Effect of cement space on the marginal fit of CAD-CAM-fabricated monolithic zirconia crowns

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dc.authoridKALE, Ediz/0000-0001-8761-0298
dc.authoridYilmaz, Burak/0000-0002-7101-363X
dc.authoridOzcelik, Tuncer Burak/0000-0001-5685-4409
dc.contributor.authorKale, Ediz
dc.contributor.authorSeker, Emre
dc.contributor.authorYilmaz, Burak
dc.contributor.authorOzcelik, Tuncer Burak
dc.date.accessioned2024-09-18T21:03:09Z
dc.date.available2024-09-18T21:03:09Z
dc.date.issued2016
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractStatement of problem. Monolithic zirconia crowns fabricated with computer-aided design and computer-aided manufacturing (CAD-CAM) have recently become a common practice for the restoration of posterior teeth. The marginal fit of monolithic zirconia crowns may be affected by different cement space parameters set in the CAD software. Information is scarce regarding the effect of cement space on the marginal fit of monolithic zirconia crowns fabricated with CAD CAM technology. Purpose. The purpose of this in vitro study was to evaluate the effect of cement space on the marginal fit of CAD-CAM-fabricated monolithic zirconia crowns before cementation. Material and methods. Fifteen right maxillary first molar typodont teeth with standardized anatomic preparations for complete-coverage ceramic crowns were scanned with a 3-dimensional laboratory scanner. Crowns were designed 3-dimensionally using software and then milled from presintered monolithic zirconia blocks in a computer numerical control dental milling machine. The cement space was set at 25 mu m around the margins for all groups, and additional cement space starting 1 mm above the finish lines of the teeth was set at 30 mu m for group 25-30, 40 mu m for group 25-40, and 50 mu m for group 25-50 in the CAD software. A total of 120 images (3 groups, 5 crowns per group, 8 sites per crown) were measured for vertical marginal discrepancy under a stereoscopic zoom microscope and the data were statistically analyzed with 1-way analysis of variance, followed by the Tukey honestly significant difference test (alpha=.05). Results. The results showed that different cement space values had statistically significant effect on the mean vertical marginal discrepancy value of tested crowns (P<.001). The mean marginal discrepancy was 85 mu m for group 25-30, 68 mu m for group 25-40, and 53 mu m for group 25-50. Conclusions. Within the limitations of this in vitro study, it was concluded that the cement space had a significant effect on the marginal fit of CAD-CAM-fabricated monolithic zirconia crowns. The marginal fit improved as the cement space decreased.en_US
dc.identifier.doi10.1016/j.prosdent.2016.05.006
dc.identifier.endpage895en_US
dc.identifier.issn0022-3913
dc.identifier.issn1097-6841
dc.identifier.issue6en_US
dc.identifier.pmid27460314en_US
dc.identifier.scopus2-s2.0-84997294926en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage890en_US
dc.identifier.urihttps://doi.org/10.1016/j.prosdent.2016.05.006
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13279
dc.identifier.volume116en_US
dc.identifier.wosWOS:000389498300014en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
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/closedAccessen_US
dc.subjectFixed Dental Prosthesesen_US
dc.subjectAll-Ceramic Crownsen_US
dc.subjectIn-Vitroen_US
dc.subjectSingle Crownsen_US
dc.subjectImplant Abutmentsen_US
dc.subjectPartial Dentureen_US
dc.subjectInternal Fiten_US
dc.subjectCopingsen_US
dc.subjectAccuracyen_US
dc.subjectThicknessen_US
dc.titleEffect of cement space on the marginal fit of CAD-CAM-fabricated monolithic zirconia crownsen_US
dc.typeArticleen_US

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