形成亮白保护层，长效的保护牙齿，减缓牙石再生。

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

youdao

形成亮白保护层，长效的保护牙齿，减缓牙石再生。

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

youdao