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.authorid0000-0002-5158-3379
dc.contributor.authorNezir, Merve
dc.contributor.authorArslandaş Dinçtürk, Beyza
dc.contributor.authorSarı, Ceyda
dc.contributor.authorKedici Alp, Cemile
dc.contributor.authorAltınışık, Hanife
dc.date.accessioned2024-06-03T11:01:05Z
dc.date.available2024-06-03T11:01:05Z
dc.date.issued2024
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Restoratif Diş Tedavisi Ana Bilim Dalı
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.
dc.description.sponsorshipGazi University.en_US
dc.identifier.citationNezir, M., Arslandaş Dinçtürk, B., Sarı, C., Kedici Alp, C. ve Altınışık, H. (2024). Effect of fiber-reinforced direct restorative materials on the fracture resistance of endodontically treated mandibular molars restored with a conservative endodontic cavity design. Clinical Oral Investigations, 28(6). http://dx.doi.org/10.1007/s00784-024-05720-4
dc.identifier.doi10.1007/s00784-024-05720-4
dc.identifier.issn1432-6981
dc.identifier.issn1436-3771
dc.identifier.issue6
dc.identifier.pmid38750289
dc.identifier.scopus2-s2.0-85193321615
dc.identifier.scopusqualityQ1
dc.identifier.urihttp://dx.doi.org/10.1007/s00784-024-05720-4
dc.identifier.urihttps://hdl.handle.net/20.500.12511/12551
dc.identifier.volume28
dc.identifier.wos001224178200002en_US
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorSarı, Ceyda
dc.language.isoen
dc.relation.ispartofClinical Oral Investigationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAccess Cavity
dc.subjectBulk-Fill
dc.subjectEndodontic Treatment
dc.subjectFiber
dc.subjectResin Composite
dc.titleEffect of fiber-reinforced direct restorative materials on the fracture resistance of endodontically treated mandibular molars restored with a conservative endodontic cavity design
dc.typeArticle

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