mises stresses in coronal dentin decreased by 26% and 27.8% respectively, while those in post-apex dentine increased by 152% and 162% respectively in post-apex when cast Ni-Cr alloy was used as a post-core. Significant change in maximum stresses was also found in dentin when the first four restoration materials were used as post-core. Conclusion : Material with low elastic modulus similar to that of dentin, such as polyethylene fiber reinforced composite, may be more ideal for post restoration with respect to the stress distribution in dentin.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_US
dc.format.extent531294 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglishen_US
dc.language.isoen_US
dc.publisherOral Health Association of Japanen_US
dc.publisher.placeJapanen_US
dc.publisher.urihttp://www.kssfp.jp/en_US
dc.publisher.urihttp://www.kssfp.jp/pdf/ICJD8-2XnLi21-27.pdfen_US
dc.relation.ispartofstudentpublicationNen_US
dc.relation.ispartofpagefrom21en_US
dc.relation.ispartofpageto27en_US
dc.relation.ispartofissue2en_US
dc.relation.ispartofjournalInternational Chinese Journal of Dentistryen_US
dc.relation.ispartofvolume8en_US
dc.rights.retentionYen_US
dc.subject.fieldofresearchcode291504en_US
dc.titleThree-dimensional finite element analysis of a maxillary central incisor restored with different post-core materialsen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.rights.copyrightCopyright 2008 Oral Health Association of Japan. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.en_US
gro.date.issued2008
gro.hasfulltextFull Text


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