Push-out Bond Strength of Fiber Posts to Root Dentin Using Glass Ionomer and Resin Modified Glass Ionomer Cements

Overview

Journal J Appl Oral Sci

Specialty Dentistry

Date 2014 Jul 9

PMID 25004052

Citations 5

Authors

Jefferson Ricardo Pereira

Ricardo Abreu da Rosa

Marcus Vinicius Reis So

Daniele Afonso

Milton Carlos Kuga

Heitor Marques Honorio

Accacio Lins do Valle

Hugo Alberto Vidotti

Affiliations

Soon will be listed here.

Abstract

Objective: The purpose of this study was to assess the push-out bond strength of glass fiber posts to root dentin after cementation with glass ionomer (GICs) and resinmodified glass ionomer cements (RMGICs).

Material And Methods: Fifty human maxillary canines were transversally sectioned at 15 mm from the apex. Canals were prepared with a step back technique until the application of a #55 K-file and filled. Post spaces were prepared and specimens were divided into five groups according to the cement used for post cementation: Luting & Lining Cement; Fuji II LC Improved; RelyX Luting; Ketac Cem; and Ionoseal. After cementation of the glass fiber posts, all roots were stored at 100% humidity until testing. For push-out test, 1-mm thick slices were produced. The push-out test was performed in a universal testing machine at a crosshead speed of 0.5 mm/minute and the values (MPa) were analyzed by Kolmogorov-Smirnov and Levene's tests and by two-way ANOVA and Tukey's post hoc test at a significance level of 5%.

Results: Fiber posts cemented using Luting & Lining Cement, Fuji II LC Improved, and Ketac Cem presented the highest bond strength to root dentin, followed by RelyX Luting. Ionoseal presented the lowest bond strength values (P>0.05). The post level did not influence the bond strength of fiber posts to root dentin (P=0.148). The major cause of failure was cohesive at the cement for all GICs and RMGICs.

Conclusions: Except for Ionoseal, all cements provided satisfactory bond strength values.

Citing Articles

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Effect of aging and cementation systems on the bond strength to root dentin after fiber post cementation.

Nogueira C, Gelio M, Besegato J, Ramos A, Fernandez E, Kuga M Braz Dent J. 2023; 34(1):52-60.

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Comparison of Self-Etching Ceramic Primer and Conventional Silanization to Bond Strength in Cementation of Fiber Reinforced Composite Post.

Pang N, Jung B, Roh B, Shin Y Materials (Basel). 2019; 12(10).

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Influence of antimicrobial solutions in the decontamination and adhesion of glass-fiber posts to root canals.

Haragushiku G, Back E, Tomazinho P, Baratto Filho F, Furuse A J Appl Oral Sci. 2015; 23(4):436-41.

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