Dent Mater 2008 Oct 10;24(10):1329-35. Epub 2008 Apr 10.
Medical Faculty II, Poznań University of Medical Sciences, Bukowska 70, 60-812 Poznań, Poland.
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J Prosthodont 2012 Feb;21(2):112-22
Department of Gerodontology, University of Medical Sciences, Poznań, Poland Faculty of Commodity Science, The Poznań University of Economics, Poznań, Poland.
Purpose: To study luminescence, reflectance, and color stability of dental composites and ceramics.
Materials And Methods: IPS e.max, IPS Classic, Gradia, and Sinfony materials were tested, both unpolished (as-cast) and polished specimens. Read More
J Prosthet Dent 2005 Aug;94(2):118-24
Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey.
Statement Of Problem: The ability of tooth-colored restorative materials for provisional restorations to resist stains is important when interim prostheses are worn for a long period. Discoloration of provisional restorative materials may result in patient dissatisfaction and additional time and expense for replacement. However, the effect of different staining agents on the color difference of resin composite restorative materials has not been completely clarified. Read More
J Prosthet Dent 2005 May;93(5):453-8
Faculty of Dentistry, Department of Prosthodontics, Ondokuzmayis University, Kurupelit-Samsun, Turkey.
Statement Of Problem: The color stability of tooth-colored restorative materials for provisional restorations is of primary importance when provisional prostheses are worn long term. However, the effect of different polishing methods on the color difference of provisional restorative (PR) materials has not been completely clarified.
Purpose: The purpose of this study was to investigate the effect of different polishing methods on color stability of 2- and 3-component autopolymerized bis-acrylic composites, a light polymerized composite, and a methyl methacrylate-based PR material upon exposure to a staining agent. Read More
J Dent 2014 Jul 16;42(7):831-8. Epub 2014 Apr 16.
Department of Restorative Dentistry and Endodontics, International University of Catalonia, Barcelona, Spain. Electronic address:
Objectives: The aim of this study was to determine, by using a spectrophotometer device, the colour stainability of two indirect CAD/CAM processed composites in comparison with two conventionally laboratory-processed composites after being immersed 4 weeks in staining solutions such as coffee, black tea and red wine, using distilled water as control group.
Methods: Two indirect CAD/CAM composites (Lava Ultimate and Paradigm MZ100) and two conventionally laboratory-processed composites (SR Adoro and Premise Indirect) of shade A2 were selected (160 disc samples). Colour stainability was measured after 4 weeks of immersion in three staining solutions (black tea, coffee, red wine) and distilled water. Read More