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首页> 外文期刊>Journal of esthetic and restorative dentistry: official publication of the American Academy of Esthetic Dentistry ... [et al.] >Shade guide optimization--a novel shade arrangement principle for both ceramic and composite shade guides when identifying composite test objects.
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Shade guide optimization--a novel shade arrangement principle for both ceramic and composite shade guides when identifying composite test objects.

机译：遮光帘优化-识别复合测试对象时，陶瓷和复合遮光帘的新颖遮光布置原理。

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STATEMENT OF PROBLEM: The most widely used shade guide for composite materials is made of ceramic and arranged according to a non-proven method. There is a need for a composite shade guide using a scientifically based arrangement principle. PURPOSE: To compare the shade tab arrangement of the Vitapan Classical shade guide and an individually made composite shade guide using both the originally proposed arrangement principle and arranged according to DeltaE2000 values with hue group division. MATERIALS AND METHODS: An individual composite shade guide made from Filtek Supreme XT body colors was compared to the Vitapan Classical shade guide. Twenty-five students matched color samples made from Filtek Supreme XT body colors using the two shade guides arranged after the two proposed principles--four shade guides in total. Age, sequence, gender, time, and number of correct matches were recorded. RESULTS: The proposed visually optimal composite shade guide was both fastest and had the highest number of correct matches. Gender was significantly associated with time used for color sampling but not regarding the number of correct shade matches. CONCLUSIONS: A composite shade guide is superior compared to the ceramic Vitapan Classical guide when using composite test objects. A rearrangement of the shade guide according to hue, subdivided according to DeltaE2000, significantly reduces the time needed to take a color sample and increases the number of correct shade matches. CLINICAL SIGNIFICANCE: Total color difference in relation to the lightest tab with hue group division is recommended as a possible and universally applicable mode of tab arrangement in dental color standards. Moreover, a shade guide made of the composite materials itself is to be preferred as both a faster and more accurate method of determining color.
机译：问题陈述：用于复合材料的最广泛使用的阴影指南由陶瓷制成，并根据未经验证的方法进行布置。需要使用基于科学的布置原理的复合阴影引导件。用途：比较Vitapan Classical阴影指南的阴影选项卡布置和使用最初建议的排列原理并根据带有色相组划分的DeltaE2000值排列的单独制作的复合阴影指南。材料和方法：将由Filtek Supreme XT车身颜色制成的单独的复合阴影指南与Vitapan Classical阴影指南进行了比较。二十五名学生使用按照两个提出的原理排列的两个阴影指南匹配了由Filtek Supreme XT车身颜色制成的颜色样本-总共四个阴影指南。记录年龄，顺序，性别，时间和正确匹配的次数。结果：拟议的视觉上最佳的复合阴影指南不仅速度最快，而且匹配次数最多。性别与用于颜色采样的时间显着相关，但与正确的阴影匹配次数无关。结论：当使用复合测试对象时，复合阴影指南优于陶瓷Vitapan Classical指南。根据色相重新排列的阴影指南（根据DeltaE2000进行细分），可显着减少获取颜色样本所需的时间，并增加正确的阴影匹配次数。临床意义：建议将最浅的标签与色相组相关的总色差，作为在牙科颜色标准中可能且普遍适用的标签排列方式。此外，由复合材料本身制成的阴影引导件将是优选的，因为它是确定颜色的更快且更准确的方法。

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