Unverified85% confidenceDecision RuleTime unknown
活性炭成分有一定吸附表面色素能力，对茶渍、咖啡渍等外源性着色有轻度改善，但对内源性牙齿发黄基本无效
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified含活性炭的牙粉主要靠物理吸附和研磨去除表面色渍，对咖啡/茶/烟渍等外源性着色有效，但对四环素牙、氟斑牙等内源性变色几乎无效91% similarUnverified活性炭的吸附增白只对外源性色素（茶渍、烟渍、咖啡渍）有效，对四环素牙、氟斑牙等内源性变色完全无效，这类情况应选冷光美白或贴面而非牙膏88% similarUnverified对四环素牙、氟斑牙等内源性着色基本无效，仅对外源性色素（咖啡、茶渍、烟渍）有一定改善作用87% similarUnverified美白效果属于渐进式，对外源性轻度茶渍咖啡渍有一定改善，但对四环素牙、氟斑牙等内源性着色基本无效85% similarUnverified美白效果对外源性染色（咖啡、茶渍、烟渍）相对明显，对内源性变色（四环素牙、氟斑牙）效果有限甚至无效82% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/742903API
curl https://kongchang.com/api/v1/knowledge/claims/742903MCP
get_claim(id=742903)