PMID: 26329411Sep 4, 2015Paper

Influence of Relining Post on the Bond Strength of Resin Cements

The Journal of Contemporary Dental Practice
Daniele Meira CondeDarlon Martins Lima

Abstract

This study evaluated the influence of relining fiber posts on the bond strength (BS) of resin cements in the root canal. Forty bovine teeth were divided in four groups (n = 10): G1 (ARC)-fiber post cemented with resin cement RelyX ARC; G2 (ARC+Z350)-relined fiber post cemented with RelyX ARC; G3 (U200)-fiber post cemented with self-adhesive cement RelyX U200; G4 (U200+Z350)-relined fiber post cemented with RelyX U200. The roots were sectioned in six 1.2-mm slices and the push-out test was performed. Data were analyzed by three-way analysis of variance (ANOVA), and Tukey's test (a = 0.05). For the conventional resin cement, there was no significant difference between groups G1-ARC (15.5 ± 3.8) and G2-ARC+Z350 (16.1 ± 4.5). For the self-adhesive cement, the results revealed higher BS values for relined posts G4-U200 + Z350 (19.9 ± 7.9) as compared to non-relined posts G3-U200 (14.4 ± 4.5). For both cements, in groups of relined posts, the apical and the cervical thirds presented similar BS. Relining enhances the performance of the self-adhesive resin cement, and the interaction between relining and root third influences the BS to the conventional resin cement.

References

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Citations

Sep 16, 2020·European Journal of Dentistry·Camila Ferreira SilvaPaulo Cesar Freitas Santos-Filho
Dec 5, 2019·Restorative Dentistry & Endodontics·Rodrigo Barros Esteves LinsLuís Roberto Marcondes Martins
May 22, 2016·The Journal of Contemporary Dental Practice·Daniele M da Silveira-PedrosaJacy Ribeiro de Carvalho

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