Abstract：
:The aims of this study were to evaluate the flexural strength of two different types of glass fibre-reinforced posts bonded to dual-cure composite resin cements. Forty glass methacrylate-based fibre posts (GC Fiber Post) and 20 glass fibre inter-polymerizing network posts (everStick POST) were divided into three groups. Group 1 contained 20 GC posts that were bonded to a dual-cure composite cement (UnifilCore). Group 2 contained 20 Stick Tech posts that had adhesive applied (Scotchbond Multipurpose resin) and were bonded to a dual-cure composite resin cement (RelyX Unicem). Group 3 contained 20 GC posts that were pretreated with a silane-coupling agent before being treated with resin and composite, as in group 1. A 4-point bend test was carried out to failure on all of the groups. Failure modes were determined using scanning electron microscopy. Pretreatment of the post surface with the silane-coupling agent did not increase the flexural strength. The flexural strength of the Stick Tech post was significantly lower than the flexural strength of the GC post. The mode of failure for the GC Posts was adhesive, whereas the Stick Tech posts failed cohesively. Different flexural strengths and failure modes were observed among the two fibre post-resin systems.
journal_name
Eur J Oral Scijournal_title
European journal of oral sciencesauthors
Davis P,Melo LS,Foxton RM,Sherriff M,Pilecki P,Mannocci F,Watson TFdoi
10.1111/j.1600-0722.2010.00721.xsubject
Has Abstractpub_date
2010-04-01 00:00:00pages
197-201issue
2eissn
0909-8836issn
1600-0722pii
EOS721journal_volume
118pub_type
杂志文章abstract：:The expression of HLA Class II antigens on the surfaces of immunocompetent cells and the presence of CD1a+ cells (Langerhans cells) are important components of antigen presentation. Quantitative variations in HLA class II expression on antigen-presenting cells play a role in immune regulation. An indirect immunofluore...
journal_title：European journal of oral sciences
pub_type： 杂志文章
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
pub_type： 杂志文章,随机对照试验
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
pub_type： 杂志文章
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journal_title：European journal of oral sciences
pub_type： 杂志文章
doi：10.1111/j.1600-0722.2007.00452.x
更新日期：2007-06-01 00:00:00
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journal_title：European journal of oral sciences
pub_type： 杂志文章,随机对照试验
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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abstract：:In this study, the clinical and radiographic material of two groups of 17- and 20-yr-old adolescents, born either in 1970 or in 1976, was compared to study changes in the prevalence of occlusal dentine caries and to determine the additional value of the bitewing radiographs. The first and second molars of 478 particip...
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
pub_type： 杂志文章
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journal_title：European journal of oral sciences
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journal_title：European journal of oral sciences
pub_type： 杂志文章
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更新日期：2004-06-01 00:00:00
