[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

家用牙本质脱敏封闭剂应优选含硝酸钾(5%)或精氨酸+碳酸钙成分体系,前者通过阻断神经传导缓解敏感,后者通过物理堵塞牙本质小管,两类成分家用安全性高、无需光固化

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