Unverified80% confidenceTradeoffTime unknown
刷毛越软清洁力越弱：极软毛（0.1mm以下）虽护龈但对牙菌斑机械清除效率下降，健康人群长期只用极软毛可能清洁不足，建议敏感期用软毛、恢复后回归中软毛
1
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80%
Confidence
Long-term
Relevance
-
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