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.

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。

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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.

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。

youdao