[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

牙膏摩擦值(RDA)<70为低磨损,适合牙龈萎缩/牙本质敏感人群;RDA 70-100为中等日常清洁;>150长期用会磨损牙釉质

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82%
Confidence
Long-term
Relevance
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