[KongchangAI]
Unverified90% confidenceFactTime unknown

美白效果主要依赖物理摩擦去除外源性色渍(茶渍/咖啡渍),对内源性牙齿发黄(如四环素牙、氟斑牙)基本无效

1
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90%
Confidence
Long-term
Relevance
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