Unverified82% confidenceDecision RuleTime unknown
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
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified刷头选用直径≤软毛+小刷头(刷头面积约为成人刷头的2/3以下),刷毛须为磨圆处理软毛,硬毛或大刷头会损伤儿童娇嫩牙龈91% similarUnverified0-3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90% similarUnverified刷毛磨圆率是关键安全指标:合格儿童牙刷刷毛端部应经磨圆处理,磨圆率应≥60%(优质品牌达80%以上),未磨圆的尖锐毛端会划伤牙龈,可用手指轻触刷毛判断是否扎手89% similarUnverified刷头刷毛数量应≥标准成人款并采用杜邦软毛/磨圆毛,刷头面积要小于成人款(约1.5cm宽)以适配儿童口腔,避免选成人刷头缩小版88% 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)87% similar
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