Unverified90% confidenceFactTime unknown
美白效果主要依赖物理摩擦去除外源性色渍(茶渍/咖啡渍),对内源性牙齿发黄(如四环素牙、氟斑牙)基本无效
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90%
Confidence
Long-term
Relevance
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Unverified美白效果主要体现在日常去除茶渍、咖啡渍等外源性色素,对内源性牙齿发黄(如四环素牙、氟斑牙)无明显改善87% similarUnverified美白效果主要针对外源性色素(茶渍、咖啡渍、烟渍),对内源性牙齿发黄基本无效,不能替代医疗美白86% similarUnverified活性炭牙膏的美白靠物理摩擦吸附色渍,本身不含化学美白成分,且大多不含氟,用它替代日常含氟牙膏会增加龋齿风险80% similarUnverified美白和防蛀往往难兼得:强效美白靠高摩擦剂或过氧化物可能刺激牙龈,而含氟防蛀配方美白力有限,敏感人群更需舍弃美白优先护釉78% similarUnverified如果追求快速、明显的牙齿美白效果,Marvis并不适合;其所谓'美白'主要依靠物理摩擦清洁表面色渍,不含过氧化物等化学美白成分,效果远不及专业美白牙膏或诊室美白76% similar
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