Unverified85% confidenceTradeoffTime unknown
RDA约60属于低磨损值,适合矫正期间牙釉质需要保护的用户,但清洁力相对偏弱,有较重烟渍茶渍需求者可能觉得去渍不足
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Unverified研磨值(RDA)低于70,对牙釉质磨损极小,适合牙釉质已受损或牙本质暴露的用户,但清洁力相对较弱,重度烟渍茶渍用户可能觉得去渍效果不足88% 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82% similarUnverifiedRDA值偏低,牙釉质磨损风险小,适合敏感牙齿和长期使用,但代价是对顽固外源性色素(茶渍/咖啡渍/烟渍重度)的清除力有限82% similarUnverified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81% similarUnverified美白牙膏的清洁力看RDA值(摩擦剂指数):RDA≤70为低磨损安全每日使用,70-100为中等,>150对牙釉质有磨损风险不宜长期用81% similar
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