Colour stability of porcelain repair materials with accelerated ageing

Journal of Oral Rehabilitation
G SaygiliF Demirel

Abstract

The purpose of this study was to measure and compare the colour stability of three porcelain repair materials (Charizma, Clearfil and Silux Plus) with an all-ceramic material following accelerated ageing. Three composites and one ceramic control were subjected to accelerated ageing for a period of 300 h. Initial specimen colour parameters were determined in the Commission International de I'Eclairage Lab (CIELAB) colour order system with a colorimeter. Colour changes were calculated before (DeltaE) and after 300 h of accelerated ageing (DeltaE*). Colour difference data were subjected to one-way analysis of variance (anova) followed by Duncan's test to examine the interaction between material and time interval of ageing. There were no significant difference between DeltaL values of Porcelain-Charizma and Porcelain-Silux Plus. All mean DeltaL* values were negative after 300 h ageing. Porcelain-Silux Plus demonstrated the highest DeltaL* of the investigated groups. There were significant differences between baseline 300-h aged specimens with respect to Deltaa*, Deltaa for either of the investigated materials. For Silux Plus, Deltaa and Deltaa* values were significantly higher than the others. Significant differences were observed ...Continue Reading

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Citations

Oct 6, 2012·Dental Materials Journal·Ali Riza Tuncdemir, Filiz Aykent
Sep 16, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Isil KaraokutanEda Ozdere
Jun 1, 2018·BioMed Research International·Ali Riza Tuncdemir, Mehmet Esad Güven

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