结论：运用胶体微电解池电化学方法即点式电解蚀刻的方法可直接在口腔内修补脱瓷的金属烤瓷冠桥，短期临床效果好。

Conclusions:The technique of repairing the porcelain fused to metal restoratives of unlocking porcelain directly in mouth by spot-electrolytic etching is practical.

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然后，在猫眼石结构表面用电沉积法镀上一层镍膜，之后把猫眼石蚀刻掉，再经过电解抛光，增加这些镍膜空隙度。

After that, a layer of nickel was electrodeposited on the opal, which was then etched away. The porosity of the nickel layer was then increased using electropolishing.

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彻底清洁接点和表面可以清除电解残余物，包括印制电路蚀刻剂、人体盐和化学处理药品，会将这些寄生电池的影响降至最低。

Thorough cleansing of joints and surfaces to remove electrolytic residue, including PC etchants, body salts, and processing chemicals, will minimize the effect of these parasitic batteries.

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