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KMID : 1157520220180020053
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International Journal of Clinical Preventive Dentistry
2022 Volume.18 No. 2 p.53 ~ p.57
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Comparison of Discoloration of Heat-Curing Resins for Denture Bases
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Bang Seong-Hyuk
Kim So-Min
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Abstract
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Objective: This study aims to contribute to the manufacturing of prosthetics with high patient satisfaction by testing and evaluating the discoloration and staining of three commonly used denture base resins (Hipac cozy, Paladent 20, and Rapid Simplified) caused by turmeric, coffee, Polydent, and deionized water.
Methods: After developing a specimen with three types of denture base resin according to the manufacturer’s instructions, samples were made with turmeric, coffee, Polydent, and deionized water, into which five specimens were each deposited. A spectrophotometer was used to measure and compare color change 5, 10, and 15 days after deposit.
Results: While differences with time (p=0.004) were observed, there were no differences among products (p=0.920). Hipac cozy’s color stability was inferior when compared to other denture base resins, and turmeric significantly changed the color of all denture base resins. Additionally, discoloration was severe in areas of the denture specimens where polishing was insufficient.
Conclusion: Clinical observation based on the above results indicates that because the turmeric used in this study caused a significant color change in denture base resins, routine turmeric consumption is unfavorable in terms of color stability.
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KEYWORD
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discoloration, heat-curing resin
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