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Open AccessArticle

Effect of Sonic Application of Self-Adhesive Resin Cements on Push-Out Bond Strength of Glass Fiber Posts to Root Dentin

1
Department of Dentistry I, School of Dentistry, University Federal of Maranhão, São Luis, Maranhão 65080-805, Brazil
2
Department of Restorative Dentistry, School of Dentistry, Ceuma University (Uniceuma), São Luis, Maranhão 65065-470, Brazil
3
Discipline of Dental Materials, School of Dentistry, University Federal of Maranhão, São Luis, Maranhão 65080-805, Brazil
4
Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa (UEPG), Ponta Grossa, Paraná 84.010-170, Brazil
*
Author to whom correspondence should be addressed.
Materials 2019, 12(12), 1930; https://doi.org/10.3390/ma12121930
Received: 4 April 2019 / Revised: 22 May 2019 / Accepted: 27 May 2019 / Published: 14 June 2019
(This article belongs to the Special Issue Current and Future Trends in Dental Materials)
The aim of this study was to evaluate the influence of a sonic application of self-adhesive resin cements on the bond strength of glass fiber posts to root dentin. Eighty bovine incisors were randomly divided into eight groups (n = 10). Four self-adhesive resin cements were used—RelyX U200 (3M/ESPE), Bifix SE (Voco), seT PP (SDI), and Panavia SA (Kuraray). The cements were inserted into the root canal in two different modes—Centrix syringe (control) or with a sonic device (Sonic Smart). The roots were sectioned and taken to a universal test machine (Instron 3342) to perform the push-out test. The fracture pattern was evaluated by stereomicroscope and scanning electron microscope. The bond strength data were analyzed by two-way ANOVA and Tukey tests (α = 0.05). The interaction between the main factors was significant (p = 0.002). The sonic application increased the bond strength in comparison with the conventional application for the RelyX U200 (p < 0.001) and Bifix SE (p < 0.017) cements. However, for the seT PP and Panavia SA cements, the bond strength values did not differ significantly (p > 0.05). The fracture pattern showed adhesive at the interface between the luting cement and the dentin. Using a sonic device in the application of self-adhesive resin cement helpedpromote an increase in the bond strength for RelyX U200 and Bifix SE. View Full-Text
Keywords: self-adhesive resin cements; fiber post; dentin; push-out bond strength; sonic application self-adhesive resin cements; fiber post; dentin; push-out bond strength; sonic application
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MDPI and ACS Style

Lima, D.M.; Linhares, T.S.; Lima, S.N.L.; Carvalho, E.M.; Loguercio, A.D.; Bauer, J.; Carvalho, C.N. Effect of Sonic Application of Self-Adhesive Resin Cements on Push-Out Bond Strength of Glass Fiber Posts to Root Dentin. Materials 2019, 12, 1930.

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