Effect of two Resin Cements and two Fiber Post Surface Treatments on Push-out Bond Strength between Fiber Post and Root Dentin
Luiz Felipe Valandro, César Dalmolin Bergoli, Carolina Ceolin Druck, Gabriel Kalil Rocha Pereira
Citation Information :
Valandro LF, Bergoli CD, Druck CC, Pereira GK. Effect of two Resin Cements and two Fiber Post Surface Treatments on Push-out Bond Strength between Fiber Post and Root Dentin. J Contemp Dent Pract 2015; 16 (1):7-12.
To evaluate the effect of fiber post surface treatments on push-out bond strength between fiber post and root dentin.
Materials and methods
Sixty bovine mandibular teeth (N = 60) were sectioned (16 mm), prepared (12 mm), embedded with acrylic resin and then allocated into six groups (n = 10): Gr1- Silane coupling agent (Sil) + Conventional resin cement AllCem (AlC); Gr2- Sil + Conventional resin cement RelyX ARC (ARC); Gr3- tribochemical silica coating (TBS) + AlC; Gr4– TBS + ARC; Gr5- No treatment (NT) + AlC; Gr6– NT+ ARC. Specimens were sectioned in four slices (2 mm) and submitted to push-out test. Fracture analyses were executed at x200. The values of the push-out bond strength were submitted to two-way ANOVA and Tukey test (á = 0.05).
Results
Resin cement did not affect the bond strength values (p = 0.9674), fiber post surface treatment affected the push-out bond strength (p = 0.0353), interaction between factors did not affected the values (p = 0.338). Tukey test did not show differences between the groups. Adhesive failure between cement and dentin was predominantly.
Conclusion
The fiber post surface treatment appears have no influence on bond strength between fiber post and root dentin.
Clinical significance
The tested fiber posts surface treatment appears do not influence the fiber post bond behavior.
How to cite this article
Druck CC, Bergoli CD, Pereira GKR, Valandro LF. Effect of two Resin Cements and two Fiber Post Surface Treatments on Push-out Bond Strength between Fiber Post and Root Dentin. J Contemp Dent Pract 2015;16(1):7-12.
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