Unverified85% confidenceCautionTime unknown
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
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified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% similarUnverified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90% similarUnverified牙缝正常无缝隙者不应强行使用牙间刷，硬塞会造成牙龈萎缩和牙缝变大，这类人群应用牙线而非牙间刷89% similarUnverified牙缝宽度已经明显增大（能塞进牙签或食物频繁嵌塞）不应继续依赖普通牙线，应改用牙间刷，牙线对宽牙缝的邻面菌斑清除率不足88% similarUnverified牙齿松动、严重牙周病或多颗缺牙者不宜用夹紧式通用垫，咬合力集中可能加重牙齿损伤，需牙医定制并分散受力88% similar
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