Unverified87% confidenceTradeoffTime unknown
美白型抗敏牙膏常含摩擦剂或过氧化物,摩擦剂RDA值偏高会加剧牙本质暴露,对敏感牙齿反而适得其反,敏感严重期不应选美白款
1
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87%
Confidence
Long-term
Relevance
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Unverified美白型抗敏牙膏通常含较高摩擦剂(RDA值高)或过氧化物,会磨损已暴露的牙本质加重敏感,敏感严重期不应选美白款,应等敏感缓解后再考虑97% 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92% similarUnverified美白与抗敏在天然牙膏中往往难以兼得:美白配方靠较高摩擦值(RDA偏高),而抗敏配方需低摩擦并含硝酸钾/氯化锶封闭牙本质小管,两者机制冲突,牙齿敏感者应放弃强力美白诉求89% similarUnverified牙本质敏感或牙龈萎缩者不应使用美白牙膏(尤其含颗粒的),高摩擦剂会加速暴露的牙根面磨损86% similarUnverified脱敏牙膏普遍含研磨剂或封闭颗粒,RDA(磨损值)偏高的产品短期止敏快但长期高频使用可能加剧牙釉质磨损,反而暴露更多牙本质85% similar
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