Effect of fiber-reinforced direct restorative materials on the fracture resistance of endodontically treated mandibular molars restored with a conservative endodontic cavity design

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dc.authoridNEZİR, Merve/0000-0001-8902-5471
dc.authoridSARI, ceyda/0000-0002-5158-3379
dc.authoridKedici Alp, Cemile/0000-0002-1847-1367
dc.authoridArslandas, Beyza/0000-0002-3581-4210
dc.authorwosidNEZİR, Merve/ACY-2667-2022
dc.contributor.authorNezir, Merve
dc.contributor.authorDinctuerk, Beyza Arslandas
dc.contributor.authorSari, Ceyda
dc.contributor.authorAlp, Cemile Kedici
dc.contributor.authorAltinisik, Hanife
dc.date.accessioned2024-06-12T10:55:25Z
dc.date.available2024-06-12T10:55:25Z
dc.date.issued2024
dc.departmentTrakya Üniversitesien_US
dc.description.abstractObjective This study aimed to evaluate the fracture strength of teeth restored using fiber-reinforced direct restorative materials after endodontic treatment with a conservative mesio-occlusal access cavity design. Materials and methods A total of 100 extracted intact mandibular first molars were selected and distributed into a positive control group where teeth left intact and the following four test groups comprised of teeth with conservative mesio-occlusal access cavities that had undergone root canal treatment (n = 20/group): access cavity without restoration (negative control), bulk-fill resin composite with horizontal glass fiber post reinforcement, fiber-reinforced composite with bulk-fill resin and bulk-fill resin composite. Following thermocycling (10,000 cycles), fracture resistance was measured using a universal testing machine. Statistical analyses (one-way analysis of variance and the Tamhane test) were performed, and statistical significance was set at p < 0.05. Results Groups with minimally invasive access cavities had lower fracture strength than intact teeth, regardless of the restoration material (p < 0.05). Fiber-reinforced composite groups demonstrated higher fracture strength than bulk-fill resin composite alone (p < 0.05). Fracture types varied among groups, with restorable fractures predominant in the fiber-reinforced composite groups. Conclusion This study suggests that using fiber-reinforced composite materials, especially in combination with bulk-fill resin composites, can effectively enhance the fracture strength of endodontically treated teeth with conservative access cavities. However, using only bulk-fill resin composite is not recommended based on the fracture strength results. Clinical significance When teeth that undergo endodontic treatment are restored using a conservative access cavity design and fiber-reinforced composite materials, especially in combination with bulk-fill resin composites, the fracture strength of the teeth can be effectively increased.en_US
dc.description.sponsorshipGazi Universityen_US
dc.description.sponsorshipNo Statement Availableen_US
dc.identifier.doi10.1007/s00784-024-05720-4
dc.identifier.issn1432-6981
dc.identifier.issn1436-3771
dc.identifier.issue6en_US
dc.identifier.pmid38750289en_US
dc.identifier.urihttps://doi.org/10.1007/s00784-024-05720-4
dc.identifier.urihttps://hdl.handle.net/20.500.14551/19406
dc.identifier.volume28en_US
dc.identifier.wosWOS:001224178200002en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringer Heidelbergen_US
dc.relation.ispartofClinical Oral Investigationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBulk-Fillen_US
dc.subjectFiberen_US
dc.subjectAccess Cavityen_US
dc.subjectEndodontic Treatmenten_US
dc.subjectResin Compositeen_US
dc.subjectLong-Term Survivalen_US
dc.subjectBond Strengthen_US
dc.subjectResin Compositeen_US
dc.subjectBiomechanical Behavioren_US
dc.subjectMaxillary Premolarsen_US
dc.subjectAdhesive Systemsen_US
dc.subjectAccess Cavitiesen_US
dc.subjectGlass-Fiberen_US
dc.subjectTeethen_US
dc.subjectDentinen_US
dc.titleEffect of fiber-reinforced direct restorative materials on the fracture resistance of endodontically treated mandibular molars restored with a conservative endodontic cavity designen_US
dc.typeArticleen_US

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