Marcel Reymus, Anja Liebermann, Sebastian Spintzyk, Bogna Stawarczyk
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Qualitative surface observation was performed with scanning electron microscopy (SEM). Data were analyzed using Kolmogorov-Smirnov test, Mann-Whitney <i>U</i> test, and one-way ANOVA with Tukey post hoc test.</p><p><strong>Results: </strong>The highest influence on ΔE after immersion was observed for storage medium (ηη<sub>P</sub><sup>2</sup> = 0.878, <i>P</i> < .001), followed by the interaction between storage medium and material (η<sub>P</sub><sup>2</sup> = 0.770, <i>P</i> < .001) and material (η<sub>P</sub><sup>2</sup> = 0.306, <i>P</i> < .001). For ΔE after polishing, the highest influence was indicated by the interaction between material and medium (η<sub>P</sub><sup>2</sup> = 0.554, <i>P</i> < .001), followed by medium (η<sub>P</sub><sup>2</sup> = 0.244, <i>P</i> < .001) and material (η<sub>P</sub><sup>2</sup> = 0.196, <i>P</i> < .001). Immersion in carrot juice led to the highest color change (ΔE: 8.0 to 10.4), whereas the lowest values were recorded in distilled water (ΔE: 2.0 to 2.4). Carrot juice and the energy drink caused the highest Ra values (0.120 μm to 0.355 μm). SEM pictures indicated a loss of the organic matrix after manual polishing.</p><p><strong>Conclusion: </strong>The different materials reacted dissimilarly to the various storage media in terms of discoloration. Surface roughness increased after immersion or polishing. Neither discoloration nor surface roughness could be reset to default by manual polishing. 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Discoloration (ΔE) was investigated with a spectrophotometer. Measurements were taken before immersion in storage media (carrot juice, curry, cigarette smoke, red wine, energy drink, and distilled water), after 2 weeks of immersion, and after manual polishing of the specimens following immersion. The average surface roughness (Ra) was measured with a profilometer. Qualitative surface observation was performed with scanning electron microscopy (SEM). Data were analyzed using Kolmogorov-Smirnov test, Mann-Whitney <i>U</i> test, and one-way ANOVA with Tukey post hoc test.</p><p><strong>Results: </strong>The highest influence on ΔE after immersion was observed for storage medium (ηη<sub>P</sub><sup>2</sup> = 0.878, <i>P</i> < .001), followed by the interaction between storage medium and material (η<sub>P</sub><sup>2</sup> = 0.770, <i>P</i> < .001) and material (η<sub>P</sub><sup>2</sup> = 0.306, <i>P</i> < .001). For ΔE after polishing, the highest influence was indicated by the interaction between material and medium (η<sub>P</sub><sup>2</sup> = 0.554, <i>P</i> < .001), followed by medium (η<sub>P</sub><sup>2</sup> = 0.244, <i>P</i> < .001) and material (η<sub>P</sub><sup>2</sup> = 0.196, <i>P</i> < .001). Immersion in carrot juice led to the highest color change (ΔE: 8.0 to 10.4), whereas the lowest values were recorded in distilled water (ΔE: 2.0 to 2.4). Carrot juice and the energy drink caused the highest Ra values (0.120 μm to 0.355 μm). SEM pictures indicated a loss of the organic matrix after manual polishing.</p><p><strong>Conclusion: </strong>The different materials reacted dissimilarly to the various storage media in terms of discoloration. Surface roughness increased after immersion or polishing. Neither discoloration nor surface roughness could be reset to default by manual polishing. 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引用次数: 5
摘要
