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看RDA磨擦值：儿童牙膏RDA应低于成人（建议<70），过高的美白型磨料会磨损尚未矿化完全的乳牙牙釉质

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Unverified膏体研磨剂粗糙度（RDA值）应低于成人牙膏，儿童牙膏建议RDA≤50，避免磨损尚未成熟的乳牙牙釉质93% similar Unverified研磨剂（RDA值）越低对乳牙珐琅质越温和，儿童牙膏应选RDA≤50的低磨损配方，含二氧化硅、碳酸钙软性磨料，避免成人牙膏常见的高RDA美白配方90% similar Unverified低RDA磨损值对保护儿童较薄的乳牙和新萌恒牙釉质有利，但对已有明显色素沉着的牙面清洁力有限89% similar Unverified不要给6岁以下儿童使用标注'美白''去牙渍'的牙膏，这类产品往往含高研磨剂（RDA值高）会磨损尚未成熟的乳牙釉质87% similar Unverified不要给儿童使用标注具有美白功能、含高研磨剂（RDA值高）的牙膏，会磨损尚未成熟的乳牙及恒牙釉质86% similar

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