Unverified85% confidenceDecision RuleTime unknown
牙线棒线材优先选PTFE（特氟龙涂层）线，滑爽不起毛、牙缝紧密者也能滑入；UHMWPE（超高分子聚乙烯）线抗断裂强度最高，适合牙缝小或修复体多的人群
1
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85%
Confidence
Long-term
Relevance
-
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Unverified采用PTFE（聚四氟乙烯）材质，滑入紧密牙缝时阻力极小，特别适合排列紧密、传统尼龙牙线难以进入的牙缝88% similarUnverified线材选UHMWPE（超高分子量聚乙烯）或PTFE（特氟龙）材质，抗拉强度明显高于普通尼龙线，牙缝紧的人不易在中途卡断88% similarUnverified牙缝较小或牙齿排列紧密（正畸后/天生密集）应选PTFE（特氟龙）单丝线材，直径0.05mm以下且不易毛刺卡断；避免蜡质尼龙膨体线，后者遇窄缝易卡顿断丝86% similarUnverified牙缝紧密者（正常/挤压式牙缝）应选含蜡牙线或PTFE线材，直径0.05mm以下更易滑入，无蜡线在紧牙缝易起毛断裂86% similarUnverified牙缝正常或偏窄者选PTFE（特氟龙）膨体线，不易起毛断裂；牙缝较大者选膨胀式尼龙线（如含蜡海绵线），进缝后膨胀更贴合清洁面86% similar
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