[KongchangAI]
Unverified85% confidenceFactTime unknown

牙刷无论软硬均应约每3个月或刷毛外翻变形时更换,软毛磨损后清洁力和护龈性同时下降,超期使用比毛硬度选错危害更大

1
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85%
Confidence
Long-term
Relevance
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