[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

硝酸钾(含量约5%)通过阻断牙神经传导起效,需连续使用2-4周才能达到最佳效果,属于'慢起效但持久'型,适合长期敏感人群

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90%
Confidence
Long-term
Relevance
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