Unverified82% confidenceCautionTime unknown
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
1
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82%
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94% similarUnverified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92% similarUnverified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89% similarUnverified抗敏感牙粉的RDA值应控制在70以下才适合敏感牙长期使用，RDA＞100的美白型牙粉会加剧敏感和牙釉质磨损87% similarUnverified牙本质暴露/牙龈退缩严重者不建议用RDA值＞100的高清洁力美白牙膏，长期高磨损会进一步磨薄暴露的牙本质，形成恶性循环87% similar
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