[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

水牙线选购看压力档位与脉冲频率:有效清洁牙周袋需峰值压力≥550kPa、脉冲≥1200次/分钟,低于此值只能冲食物残渣无法有效破坏龈下菌斑

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80%
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Long-term
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