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dc.creatorEid, R.
dc.creatorJuloski, Jelena
dc.creatorOunsi, H.
dc.creatorSilwaidi, M.
dc.creatorFerrari, Marco
dc.creatorSalameh, Z.
dc.date.accessioned2020-07-02T13:23:27Z
dc.date.available2020-07-02T13:23:27Z
dc.date.issued2019
dc.identifier.issn1526-3711
dc.identifier.urihttps://smile.stomf.bg.ac.rs/handle/123456789/2412
dc.description.abstractAim: To evaluate the fracture resistance and failure pattern of custom made computer-aided design & computer-aided manufacturing (CAD/CAM) post and cores using a fiber reinforced composite material (FRC) and a high-density-polymer. Materials and methods: Thirty extracted mandibular second premolars were selected, endodontically treated and prepared to receive the posts. The specimens were randomly divided into three groups (n = 10) according to each material: group 1 (RXP): fiber posts (Rely X, 3M-ESPE) with composite core build-up (Filtek Bulk Fill Posterior, 3M-ESPE) as a control group; group 2 (BLC): one-piece milled post and core from fiber reinforced composite blocks (Trilor, Bioloren); and group 3 (AMC): one-piece milled post and core from hybrid ceramic disks (Ambarino, Creamed). All the posts were cemented using a self-adhesive resin cement (Rely X U200, 3M ESPE). Fracture resistance was tested using a universal testing machine, failure patterns were then observed visually and radiographically then evaluated under SEM. Data was analyzed using One-way analysis of variance (ANOVA) followed by Tamhane post-hoc test in order to determine significant differences among groups (α = 0.05). Results: The mean fracture resistance values were: 426.08 ± 128.26 N for group 1 (R X P), 367.06 ± 72.34N for group 2 (BLC), and 620.02 ± 5 4.29N f or g roup 3 ( AMC). S tatistical analysis revealed that group 3 (AMC) had the highest mean load to fracture in comparison to the other groups (p = 0.000). failures were cohesive in group 2 and 3 and mixed in group 1 with no catastrophic failures reported in all groups. Conclusion: All systems evaluated presented sufficient mean load-to-failure values for endodontically treated teeth restorations. CAD/CAM post and cores made from high-densitypolymer showed a better performance than prefabricated fiber posts.en
dc.publisherJaypee Brothers Medical Publishers (P) Ltd
dc.rightsopenAccess
dc.sourceJournal of Contemporary Dental Practice
dc.subjectFiber reinforced compositeen
dc.subjectFracture resistanceen
dc.subjectHigh-density polymeren
dc.subjectLaboratory testen
dc.subjectOne-piece post and coreen
dc.titleFracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot studyen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractЕид, Р.; Јулоски, Јелена; Феррари, Марцо; Саламех, З.; Силwаиди, М.; Оунси, Х.;
dc.citation.volume20
dc.citation.issue1
dc.citation.spage56
dc.citation.epage63
dc.citation.other20(1): 56-63
dc.identifier.doi10.5005/jp-journals-10024-2476
dc.identifier.pmid31102396
dc.identifier.scopus2-s2.0-85064765590
dc.identifier.fulltexthttps://smile.stomf.bg.ac.rs/bitstream/id/946/2407.pdf
dc.type.versionpublishedVersion


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