Fracture resistance and stress distribution of weakened teeth reinforced with a bundled glass fiber–reinforced resin post

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorSantos, Thaís da Silva Alves-
Autor(es): dc.creatorAbu Hasna, Amjad-
Autor(es): dc.creatorAbreu, Ricardo Toledo-
Autor(es): dc.creatorTribst, João Paulo Mendes-
Autor(es): dc.creatorde Andrade, Guilherme Schmitt-
Autor(es): dc.creatorBorges, Alexandre Luiz Souto-
Autor(es): dc.creatorTorres, Carlos Rocha Gomes-
Autor(es): dc.creatorCarvalho, Cláudio Antonio Talge-
Data de aceite: dc.date.accessioned2025-08-21T22:49:23Z-
Data de disponibilização: dc.date.available2025-08-21T22:49:23Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s00784-021-04148-4-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/233435-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/233435-
Descrição: dc.descriptionObjectives: To make an in vitro assessment of fracture resistance of weakened and non-weakened teeth receiving intraradicular reinforcement using Rebilda bundled glass fiber–reinforced composite posts (GT), Rebilda conventional glass fiber posts (RP), or both systems combined (GT + RP). Materials and methods: Eighty sound bovine incisors were prepared and divided randomly into eight groups as follows: (a) nWnR: without simulating weakness, and without intraradicular reinforcement; (b) WnR: simulating weakness, but without intraradicular reinforcement; (c) nWGT: without simulating weakness, but with GT; (d) WGT: simulating weakness, and with GT; (e) nWRP: without simulating weakness, but with RP; (f) WRP: simulating weakness, and with RP; (g) nWGTRP: without simulating weakness, but with GT + RP; (h) WGTRP: simulating weakness, and with GT + RP. The specimens were subjected to the load-to-fracture test using the DL-2000MF universal testing machine. The finite element method assessed the mechanical behavior and stress distribution in endodontically treated teeth. Results: The groups nWGTRP and WGTRP presented the best results in the load-to-fracture test, with the former being better than the latter, but with no statistically significant difference (P > 0.05). However, there was a significant difference between these and the other groups (P < 0.05), except for nWRP. Stress distribution inside the canal wall was different among the groups, with promising mechanical behavior for nWGTRP and nWRP. Conclusions: The Rebilda conventional fiber post (RP), combined with the Rebilda bundled glass fiber–reinforced composite post (GT) improves the resistance and stress distribution of immature teeth. Clinical relevance: Longitudinal fracture is less frequent in teeth restored with GT and RP posts.-
Descrição: dc.descriptionDepartment of Restorative Dentistry Endodontics Division Institute of Science and Technology São Paulo State University (UNESP), Av. Francisco José Longo 777, São Dimas, SP-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Restorative Dentistry Operative Dentistry Division Institute of Science and Technology São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Restorative Dentistry Endodontics Division Institute of Science and Technology São Paulo State University (UNESP), Av. Francisco José Longo 777, São Dimas, SP-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Restorative Dentistry Operative Dentistry Division Institute of Science and Technology São Paulo State University (UNESP)-
Formato: dc.format1725-1735-
Idioma: dc.languageen-
Relação: dc.relationClinical Oral Investigations-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectFracture resistance-
Palavras-chave: dc.subjectGlass fiber post-
Palavras-chave: dc.subjectStress distribution-
Título: dc.titleFracture resistance and stress distribution of weakened teeth reinforced with a bundled glass fiber–reinforced resin post-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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