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Whitening: is Omnichroma universal composite unchanging? Spectrophotometric evaluation.
J Clin Exp Dent
December 2024
Department of Surgical Sciences, Pediatrics and Gynecology, University of Verona, P.le L.A.Scuro, 10, 37134 Verona, Italy.
Background: This study aimed to evaluate the color stability of Class V anterior restorations with universal composite after professional bleaching using a spectrophotometer.
Material And Methods: Class V cavities were prepared and restored with universal composite in twenty-eight extracted anterior teeth. One week after restoration, color analysis was performed using the spectrophotometer.
Color match and stability of single-shade resin-based composites before and after artificial aging.
Am J Dent
December 2024
Department of Operative Dentistry, Federal University of Santa Catarina, Brazil.
Purpose: To evaluate the color match and stability of single-shade resin-based composites (RBCs) in Class V restorations before and after ultra-violet light artificial aging.
Methods: Acrylic resin teeth of A1 and A3 were randomly assigned into seven groups to be restored with single-shade RBCs and universal-shade RBCs, shades A1 and A3. Standardized Class V cavities were restored using RBC and underwent accelerated aging for 480 hours.
Visibility of Recurrent Caries Through Universal Shade Resin Composite Restorations.
Materials (Basel)
November 2024
Department of Restorative Dentistry, Faculty of Dental Medicine, Hokkaido University, Kita 13 Nishi 7, Kita-ku, Sapporo 060-8586, Japan.
This in vitro study aimed to investigate whether color differences in the stained cavity floor simulating recurrent caries can be detected using various restored resin composites. Artificial teeth were made with conventional resin composite (Estellite Sigma Quick A3; ET), and class V cavities were prepared. To simulate the color of caries, a dot was marked in the center of the cavity floor using four different magic pens.
View Article and Find Full Text PDFSurface Roughness and Color Stability of Newly Developed Resin Composites With Color Adjustment Potential After Immersion in Staining Solutions.
Oper Dent
January 2025
Hisham Khalid Alakhras, BDS, MClinDent (Restorative), Department of Conservative Dentistry, Jordan University of Science and Technology, Irbid, Jordan.
Article Synopsis
- The study evaluated the surface roughness and color stability of various resin composites, including new ones with color adjustment capability, after immersion in staining solutions like cola, coffee, and black tea.
- Filtek Z350XT showed the lowest surface roughness, significantly different from other composites with color adjustment potential, which had similar roughness levels.
- In terms of color change, Neo Spectra ST had the least color change, while Omnichroma and Charisma Diamond One exhibited the most significant color changes after exposure to staining solutions.
Effect of different polishing systems on surface roughness and gloss values of single-shade resin composites.
BMC Oral Health
November 2024
İzmir Training Dental Hospital, İzmir, Turkey.
Background: The aim of this study was to evaluate variations in the surface roughness and gloss of different single-shade resin composites after polishing with a range of systems.
Methods: In total, 120 specimens were prepared from three different types of single-shade resin composites (supra-nanospherical-Omnichroma, nanohybrid-Charisma Diamond One, and microhybrid- Essentia Universal). The specimens were placed in distilled water and stored at 37 °C for 24 h.
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