Unverified72% confidenceDecision RuleTime unknown
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
1
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72%
Confidence
Long-term
Relevance
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Unverified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93% similarUnverified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92% similarUnverified凝胶剂型RDA值通常低于同品牌膏状，更温和适合敏感牙和儿童；牙粉RDA普遍偏高磨损大，不建议敏感人群或每日使用87% similarUnverified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86% similarUnverified研磨剂RDA值（相对牙本质磨损值）应低于100为安全，敏感牙齿或牙釉质薄者建议选RDA<70的低摩擦配方；抗菌牙膏若同时主打美白往往RDA偏高，二者难兼得85% similar
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