Unverified85% confidenceCautionTime unknown
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
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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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90% similarUnverified牙缝明显增宽（牙周炎、乳头萎缩）者单用牙线清洁效率低，应改用牙缝刷（0.6-1.5mm规格按牙缝选），牙线仅作补充89% 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88% 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88% 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88% similar
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