Unverified75% confidenceDecision RuleTime unknown
护龈设计应看毛束末端是否有更细软的'渐变毛/末梢毛'及牙龈按摩胶条，而非仅刷柄外观，边缘毛做超细软化处理的才真正减少刷牙创伤
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75%
Confidence
Long-term
Relevance
-
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