[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

选购羟基磷灰石修复液应优先选择纳米级羟基磷灰石(n-HAP),粒径在20-100nm之间才能有效渗透牙釉质微孔并封闭牙本质小管,粒径过大(微米级)仅停留在表面无法深层修复

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