Unverified85% confidenceDecision RuleTime unknown
牙刷毛应选软毛(刷毛直径0.15-0.2mm),中硬/硬毛长期使用易导致牙龈退缩和牙颈部磨损;成人也不建议用硬毛
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified刷毛硬度选软毛(毛丝直径≤0.01英寸/0.20mm),中毛(0.23mm)以上易导致牙龈退缩和牙颈部楔状缺损,长期硬毛刷牙比不刷舌苔危害更大91% 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90% similarUnverified牙刷刷毛硬度成人日常首选软毛(soft),中毛/硬毛易造成牙龈退缩和楔状缺损,只有特定情况(如吸烟重度色素)才短期用中毛88% similarUnverified软毛款刷毛较细软,适合牙龈敏感人群日常使用,但对顽固牙渍的物理清除力不如中硬毛款86% 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)84% similar
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