这种染料渗入得好。

This dye sinks in well.

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采用染料渗透实验，用测量显微镜测出染料渗入牙齿的深度。

All filled teeth were used for dye penetration test, and the depth that dye penetrated was measured between the restorations and the tooth structure under the metered microscope.

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用5%曙红染料作泄漏试验后，剖开牙齿，观察染料渗入情况。

After the experiment of micro leakage with 5% eosin dye, the teeth were cut open, the permeation of the dye were observed.

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