Effects of hydrogen peroxide-based mouthwashes on color changes of stained direct composite resins

Muhammet Karadas, Murat Alkurt, Z. Duymus
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引用次数: 8

Abstract

Objective: The aim of this study was to evaluate the effect of three mouthwashes on color changes of three composite resins stained with tea. Materials and Methods: Fifty specimens were prepared for each of the three composite resins [Clearfil Majesty Esthetic (CME), Filtek Z250 (Z25), and Charisma (CH)], and the specimens were then stained in a tea solution. Each composite group was randomly divided into five subgroups (n = 10) according to the product applied: Distilled water (DW) (negative control); Crest 3D White mouthwash (CR); Listerine whitening mouthwash (LS); Scope White SC mouthwash (SC), and Opalescence PF gel (OP) (10% carbamide peroxide, positive control). The color of the specimens was measured with a spectrophotometer at baseline, after staining, and on the 7th, 28 th , and 56 th days of the treatment period. The color differences (ΔE) were analyzed with a three-way analysis of variance (ANOVA), followed by Tukey′s test (P < 0.05). Results: Compared with the clinically acceptable threshold unit, the level of staining on all the composite resins was considerably high (ΔE > 3.3). The composite resin, mouthwash, immersion time, and their interaction had a significant effect on the color change procedure (P < 0.05), but the immersion time × mouthwash × composite did not. Conclusion: The discoloration of the specimens after immersion in the mouthwashes decreased significantly over time. Only the staining of the CME specimens treated with CR, LS, and OP decreased to a clinically acceptable level at the end-treatment period.
过氧化氢基漱口水对直接复合树脂染色后颜色变化的影响
目的:评价三种漱口水对三种复合树脂染色茶叶颜色变化的影响。材料与方法:将三种复合树脂[Clearfil Majesty Esthetic (CME), Filtek Z250 (Z25)和Charisma (CH)]各制备50个标本,然后在茶溶液中染色。每个复合组根据所用产品随机分为5个亚组(n = 10):蒸馏水(DW)为阴性对照;佳洁士3D美白漱口水(CR);李斯德林美白漱口水;范围:白色SC漱口水(SC)和Opalescence PF凝胶(OP)(10%过氧化脲,阳性对照)。在基线、染色后、治疗期第7、28、56天用分光光度计测定标本的颜色。色差分析(ΔE)采用三向方差分析(ANOVA),随后采用Tukey检验(P < 0.05)。结果:与临床可接受的阈值单位相比,所有复合树脂的染色水平都相当高(ΔE > 3.3)。复合树脂、漱口水、浸泡时间及其交互作用对变色过程有显著影响(P < 0.05),而浸泡时间×漱口水×复合树脂对变色过程无显著影响。结论:随着时间的推移,漱口水浸泡后的标本变色明显减少。只有经CR、LS和OP处理的CME标本的染色在治疗结束时下降到临床可接受的水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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