Unverified85% confidenceDecision RuleTime unknown
刷毛丝径决定实际软硬：软毛丝径约0.15-0.18mm，超软/极细毛丝径≤0.12mm，牙龈萎缩/牙周炎患者应选丝径≤0.12mm的超细软毛而非普通软毛
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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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）86% similarUnverified刷毛软硬度选磨圆率≥80%的软毛（丝径0.15-0.18mm），旅途中作息紊乱牙龈更敏感，硬毛易导致出血和退缩85% similarUnverified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84% 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83% similar
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