Unverified85% confidenceDecision RuleTime unknown
牙缝紧密（正畸后或天生齿列拥挤）应选PTFE特氟龙线材，其滑度高、不易分叉卡断；牙缝正常或偏大可用尼龙含蜡线，性价比更高
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified牙缝紧密（正常/拥挤牙列）应选PTFE（特氟龙/膨体）材质超细牙线，直径≤0.5mm且截面扁平，尼龙线易卡断残留；牙缝较大或有牙周袋人群应选膨胀型（Expanding）牙线或牙线+牙缝刷组合91% similarUnverified牙缝紧密（正畸后或天生牙缝小）优先选含蜡PTFE材质牙线，摩擦系数低易滑入，普通尼龙线在紧牙缝易断丝卡牙缝91% 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91% similarUnverified牙缝紧密（正畸或牙齿排列拥挤）优先选含蜡（waxed）细线，直径约0.4-0.5mm，蜡质涂层降低摩擦更易滑入，不易卡断；牙缝宽者可选膨胀型无蜡线或PTFE材质90% similarUnverified牙缝紧或牙齿排列拥挤者应选含蜡（waxed）扁线或PTFE膨体特氟龙线，含蜡涂层可降低摩擦阻力更易滑入牙缝，无蜡线易在紧牙缝中断丝卡住90% similar
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