Bond strength of fibre glass and carbon fibre posts to the root canal walls using different resin cements

被引：19

作者：

Farina, Ana Paula ^{[1
]}

Cecchin, Doglas ^{[2
]}

Roberti Garcia, Lucas da Fonseca ^{[3
]}

Naves, Lucas Zago ^{[3
]}

Panzeri Pires-de-Souza, Fernanda de Carvalho ^{[1
]}

机构：

[1] Univ Sao Paulo, Dept Dent Mat & Prosthodont, Ribeirao Preto Sch Dent, BR-14040904 Ribeirao Preto, SP, Brazil

[2] Univ Sao Paulo, Ribeirao Preto Sch Dent, Dept Restorat Dent, BR-14040904 Ribeirao Preto, SP, Brazil

[3] Univ Estadual Campinas, Piracicaba Sch Dent, Dent Mat Area, Dept Restorat Dent, Piracicaba, SP, Brazil

来源：

AUSTRALIAN ENDODONTIC JOURNAL | 2011年 / 37卷 / 02期

关键词：

fibre post; luting agent; push-out; resin cement; ENDODONTICALLY TREATED TEETH; REINFORCED POST; DENTIN; ENAMEL; COMPOSITES; ADHESION; SYSTEMS; ABILITY;

D O I：

10.1111/j.1747-4477.2010.00253.x

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

The aim of the study was to evaluate the bond strength of fibre glass and carbon fibre posts in the root canal walls cemented with self-adhesive (RelyX-Unicem) and chemical (Cement-Post) resin cements. Forty maxillary canines were divided into four groups according to the cement and post used and submitted to the push-out test (0.5 mm min(-1)). The data were submitted to statistical analysis (2-way ANOVA, Bonferroni - P < 0.05) and fracture analysis by Scanning Electronic Microscopy. Fibre glass presented the best results when cemented with RelyX-Unicem and Cement-Post (P < 0.05). RelyX-Unicem presented the highest bond strength values for both posts (P < 0.05). Fracture analysis showed predominance of cohesive fracture of post for RelyX-Unicem and adhesive fracture between dentin/cement and mixed for Cement-Post. The bond strength values were significantly affected by the type of post and cement used and the highest values were found for fibre glass posts and RelyX-Unicem.

引用

页码：44 / 50

页数：7

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