Unverified92% confidenceDecision RuleTime unknown
牙龈萎缩、牙齿敏感或牙周炎人群应选磨圆率≥80%的软毛牙刷（刷毛丝径0.15-0.18mm），避免中硬毛加剧牙龈退缩和楔状缺损
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92%
Confidence
Long-term
Relevance
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Unverified牙龈萎缩、牙齿敏感或有楔状缺损者应选刷毛磨圆率≥80%的软毛牙刷（刷毛直径0.15-0.18mm），硬毛会加速牙颈部磨损92% similarUnverified牙龈退缩、牙齿敏感或有牙周问题的人群应选刷毛丝径≤0.15mm的超细软毛牙刷，普通软毛丝径约0.2mm，中毛0.25mm以上不适合敏感人群90% similarUnverified牙龈易出血、萎缩或牙齿敏感者应选软毛牙刷（丝径≤0.15mm，标注soft/extra soft），中硬毛（0.2mm以上）长期使用会加剧牙龈退缩和楔状缺损89% similarUnverified牙齿正畸、种植牙或牙缝较大人群应配备冲牙器（水牙线），压力档位选可调节60-90psi的型号，单纯刷牙无法清洁邻面菌斑86% similarUnverified牙龈萎缩、牙根暴露人群应选不含研磨剂或RDA值低于70的温和型牙龈膏，高研磨剂会加速磨损暴露的牙根面（牙本质硬度远低于牙釉质）85% similar
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