[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

电动牙刷刷头刷毛端磨圆率≥60%才符合较高安全标准,磨圆率不足的刷头会磨损牙釉质和牙龈,选购时优先选标注磨圆处理的正品刷头

1
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85%
Confidence
Long-term
Relevance
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