Unverified85% confidenceDecision RuleTime unknown
刷毛磨圆率是安全核心指标,儿童牙刷磨圆率应≥60%,优质产品可达70%以上,未磨圆的毛尖会划伤牙龈和牙釉质,选购时可查看检测报告或用手背轻扫感受是否扎手
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85%
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Long-term
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Unverified刷毛磨圆率是关键安全指标,优质牙刷磨圆率应≥60%(高端产品≥80%),磨圆率低的刷毛切面锋利会损伤牙龈牙釉质,国标要求普通牙刷≥30%、儿童牙刷≥60%94% similarUnverified刷毛磨圆率是核心安全指标,选择磨圆率≥80%的牙刷可显著减少牙龈划伤,优质产品通常达90%以上;国标要求磨圆率≥60%即合格,但60%对牙龈保护不足89% similarUnverified刷毛磨圆率(Rounded Ends Rate)应≥60%,优质儿童牙刷可达80%以上,磨圆率低会划伤牙龈,购买时可查看产品检测报告中的该项数值85% similarUnverified认准刷毛磨圆处理认证(如相关国标GB 30002对儿童牙刷刷毛磨毛率的要求),磨圆率不足的刷毛切口锋利会划伤娇嫩牙龈84% similarUnverified电动牙刷刷头刷毛端磨圆率≥60%才符合较高安全标准,磨圆率不足的刷头会磨损牙釉质和牙龈,选购时优先选标注磨圆处理的正品刷头79% similar
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