Unverified75% confidenceDecision RuleTime unknown
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
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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92% similarUnverified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90% 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88% similarUnverified研磨颗粒的RDA(相对牙本质磨损值)应低于100,过高会磨损牙釉质;洁牙片中若含碳酸钙、水合硅石等中低磨损剂较安全,含小苏打(碳酸氢钠)则相对温和86% 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% similar
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