Methods: To treat teeth with fluoride treatments before or after etching.

方法：在酸蚀前后分别用氟化泡沫对牙釉质进行氟化处理。

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The edges of the grooves after etching are plane and smooth. The depth and width of the grooves can solve the interference problem induced by the injection current between the adjacent pixels.

腐蚀后的上隔离沟槽边缘平整，其深度和宽度可以解决注入电流在相邻像素之间产生的干扰问题。

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After etching away the chrome, DuPont beams fluorine atoms in a highly excited plasma state to cut away parts of the quartz itself from selected parts of the design.

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