White protective layer formation, long-term protection of the teeth, reduce plaque regeneration.

形成亮白保护层，长效的保护牙齿，减缓牙石再生。

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White protective layer formation, long-term protection of the teeth, reduce plaque regeneration.

形成亮白保护层，长效的保护牙齿，减缓牙石再生。

youdao