Bond strength of resin cements to novel materials to intracanal posts applications

Autores/as

  • Lígia Gabrielle Sanches Mariotto Department of Dental Materials and Prosthesis – School of Dentistry of Ribeirão Preto – University of São Paulo – Ribeirão Preto – SP – Brazil.
  • Carla Larissa Vidal Department of Dental Materials and Prosthesis – School of Dentistry of Ribeirão Preto – University of São Paulo – Ribeirão Preto – SP – Brazil.
  • Denise Tornavoi de Castro Department of Biomaterials – School of Dentistry of Uberaba – Uberaba – MG – Brazil.
  • Alma Blásida Concepcion Elizaur Benitez Catirse Department of Dental Materials and Prosthesis – School of Dentistry of Ribeirão Preto – University of São Paulo – Ribeirão Preto – SP – Brazil.
  • Rossana Pereira de Almeida Department of Dental Materials and Prosthesis – School of Dentistry of Ribeirão Preto – University of São Paulo – Ribeirão Preto – SP – Brazil.
  • Andréa Cândido dos Reis Department of Dental Materials and Prosthesis – School of Dentistry of Ribeirão Preto – University of São Paulo – Ribeirão Preto – SP – Brazil.

DOI:

https://doi.org/10.14295/bds.2018.v21i4.1639

Resumen

Objective: evaluate the bond strength of resin cements to new materials for application in intraradicular posts. Material and Methods: Five materials were evaluated: fiberglass, PET, polyethylene, polyacetal and PTFE. Two commercial resin cements (Rely X U200 and Rely X Arc) were applied on the test specimens of the materials (9x3mm) and the bonding was evaluated through the shear bond strength test, where the chisel operated with a load of 1kN and a velocity of 0.5mm/min at the cement/material interface. The data were analyzed by the Shapiro-Wilk test, followed by the two-way analysis of variance, performed with the Bonferroni post-test (?=0.05). Results: The glass fiber was statistically different from all evaluated materials (p<0.05). There was no statistically significant difference between the other materials (p>0.05). Comparing the two cements, a statistical difference was found between Rely X U200 and Arc only for the glass fiber (p=0). Conclusion: PET, polyethylene, polyacetal and PTFE exhibited reduced bond strength compared to the glass fiber.

Keywords

Resin cement; PET polymer; Polytetrafluoroethylene.

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Publicado

2018-10-24

Cómo citar

1.
Mariotto LGS, Vidal CL, de Castro DT, Catirse ABCEB, de Almeida RP, dos Reis AC. Bond strength of resin cements to novel materials to intracanal posts applications. BDS [Internet]. 24 de octubre de 2018 [citado 12 de septiembre de 2025];21(4):445-50. Disponible en: https://ojs.ict.unesp.br/index.php/cob/article/view/1639

Número

Vol. 21 Núm. 4 (2018): Oct. - Dec. / 2018 - Published October 2018

Sección

Clinical or Laboratorial Research

Licencia

Brazilian Dental Science uses the Creative Commons (CC-BY 4.0) license, thus preserving the integrity of articles in an open access environment. The journal allows the author to retain publishing rights without restrictions.

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