Unverified83% confidenceTradeoffTime unknown
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
1
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83%
Confidence
Long-term
Relevance
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Unverified看RDA(研磨值)判断细腻度:日常牙膏RDA控制在70以下较安全,敏感牙/牙龈萎缩者选RDA<50的低磨损产品;美白类抗菌牙膏RDA常达100-150,牙龈问题人群不建议选92% similarUnverified美白牙膏看RDA(相对牙本质磨损值):RDA≤70为低磨损适合日常,70-100中等,>150对牙釉质有磨损风险不宜长期使用;牙齿敏感或牙釉质薄者应选RDA<7092% similarUnverified美白牙膏多依靠摩擦剂(RDA值)或过氧化物,RDA>100属高研磨性,敏感牙或牙釉质薄者长期使用易磨损牙面,应选RDA 70以下温和配方91% similarUnverified美白牙膏多含焦磷酸盐或过氧化物摩擦剂,RDA磨损值>100不建议每日使用,敏感牙人群应选RDA<70的低磨损配方91% similarUnverified美白牙膏靠摩擦剂(RDA值)和过氧化物起效,RDA>100为高磨损,牙釉质薄或敏感人群应选RDA<70的低磨损款91% similar
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