Unverified85% confidenceDecision RuleTime unknown
美白牙膏的核心指标是RDA磨擦值:日常使用应选RDA≤100,敏感牙齿选RDA≤70,RDA>150的高磨擦美白膏长期使用会磨损牙釉质、加重敏感
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85%
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Long-term
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Unverified美白牙膏优先看RDA磨擦值:日常长期使用应选RDA≤100,敏感牙齿选RDA≤70;RDA>150的高效美白牙膏不宜每天使用94% similarUnverified看牙膏磨损度指标RDA值:日常美白建议选RDA≤100,敏感牙选RDA≤70;RDA>150属高磨损,不适合长期每日使用93% similarUnverified美白牙膏看RDA(摩擦剂磨损值):日常使用建议选RDA≤100,敏感牙齿选RDA<70;RDA>150的高强度美白牙膏长期用会磨损牙釉质导致牙齿反而变黄敏感91% similarUnverified看RDA磨损值:日常美白牙膏应选RDA≤100,敏感牙选RDA≤70;活性炭牙膏RDA常达120-150,长期用会磨损釉质暴露牙本质反而更黄91% similarUnverified美白牙膏看RDA值(相对牙本质磨损度):日常美白选RDA 70-100,敏感牙或牙釉质薄者选RDA<70,RDA>150的高磨损产品不宜长期每天使用91% similar
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