Effect of repeated firings on the marginal and internal adaptation of implant-supported metal-ceramic restorations fabricated with different thicknesses and fabrication methods

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dc.authoridOGUNC, Abdurrahman/0000-0003-3245-6347
dc.authorwosidöğünç, Abdurrahman/KII-1453-2024
dc.authorwosidyildirim avcu, guler/K-2278-2017
dc.contributor.authorOgunc, Abdurrahman
dc.contributor.authorAvcu, Guler Yildirim
dc.date.accessioned2024-08-04T20:49:17Z
dc.date.available2024-08-04T20:49:17Z
dc.date.issued2021
dc.departmentİnönü Üniversitesien_US
dc.description.abstractStatement of problem. The effect of repeated firing on the marginal and internal adaptation of copings fabricated with different techniques, thicknesses, and alloy types is unclear. Purpose. The purpose of this in vitro study was to compare the effects of repeated firing cycles on the marginal and internal adaptation of metal copings with different thicknesses fabricated by using casting, selective laser sintering (SLS), presintered soft metal milling (PSMM), postsintered hard metal milling (PHMM), and titanium milling methods. Material and methods. Single-unit implant-supported copings (N=120) were fabricated with 0.5mm and 1.5-mm thicknesses, and porcelain was applied in accordance with the manufacturer's instructions (n=12). The marginal and internal adaptation of the metal copings were examined before the firing cycles and after the fourth and seventh firing cycles by using a silicone replica technique with a stereomicroscope at x80 magnification. The results were analyzed by using 3-way analysis of variance for repeated measurements on a single factor, 2-way analysis of variance, and an independent samples t test (alpha=.05). Results. As a result of the repeated firing cycles, the changes in the marginal discrepancy and internal discrepancy values in the PSMM, PHMM, and titanium milling groups and the change in the internal discrepancy value in the casting group were statistically significantly different (P<.05). The effect of the interaction of the firing, method, and thickness difference on the marginal discrepancy and internal discrepancy values was not statistically significantly different (P>.05). Conclusions. After the firing cycles, the PSMM, SLS, and titanium milling groups were found to have better marginal and internal adaptation for both thicknesses than the casting and PHMM groups.en_US
dc.description.sponsorshipInonu University Scientific Research Projects Unit, Malatya, Turkey [TDH-2018-894]en_US
dc.description.sponsorshipSupported by grant No. TDH-2018-894 from Inonu University Scientific Research Projects Unit, Malatya, Turkey. Presented at the 2nd International Hippocrates Medical and Health Sciences Congress, Istanbul, Turkey, June 2019.en_US
dc.identifier.doi10.1016/j.prosdent.2020.10.021
dc.identifier.issn0022-3913
dc.identifier.issn1097-6841
dc.identifier.issue3en_US
dc.identifier.pmid33551136en_US
dc.identifier.scopus2-s2.0-85100639440en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.prosdent.2020.10.021
dc.identifier.urihttps://hdl.handle.net/11616/99759
dc.identifier.volume125en_US
dc.identifier.wosWOS:000631751100006en_US
dc.identifier.wosqualityQ1en_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.subject[No Keywords]en_US
dc.titleEffect of repeated firings on the marginal and internal adaptation of implant-supported metal-ceramic restorations fabricated with different thicknesses and fabrication methodsen_US
dc.typeArticleen_US

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