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Effect of spectrophotometer biosafety barriers on composite resin color reading
Color Research and Application ( IF 1.4 ) Pub Date : 2021-10-07 , DOI: 10.1002/col.22743
Mayara C. Prado 1 , Vinicius F. Wandscher 2 , Ana Maria E. Marchionatti 2 , Jovito A. Skupien 1
Affiliation  

The purpose of this study is to verify whether the spectrophotometer makes similar color readings when subjected to the use of biosafety barriers. Eighty specimens were made in four colors of the Llis composite resin (EA1, DA1, EA3, DA3) and four of the Filtek Z350 XT (A1E, A1D, A3E e A3D) (n = 10). The specimens were subjected to color analysis with a VITA Easyshade device according to the groups regarding the physical barrier: the protector supplied with the VITA device, polyvinyl chloride plastic film, high-density polyethylene bag, and without protection as a control. The color difference (ΔE00) between control and groups was evaluated and compared with the perceptibility and acceptability thresholds. In the Filtek Z350 XT, there was a significant ΔE00 in color A3E, in the polyethylene bag (P < .001), and in color A1D, in the supplied protector (P = .01) in relation to the other groups. For Llis, in color EA1 for all protective barriers (P = .014), and in color DA1 only for polyethylene bag in relation to the other barriers (P = .02). ΔE00 was higher than the perceptible threshold for all groups, colors, and brands. The results below the threshold of acceptability in relation to the ΔE00 did not demonstrate consistency between barriers, colors, and resins. It was not possible to identify a statistically significant pattern of ΔE00 between the barriers. The ΔE00 were above the perceptibility threshold, and few were below the acceptability threshold. It was not possible to suggest that one biosafety barrier was superior to another or could be indicated.

中文翻译:

分光光度计生物安全屏障对复合树脂颜色读数的影响

本研究的目的是验证分光光度计在使用生物安全屏障时是否会产生相似的颜色读数。八十个样品用四种颜色的 Llis 复合树脂(EA1、DA1、EA3、DA3)和四种 Filtek Z350 XT(A1E、A1D、A3E e A3D)(n = 10)制成。使用 VITA Easyshade 设备根据物理屏障组对样本进行颜色分析:与 VITA 设备一起提供的保护器、聚氯乙烯塑料薄膜、高密度聚乙烯袋,并且没有保护作为对照。评估对照组和各组之间的色差(Δ E 00)并与可感知性和可接受性阈值进行比较。在 Filtek Z350 XT 中,有一个显着的 Δ E 00颜色 A3E,在聚乙烯袋中 ( P  < .001),颜色 A1D,在提供的保护器中 ( P  = .01),相对于其他组。对于 Llis,颜色 EA1 用于所有保护屏障 ( P  = .014),颜色 DA1 仅用于与其他屏障相关的聚乙烯袋 ( P  = .02)。ΔE 00高于所有组、颜色和品牌的可感知阈值低于与ΔE 00相关的可接受阈值的结果未证明阻隔层、颜色和树脂之间的一致性。无法确定Δ E 00的统计显着模式障碍之间。ΔE 00高于可感知阈值,很少低于可接受阈值。不可能提出一种生物安全屏障优于另一种生物安全屏障或可以指出。
更新日期:2021-10-07
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