The infinity optical thickness gradual decreased in the same shade mark from1to4, and from A to D the results was not simple.
同一颜色系列标号从小到大，无限光学厚度依次减低；从A至D标号，并非简单的依次减低，而是存在交叉现象。
Conclusion Although composite resins with the same color mark had the similar fillers, they had different color and infinity optical thickness.
结论相同色号的光敏树脂虽填料颗粒相同，但无限光学厚度存在差异，临床应用时最好预备多种树脂以备选色。
Conclusion Although composite resins with the same color mark had the similar fillers, they had different color and infinity optical thickness.
结论相同色号的光敏树脂虽填料颗粒相同，但无限光学厚度存在差异，临床应用时最好预备多种树脂以备选色。
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