Effect of sintering and aging processes on the mechanical and optical properties of translucent zirconia

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dc.authorid0000-0001-8055-3470en_US
dc.authorid0000-0002-2864-6589en_US
dc.contributor.authorKılınç, Hamiyet
dc.contributor.authorŞanal, Fatma Ayşe
dc.date.accessioned2023-05-23T06:24:36Z
dc.date.available2023-05-23T06:24:36Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Diş Hekimliği Fakültesi, Protetik Diş Tedavisi Ana Bilim Dalıen_US
dc.description.abstractStatement of problem. Sintering holding times and aging conditions may affect the optical, mechanical, and structural properties of polychromatic multitranslucent zirconia. However, a consensus on the ideal sintering condition for this material is lacking. Purpose. The purpose of this in vitro study was to investigate the effect of different sintering holding and autoclave aging times on the flexural strength (FS), grain size, and translucency parameter (TP00) of a translucent zirconia. Material and methods. Sixty bar-shaped and 60 rectangular-shaped specimens were prepared from computer-aided design and computer-aided manufacturing (CAD-CAM) zirconia blocks and split into 2 groups to be sintered at 1550 degrees C for different holding times (regular: 2 hours, prolonged: 5 hours). The specimens were then divided into 3 subgroups and subjected to aging processes (control, aging for 60 minutes, aging for 120 minutes). FS values were obtained by using a 3-point bend test and Weibull analysis was conducted. Grain size evaluations were performed by using scanning electron microscope (SEM) observations. TP00 was measured with a spectrophotometer. Statistical evaluation included the Kolmogorov-Smirnov, 2-way ANOVA, and Tukey HSD tests (alpha=.05). Results. The sintering procedure, aging, and their interaction significantly influenced the TP00 (P<.05). FS values and grain sizes were affected by aging only (P<.001). Both aging times resulted in reduced FS and increased grain sizes. Prolonged sintering in combination with 120 minutes of aging negatively affect the TP00 scores (P<.05). Conclusions. FS values were similar under regular and prolonged sintering. Prolonged sintering led to a decrease in translucency after 120 minutes of aging. Steam autoclave aging can affect the optical and mechanical properties of translucent zirconia.en_US
dc.identifier.citationKilinc, H., & Sanal, F. A. (2021). Effect of sintering and aging processes on the mechanical and optical properties of translucent zirconia. The Journal of Prosthetic Dentistry, 126(1), 129-e1.en_US
dc.identifier.doi10.1016/j.prosdent.2021.03.024
dc.identifier.issn0022-3913
dc.identifier.issn1097-6841
dc.identifier.issue1en_US
dc.identifier.pmid33965239en_US
dc.identifier.scopus2-s2.0-85105326890en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.prosdent.2021.03.024
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10933
dc.identifier.volume126en_US
dc.identifier.wosWOS:000670295900026en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorKılınç, Hamiyet
dc.institutionauthorŞanal, Fatma Ayşe
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.subjectLow-Temperature Degradationen_US
dc.subjectFlexural Strengthen_US
dc.subjectGrain-Sizeen_US
dc.subjectCeramicsen_US
dc.subjectRestorationsen_US
dc.titleEffect of sintering and aging processes on the mechanical and optical properties of translucent zirconiaen_US
dc.typeArticleen_US

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