[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

酸蚀是决定粘结强度的关键步骤,通常用35%左右磷酸凝胶酸蚀釉质约15-30秒,酸蚀不足或被唾液污染会显著降低封闭剂留存率,这比封闭剂品牌本身影响更大

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82%
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Long-term
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