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首页> 外文期刊>Journal of Nanjing Medical University >Effect of the Thickness on Color of Porcelain Laminate Veneer
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Effect of the Thickness on Color of Porcelain Laminate Veneer

机译：厚度对陶瓷层压板饰面颜色的影响

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Objective: To evaluate the color change of the two-layer porcelain laminate veneer after adding veneering porcelain of different thickness to the 0. 2 mm thick aluminum oxide. Methods: Ten aluminum oxide disks were randomized into 2 groups. Each of five disks was veneered with Vita Lumin Shade B4 porcelain of thickness of 0. 4 mm and 0. 6 mm respectively. The L~* a~* b~* color notations of the substrate covered with nan-veneered disks and 2 thickness porcelain veneered disks were measured separately and the color differences (ΔE) were calculated. Results: Statistically significant differences in color coordinates of dark substrates were recorded after the substrate was covered by an aluminum oxide disk and also after the addition of veneering porcelain to the aluminum oxide disks in group 1 (P=0. 000 2) and group 2(P=0. 007 5) and between 2 groups (P=0. 000 1). Conclusion: The ability of masking underlying discoloration was increased and shifted to gray when the thickness of veneering porcelain increased.
机译：目的：评估在厚度为0.2 mm的氧化铝中添加不同厚度的贴面瓷后，两层瓷层压板的颜色变化。方法：将十个氧化铝盘随机分为两组。五个圆盘均分别贴有厚度分别为0. 4 mm和0. 6 mm的Vita Lumin Shade B4瓷贴面。分别测量覆盖有纳米孔盘和2层厚度的瓷贴面盘的基板的L〜* b〜*颜色标记，并计算色差（ΔE）。结果：在第1组（P = 0.000 2）和第2组中，在用氧化铝盘覆盖基底之后以及在向氧化铝盘中添加饰面瓷之后，记录了深色基底的颜色坐标在统计学上的显着差异。 （P = 0.007 5）和2组之间（P = 0.000 1）。结论：随着贴面瓷器厚度的增加，掩盖潜在变色的能力增强，并变为灰色。

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