Unverified90% confidenceFactTime unknown
采用低RDA（相对牙本质磨损值）配方，对牙釉质磨损程度低，适合牙齿敏感或釉质薄弱人群长期使用
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified低研磨值（RDA值较低）对牙釉质和暴露的牙本质友好，适合长期日常使用不伤牙面，但也因此清洁力弱于普通美白牙膏91% similarUnverified产品定位为敏感牙人群的日常美白牙膏，RDA值较低，长期使用对牙釉质磨损小于常规美白牙膏90% 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牙龈萎缩、牙根暴露人群应选不含研磨剂或RDA值低于70的温和型牙龈膏，高研磨剂会加速磨损暴露的牙根面（牙本质硬度远低于牙釉质）84% similarUnverified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84% similar
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