Pretreatment and improvement of bonding strength of self-adhesive resin cements to posts

Authors

  • Luis Rafael Calixto University Estadual Paulista. Araraquara Dental School, Department of Restorative Dentistry, UNESP, Araraquara- SP https://orcid.org/0000-0001-7993-2852
  • Mateus Rodrigues Tonetto Cuiabá University. School of Dentistry, Department of Dentistry. UNIC, Cuiabá - MT https://orcid.org/0000-0003-2733-8733
  • Matheus Coelho Bandéca Maranhão University Center. School of Dentistry, Department of Restorative Dentistry. CEUMA, São Luis, MA https://orcid.org/0000-0002-8099-8821
  • Eduardo Fernandez University of Chile. School of Dentistry, Department of Restorative Dentistry. Santiago de Chile. Universidad Autónoma de Chile. Institute de Miomedical Sciences. Santiago de Chile https://orcid.org/0000-0002-2616-1510
  • Alain Manuel Chaple Gil University of Medical Sciences of Havana. Faculty of Medical Sciences "Victoria de Girón". Department of Comprehensive Dentistry. Havana https://orcid.org/0000-0002-8571-4429
  • Edson Alves de Campos University Estadual Paulista. Araraquara Dental School, Department of Restorative Dentistry, UNESP, Araraquara- SP https://orcid.org/0000-0001-9120-4305
  • Marcelo Ferrarezi de Andrade University Estadual Paulista. Araraquara Dental School, Department of Restorative Dentistry, UNESP, Araraquara- SP Universidad Politécnica y Artística del Paraguay, Paraguay https://orcid.org/0000-0002-6314-1092

Keywords:

resin cement, fiber post, bond strength.

Abstract

Introduction: Posts and core are frequently used in endodontically treated teeth with excessive loss of coronal tooth structure.

Objective: To evaluate the effectiveness of self-adhesive cements under different pre-treatments of dentin in the resistance to extrusion of fiberglass posts.

Methods: An experimental in vitro study was conducted. The randomly selected sample was 56 extracted bovine incisors with mature apices and without root curvature. Before the cementing procedure, pretreatment of dentin was performed with 11.5 % polyacrylic acid, 17 % EDTA or sodium hypochlorite. The type of failure between the post/cement/dentin was evaluated by stereomicroscope. Two hundred and sixteen bovine dentin discs were used. The disks were approximately 1 mm thick, and were obtained from 72 bovine roots restored with intraradicular retentions. Data were analyzed for better comprehension in an SPSS database for Windows version 15.

Results: The highest values were found in groups G3, G4 and G5, and there was no bond strength significant difference in group G2.

Conclusions: The pre-treatment had no effect on dentin bond strength, and the self-adhesive cement RelyX U100 appears to be a viable option in the cementation of fiber posts.

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Published

2019-07-16

How to Cite

1.
Calixto LR, Rodrigues Tonetto M, Coelho Bandéca M, Fernandez E, Chaple Gil AM, Alves de Campos E, et al. Pretreatment and improvement of bonding strength of self-adhesive resin cements to posts. Rev Cubana Estomatol [Internet]. 2019 Jul. 16 [cited 2025 Mar. 12];56(3):1-11. Available from: https://revestomatologia.sld.cu/index.php/est/article/view/1989

Issue

Vol. 56 No. 3 (2019): JUL- SEP

Section

Research Article

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