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Research Article
- Effect of ultrasonic cleaning on the bond strength of fiber posts in oval canals filled with a premixed bioceramic root canal sealer
- Fernando Peña Bengoa, Maria Consuelo Magasich Arze, Cristobal Macchiavello Noguera, Luiz Felipe Nunes Moreira, Augusto Shoji Kato, Carlos Eduardo Da Silveira Bueno
- Restor Dent Endod 2020;45(2):e19. Published online February 20, 2020
- DOI: https://doi.org/10.5395/rde.2020.45.e19
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Abstract
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ePub Objective This study aimed to evaluate the effect of ultrasonic cleaning of the intracanal post space on the bond strength of fiber posts in oval canals filled with a premixed bioceramic (Bio-C Sealer [BIOC]) root canal sealer.
Materials and Methods Fifty premolars were endodontically prepared and divided into 5 groups (
n = 10), based on the type of root canal filling material used and the post space cleaning protocol. A1: gutta-percha + AH Plus (AHP) and post space preparation with ultrasonic cleaning, A2: gutta-percha + BIOC and post space preparation with ultrasonic cleaning, B1: gutta-percha + AHP and post space preparation, B2: gutta-percha + BIOC and post space preparation, C: control group. Fiber posts were cemented with a self-adhesive luting material, and 1 mm thick slices were sectioned from the middle and cervical third to evaluate the remaining filling material microscopically. The samples were subjected to a push-out test to analyze the bond strength of the fiber post, and the results were analyzed with the Shapiro-Wilk, Bonferroni, Kruskal-Wallis, and Mann-Whitney tests (p < 0.05). Failure modes were evaluated using optical microscopy.Results The results showed that the fiber posts cemented in canals sealed with BIOC had lower bond strength than those sealed with AHP. The ultrasonic cleaning of the post space improved the bond strength of fiber posts in canals sealed with AHP, but not with BIOC.
Conclusions BIOC decreased the bond strength of fiber posts in oval canals, regardless of ultrasonic cleaning.
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Citations
Citations to this article as recorded by
- Cleaning protocols to enhance bond strength of fiberglass posts on root canals filled with bioceramic sealer: an in vitro comparative study
Thiago Bessa Marconato Antunes, Juliana Delatorre Bronzato, Joice Graciani, Ana Cristina Padilha Janini, Rocharles Cavalcante Fontenele, Francisco Haiter Neto, Brenda Paula Figueiredo de Almeida Gomes, Marina Angélica Marciano da Silva
Restorative Dentistry & Endodontics.2025; 50(2): e20. CrossRef - Evaluation of different mechanical cleaning protocols associated with 2.5% sodium hypochlorite in the removal of residues from the post space
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Brazilian Dental Journal.2022; 33(2): 91. CrossRef - Effect of irrigation protocols on root canal wall after post preparation: a micro-CT and microhardness study
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Brazilian Oral Research.2021;[Epub] CrossRef
- Cleaning protocols to enhance bond strength of fiberglass posts on root canals filled with bioceramic sealer: an in vitro comparative study
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