Unverified90% confidenceDecision RuleTime unknown
0-3岁应选刷头长度≤1.5cm、刷毛数量少于20束的超细软毛牙刷(刷毛硬度对应Soft/Extra Soft),刷毛磨圆率应达到70%以上以避免损伤稚嫩牙龈
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90%
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Long-term
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Unverified0-3岁选刷毛0.01mm软硬度极软款且刷头长度≤1.5cm(覆盖不超过2颗牙宽度),杜邦软毛磨圆率≥80%避免划伤娇嫩牙龈94% similarUnverified0-3岁选刷毛数量少于1000根、单束10-20根的软胶或超细软毛牙刷,刷头长度≤1.5cm(约覆盖2颗乳牙宽度),毛硬度需为超软(磨毛处理,毛丝直径≤0.15mm)93% similarUnverified刷头必须刷毛磨圆率≥60%且为杜邦软毛(毛丝直径≤0.152mm),儿童牙龈娇嫩,磨圆率不足的刷毛会划伤牙龈和牙釉质90% similarUnverified刷毛软硬度选软毛(soft),磨圆率(end-rounding)应≥60%,磨圆率低的刷毛在放大镜下毛尖呈锯齿状会磨损牙釉质和牙龈;可降解牙刷因工艺限制磨圆率普遍偏低,需重点确认87% similarUnverified牙刷刷毛硬度选软毛(soft,直径≤0.18mm)适合90%人群,中毛以上仅适合刷毛习惯极轻且牙菌斑重者,硬毛会加速牙龈退缩84% similar
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