[KongchangAI]
Unverified88% confidenceCautionTime unknown

手部精细控制能力较差的人(如老人、手抖者)不建议自行使用,超声波洁牙头尖锐且频率高,自操作时容易划伤牙龈导致出血

1
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88%
Confidence
Long-term
Relevance
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