[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

便携牙具的刷头软硬度选择:刷毛磨圆率≥60%才算合格,出差短期用可接受中毛,长期通勤配备建议软毛(刷丝直径≤0.15mm)避免牙龈损伤

1
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80%
Confidence
Long-term
Relevance
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