Effect of Dentin Bonding and Ferrule Preparation on the Fracture Strength of Crowned Teeth Restored With Dowels and Amalgam Cores

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dc.contributor.authorAykent, Filiz
dc.contributor.authorKalkan, Mustafa
dc.contributor.authorYücel, Münir Tolga
dc.contributor.authorÖzyeşil, Atilla Gökhan
dc.date.accessioned2020-03-26T17:03:23Z
dc.date.available2020-03-26T17:03:23Z
dc.date.issued2006
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractStatement of problem. It is necessary to obtain an adequate bond at the core/dentin junction where the majority of failures occur. The effect of recently developed dentin bonding agents on the fracture resistance of endodontically treated teeth at the amalgam core/dentin junction is unclear. Purpose. The Purpose of this study, was to evaluate the effects of 2 dentin bonding agents and a ferrule preparation on the fracture resistance of crowned mandibular premolars incorporating prefabricated dowel and silver amalgam cores. Material and methods. Sixty extracted mandibular second premolars were divided into 6 groups of 10 each. The coronal portion of each tooth was removed at the cemento-enamel junction (CEJ) in the first 3 groups. In the other groups, teeth were sectioned 1 nun above the CEJ to create a ferrule. After root canal preparations, prefabricated dowels (ParaPost) were placed. The first group served as a control and was tested without application of bonding agents and without incorporation of a ferrule design. In the second and third groups, respectively, an autopolymerizing adhesive (Superbond D-Liner) and a dual-polymerizing adhesive (Panavia F) were applied to tooth surfaces before restorative procedures. For the fourth (ferrule) group, no bonding agent was applied, but a 1-mm ferrule preparation was used. In the fifth (ferrule+D-Liner) and sixth (ferrule+Panavia F) groups, respectively, autopolymerizing and dual-polymerizing bonding agents were used in conjunction with the ferrule preparation. After amalgam core fabrication, Ni-Cr full cast crowns for each group were prepared and cemented. All specimens were stored in water for I week and thermal cycled 1000 times between 5 degrees and 55 degrees C. A compressive shear load was applied at an angle of 135 degrees to the crown, and the maximum load at fracture (N) was recorded. The data were analyzed with 1-way ANOVA and Tukey Honestly Significant Difference tests (alpha=.05). Results. Significantly higher fracture strength values were demonstrated for the ferrule+Panavia F (652.5 N), ferrule+D-liner (649.1 N) and ferrule (592.4 N) groups, respectively, than for the other groups. The next highest fracture strength values were found for the D-Liner (485.0 N) and Panavia F (486.3 N) groups. The control group (376.6 N) demonstrated the lowest fracture strength in all test groups (P<.001). Conclusion. A ferrule preparation or a bonding agent designed for silver amalgam core-dentin bonding can each increase the fracture strength for teeth receiving cast crowns after endodontic therapy and dowel and amalgam core restorations.en_US
dc.identifier.citationÖzyeşil, A. G., Yücel, M. T., Kalkan, M., Aykent, F., (2006). Effect of Dentin Bonding and Ferrule Preparation on the Fracture Strength of Crowned Teeth Restored With Dowels and Amalgam Cores. Journal of Prosthetic Dentistry, 95(4), 297-301. Doi: 10.1016/j.prosdent.2006.02.025
dc.identifier.doi10.1016/j.prosdent.2006.02.025en_US
dc.identifier.endpage301en_US
dc.identifier.issn0022-3913en_US
dc.identifier.issn1097-6841en_US
dc.identifier.issue4en_US
dc.identifier.pmid16616127en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage297en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.prosdent.2006.02.025
dc.identifier.urihttps://hdl.handle.net/20.500.12395/20443
dc.identifier.volume95en_US
dc.identifier.wosWOS:000236861000006en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAykent, Filiz
dc.institutionauthorÖzyeşil, Atilla Gökhan
dc.institutionauthorYücel, Münir Tolga
dc.language.isoenen_US
dc.publisherMosby-Elsevieren_US
dc.relation.ispartofJournal of Prosthetic Dentistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleEffect of Dentin Bonding and Ferrule Preparation on the Fracture Strength of Crowned Teeth Restored With Dowels and Amalgam Coresen_US
dc.typeArticleen_US

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