Unverified85% confidenceCautionTime unknown
尺寸偏大强行插入牙缝会导致牙龈退缩、牙缝越用越大，宁可选偏小尺寸多刷几下也不选紧塞的大号
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified牙缝宽度不足0.4mm或牙齿排列极其紧密者不建议强行使用牙间刷，应改用牙线，强行插入会损伤牙龈乳头造成牙缝变大91% similarUnverified尺寸偏小买了插不进等于强行摩擦刷毛易脱落，尺寸偏大强插会永久性扩大牙缝并损伤牙龈乳头，宁可从小一号试起逐步找到无痛顺畅通过的尺寸91% similarUnverified尺寸偏大强行插入牙缝，短期内清洁效率更高，但长期会导致牙龈乳头萎缩、牙缝越用越大，形成'黑三角'。宁可选偏小号多用几次也不选偏大号91% similarUnverified尖端过于锋利细尖的牙签易在剔牙时刺伤牙龈、扩大牙缝，长期反而导致牙缝变大和牙龈萎缩；牙缝较宽者应改用牙间刷或牙线，牙签仅适合应急去除大块食物残渣90% similarUnverified如果你有牙周病导致的牙龈退缩、牙缝变大，或佩戴牙桥/种植体需要清洁较宽间隙，优先考虑这类膨胀型牙线而非普通牙线90% similar
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