Unverified83% confidenceTradeoffTime unknown
美白强度与温和性存在权衡:含高摩擦值(RDA>100)的美白牙膏去渍快但长期磨损牙釉质,敏感牙和牙颈部楔状缺损者应选RDA<70的低磨损酶类配方,牺牲一点即时美白换取护牙
1
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83%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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90% similarUnverified美白牙膏若靠摩擦剂(RDA值高)去除表面色素,RDA>100长期使用会磨损牙釉质,敏感牙人群应选RDA<70的低磨损配方89% similarUnverified美白型抗敏感牙膏常含较高研磨剂(RDA值偏高),对已暴露牙本质、牙龈退缩者会加重磨损,敏感严重期应选RDA≤70的低磨损配方,别贪图美白89% similarUnverified美白效果与牙齿磨损存在权衡:高RDA摩擦剂美白快但长期损伤牙釉质,敏感牙人群应舍弃即时美白选温和维护型87% similarUnverified美白牙膏看RDA(摩擦剂磨损值):日常使用建议选RDA≤100,敏感牙齿选RDA<70;RDA>150的高强度美白牙膏长期用会磨损牙釉质导致牙齿反而变黄敏感86% similar
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