[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

美白牙膏靠磨擦剂物理去除表面色素,RDA值越高美白越强但磨损越大,RDA≤70为低磨损安全区间,日常美白建议选RDA 70-100,超过150长期使用会磨损牙釉质

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85%
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