Color stability of denture resins after staining and exposure to cleansing agents

The Journal of Prosthetic Dentistry
Scott HollisAntheunis Versluis

Abstract

Hard denture acrylic resins must maintain color stability to remain esthetic. The purpose of this in vitro study was to measure the color stability of denture resins subjected to staining agents and cleaned with denture cleansers Forty-five disks (10-mm diameter, 2-mm thick) fabricated from 3 denture resins (light polymerized Eclipse; heat polymerized Lucitone 199 Heat; autopolymerized Lucitone 199 Repair) were stored for 24 hours in 37°C water. After baseline colorimetry measurement were made, the specimens were soaked for 8 hours in a staining agent: coffee, cola, or grape juice. Subsequently, the specimens were soaked for 12 hours in a commercial denture cleanser (Polident, GlaxoSmithKline; Efferdent, Prestige Brands Inc) or water (control). This procedure was repeated every 24 hours. Staining agents and cleansers were replenished every 24 hours. Color change (ΔE) was determined after 2, 4, 6, and 8 weeks (n=5). Results were submitted to analysis of variance and Tukey honest significant difference test (α=.05). Significant interaction was found between cleansers and staining agents (P=.006), cleansers and resins (P=.034), and resins and staining agents (P<.001). For the staining agent of grape juice, water allowed more disco...Continue Reading

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Citations

Feb 23, 2018·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Panagiotis ZoidisHien Chi Ngo
Jun 12, 2018·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Joel de Oliveira BarretoRômulo Rocha Regis

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