ArticleMaterials (Basel, Switzerland)2026
Color Stability of Conventional and Bulk-Fill Resin Composites in Health-Oriented Beverages.
Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
objectiveTo compare the color stability of a conventional nanofilled composite (Filtek Ultimate, FU) and a bulk-fill composite (Filtek Bulk Fill, FB) after immersion in health-oriented beverages. MATERIALS AND
methodsA total of 120 disc-shaped specimens (n = 10 per group) were prepared from the two composites and immersed for 12 days in distilled water (control), orange juice, green detox, red detox, pomegranate juice, or multivitamin water. Color coordinates (L*, a*, b*) were measured with a spectrophotometer at baseline and after immersion, and ΔL*, Δa*, Δb*, and ΔE were calculated using the CIELAB system. Data were analyzed using two-way ANOVA with Games-Howell and Welch's
resultsMaterial, immersion solution, and their interaction significantly affected all color parameters (
conclusionsThe bulk-fill composite was significantly more susceptible to discoloration than the nanofilled composite for all beverages. Health-oriented drinks, particularly orange, pomegranate, and red detox juices, produced clinically unacceptable color changes that should be considered in esthetic treatment and dietary counseling.
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