The effect of repeated firings on the color of an alumina ceramic system with two different veneering porcelain shades

Basit Öğe Kaydı
dc.contributor.authorŞahin, Volkan
dc.contributor.authorUludağ, Bülent
dc.contributor.authorÜşümez, Aslıhan
dc.contributor.authorÖzkır, Serhat Emre
dc.date.accessioned2020-06-25T17:49:04Z
dc.date.available2020-06-25T17:49:04Z
dc.date.issued2010
dc.departmentKırıkkale Üniversitesi
dc.descriptionOZKIR, Serhat Emre/0000-0001-5952-240X;
dc.description.abstractStatement of problem Possible sources of processing variables in porcelain firing include thickness and color of the opaque, thickness, color, and translucency of the body and enamel layers, firing temperature, and number of firings Purpose The purpose of this in vitro study was to investigate the color changes of an alumina ceramic system veneered with different veneering porcelain shades and fired different numbers of times Material and methods Twenty disc-shaped ceramic specimens (10 mm in diameter, with a core thickness of 1 mm), with 2 different veneering porcelain shades (A1, A3), were fabricated from an alumina ceramic system (Turkom-Cera) (n=10) Repeated firings (3, 5, 7, or 9 firings) were performed, and color differences (Delta E) were determined using a spectrophotometer Repeated-measures ANOVA was used to analyze the data (number of firings, veneering porcelain color) The Duncan test and paired 2-tailed tests were used for multiple comparisons (alpha = 05) Results The L*a*b* values of the ceramic system were affected by the number of firings (3, 5, 7, or 9) (P < 005) and veneering porcelain shade (P < 001) Significant interactions were present between the number of firings and the veneering porcelain shade for L* (P = 002), a* (P = 001), and b* (P = 001) values A1 shade specimens maintained their L* value independent of the number of firings, whereas A3 shade specimens became lighter after an increased number of firings For both A1 and A3 veneering porcelain shades, the a* value decreased after repeated firings, which resulted in less reddish specimens, and the b* value decreased after repeated firings, which resulted in less yellowish specimens Conclusions Imperceptible (Delta E<1 6) and clinically acceptable color changes (Delta E<3 7) were demonstrated by the alumina ceramic system tested (J Prosthet Dent 2010,104 372-378)en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/S0022-3913(10)60169-2
dc.identifier.endpage378en_US
dc.identifier.issn0022-3913
dc.identifier.issn1097-6841
dc.identifier.issue6en_US
dc.identifier.pmid21095400
dc.identifier.scopus2-s2.0-78649465827
dc.identifier.scopusqualityQ1
dc.identifier.startpage372en_US
dc.identifier.urihttps://doi.org/10.1016/S0022-3913(10)60169-2
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4628
dc.identifier.volume104en_US
dc.identifier.wosWOS:000285901700006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMosby-Elsevieren_US
dc.relation.ispartofJournal Of Prosthetic Dentistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleThe effect of repeated firings on the color of an alumina ceramic system with two different veneering porcelain shadesen_US
dc.typeArticle

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