[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

敏感/牙龈护理模式的有效振动频率应控制在每分钟约31000次以下(对应声波牙刷低档位),高于此频率对牙龈退缩、楔状缺损人群刺激过大

1
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82%
Confidence
Long-term
Relevance
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