Research Article
Volume 19 Issue 4 - 2020
Bonding Strength of Cemented Glass Fiber Pins to Intra-Radicular Dentin with MDP Cements and MDP-Free Cements: 24 Hours Evaluation
Paulo Torban1, Maria Catarina Almeida Lago1, Cácio Lopes Mendes1, Hermínia Anníbal1, Cláudio Paulo Pereira de Assis1, Leonardo José Rodrigues de Oliveira1, Monica Soares de Albuquerque1, Angela Josefa do Nascimento1, Polyana Matos Alcântara1, Eliane Alves Lima1 and Rodivan Braz2*
1Post-Graduation Student, Center of Research in Biomaterials (CPqB), Recife, Pernambuco, University of Pernambuco, Pernambuco, Brazil
2Adjunct Professor, Center of Research in Biomaterials (CPqB), University of Pernambuco, Pernambuco, Brazil
*Corresponding Author: Rodivan Braz, Adjunct Professor, Center of Research in Biomaterials (CPqB), University of Pernambuco, Pernambuco, Brazil.
Received: February 29, 2020; Published: March 14, 2020



Abstract

Objective: Evaluating the bonding strength with push-out test in different root thirds of resin cements at fiberglass post with or without phosphate monomer (MDP). 

Methods: 32 roots of bovine incisors were divided into 04 groups with following cements and adhesive systems: RelyX Ultimate + Single Bond Universal (G1); Clear Fill Luting AS + Single Bond Adhesive (G2); Clear Fill Luting AS Self Adhesive (G3); RelyX ARC + Scotch Multi-Purpose Bond (G4). After cementing of the post, the roots were stored in distilled water at 37°C for 24h, then sectioned into six slices of 01 mm of thickness and subjected to push-out test in universal testing machine. 

Results: There was no statistic difference between the coronal thirds, except for the G4 (p > 0.05). 

Conclusion: There was difference of decreasing bond strength in coronary thirds in the apical direction. There was no improvement in adhesion when added phosphate monomers.

 

Keywords: Fiberglass Post; Bond Strength; Resin Cement

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Citation: Rodivan Braz., et al. “Bonding Strength of Cemented Glass Fiber Pins to Intra-Radicular Dentin with MDP Cements and MDP-Free Cements: 24 Hours Evaluation”. EC Dental Science 19.4 (2020): 34-41.

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