[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

美白牙膏的RDA(磨擦剂研磨度)值应≤150为安全上限,日常敏感人群选择RDA<70的低磨损产品;RDA>200会磨损牙釉质,长期使用导致牙本质暴露反而更黄

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85%
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Long-term
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