Fracture resistance of resin endocrowns with and without fiber reinforced composite base material: A preliminary study

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dc.contributor.authorBuyukbayram, Isil Kaya
dc.contributor.authorGueven, Mehmet Esad
dc.contributor.authorAyman, Deniz
dc.contributor.authorSener Yamaner, Isil Damla
dc.contributor.authorCakan, Engin Firat
dc.date.accessioned2024-02-23T14:27:11Z
dc.date.available2024-02-23T14:27:11Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractObjective:The aim of this study was to investigate the effects of fiber-reinforced composite base material on fracture resistance and fracture pattern of endodontically treated maxillary premolars restored with endocrowns using two different resin nanoceramic computer-aided design and computer-aided manufacturing (CAD/CAM) restorative material. Methods:Forty extracted sound maxillary premolars with an occlusal reduction of 2 mm above the cementoenamel junction (CEJ) was performed following root canal treatment. Mesial interproximal box was prepared for each tooth at the margin of the CEJ and randomly distributed into four groups (n = 10) as follows: Group A, no resin build-up in the pulp chamber; Group B, 2 mm of fiber-reinforced composite (FRC) build-up (EverX Posterior, GC).; Group C, no resin build-up in pulp chamber; Group D, 2 mm of FRC build-up. Groups A and B were prepared with resin nanoceramic (RNC) consisting ceramic nanofillers (Lava Ultimate 3 M ESPE), while Group C and D were prepared with RNC consisting ceramic nanohybrid fillers (Cerasmart GC Corp). All samples were subjected to 1,200,000 chewing cycles (1.6 Hz, 50 N) and 5000 thermal cycles (5 & DEG;C-55 & DEG;C) for artificial aging on a chewing simulator with thermal cycles (CSTC). Samples that survived the CSTC test without being damaged were subjected to a load-to-fracture test. Results:The highest mean fracture strength was found in Group D (936.0 & PLUSMN; 354.7) and lowest in Group A (684.2 & PLUSMN; 466.9). Fracture strength was higher in groups where FRC was used as a base material than plain restorations. However, there were no significant differences between the Lava and Cerasmart groups with and without FRC (p > 0.05). Most of the samples were irreparably fractured under CEJ. Conclusion:Using short FRCs as a resin base material did not significantly improve fracture resistance. Cerasmart and Lava blocks had similar fracture resistance and fracture pattern.en_US
dc.identifier.doi10.1177/22808000231151832
dc.identifier.issn2280-8000
dc.identifier.pmid36708253en_US
dc.identifier.scopus2-s2.0-85147093157en_US
dc.identifier.urihttps://doi.org/10.1177/22808000231151832
dc.identifier.urihttps://hdl.handle.net/20.500.12452/14474
dc.identifier.volume21en_US
dc.identifier.wosWOS:001061116300001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSage Publications Ltden_US
dc.relation.ispartofJournal Of Applied Biomaterials & Functional Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectEndocrownen_US
dc.subjectFiber-Reinforced Compositeen_US
dc.subjectCaden_US
dc.subjectCamen_US
dc.subjectMaxillary Premolaren_US
dc.subjectResin Nanoceramicen_US
dc.titleFracture resistance of resin endocrowns with and without fiber reinforced composite base material: A preliminary studyen_US
dc.typeArticleen_US

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