目的:研究四种CAD/CAM复合树脂在不同食品溶液中储存和暴露于香烟烟雾后的变色和表面特性。材料与方法:制备了Brilliant Crios (BC)、Cerasmart (GC)、Lava Ultimate (LU)、Shofu Block HC (SH)和Sonic Fill 2 (SO) 5种材料，共74个标本(N = 370)。用分光光度计测定变色(ΔE)。在浸泡储存介质(胡萝卜汁、咖喱、香烟烟雾、红酒、能量饮料和蒸馏水)前、浸泡2周后以及浸泡后对标本进行手工抛光后进行测量。用轮廓仪测量平均表面粗糙度(Ra)。用扫描电镜(SEM)对样品表面进行定性观察。数据分析采用Kolmogorov-Smirnov检验、Mann-Whitney U检验和Tukey事后检验的单因素方差分析。结果:浸泡后对ΔE的影响最大的是存储介质(ηηP2 = 0.878, P < 0.001)，其次是存储介质与材料的相互作用(ηηP2 = 0.770, P < 0.001)和材料(ηP2 = 0.306, P < 0.001)。对于抛光后的ΔE，材料与介质的相互作用影响最大(ηP2 = 0.554, P < .001)，其次是介质(ηP2 = 0.244, P < .001)和材料(ηP2 = 0.196, P < .001)。浸泡在胡萝卜汁中导致最大的颜色变化(ΔE: 8.0至10.4)，而蒸馏水中记录的最低值(ΔE: 2.0至2.4)。胡萝卜汁和能量饮料的Ra值最高(0.120 ~ 0.355 μm)。扫描电镜图像显示人工抛光后有机基体的损失。结论:不同材料对不同储存介质的变色反应不同。浸泡或抛光后表面粗糙度增加。无论是变色还是表面粗糙度都不能通过手动抛光重置为默认值。[J]中华口腔医学杂志[J]; 2009; 31(6): 394 - 398。doi: 10.11607 / ijp.6950。
Food Solutions and Cigarette Smoke-Dependent Changes in Color and Surface Texture of CAD/CAM Composite Resins-An In Vitro Study.
Purpose: To investigate the discoloration and surface properties of four CAD/CAM composite resins following storage in various food solutions and exposure to cigarette smoke.
Materials and methods: A total of 74 specimens (N = 370) were prepared for five materials: Brilliant Crios (BC), Cerasmart (GC), Lava Ultimate (LU), Shofu Block HC (SH), and Sonic Fill 2 (SO). Discoloration (ΔE) was investigated with a spectrophotometer. Measurements were taken before immersion in storage media (carrot juice, curry, cigarette smoke, red wine, energy drink, and distilled water), after 2 weeks of immersion, and after manual polishing of the specimens following immersion. The average surface roughness (Ra) was measured with a profilometer. Qualitative surface observation was performed with scanning electron microscopy (SEM). Data were analyzed using Kolmogorov-Smirnov test, Mann-Whitney U test, and one-way ANOVA with Tukey post hoc test.
Results: The highest influence on ΔE after immersion was observed for storage medium (ηηP2 = 0.878, P < .001), followed by the interaction between storage medium and material (ηP2 = 0.770, P < .001) and material (ηP2 = 0.306, P < .001). For ΔE after polishing, the highest influence was indicated by the interaction between material and medium (ηP2 = 0.554, P < .001), followed by medium (ηP2 = 0.244, P < .001) and material (ηP2 = 0.196, P < .001). Immersion in carrot juice led to the highest color change (ΔE: 8.0 to 10.4), whereas the lowest values were recorded in distilled water (ΔE: 2.0 to 2.4). Carrot juice and the energy drink caused the highest Ra values (0.120 μm to 0.355 μm). SEM pictures indicated a loss of the organic matrix after manual polishing.
Conclusion: The different materials reacted dissimilarly to the various storage media in terms of discoloration. Surface roughness increased after immersion or polishing. Neither discoloration nor surface roughness could be reset to default by manual polishing. Int J Prosthodont 2023;36:194-202. doi: 10.11607/ijp.6950.
期刊介绍：
Official Journal of the European Association for Osseointegration (EAO), the International College of Prosthodontists (ICP), the German Society of Prosthodontics and Dental Materials Science (DGPro), and the Italian Academy of Prosthetic Dentistry (AIOP)
Prosthodontics demands a clinical research emphasis on patient- and dentist-mediated concerns in the management of oral rehabilitation needs. It is about making and implementing the best clinical decisions to enhance patients'' quality of life via applied biologic architecture - a role that far exceeds that of traditional prosthetic dentistry, with its emphasis on materials and techniques. The International Journal of Prosthodontics is dedicated to exploring and developing this conceptual shift in the role of today''s prosthodontist, clinician, and educator alike. The editorial board is composed of a distinguished team of leading international scholars.
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