Unverified88% confidenceDecision RuleTime unknown
牙缝紧密（正畸后或天生牙齿排列紧）选含蜡（waxed）扁线，蜡层降低摩擦更易滑入；牙缝较宽者选无蜡（unwaxed）线，纤维散开可更好包裹牙面清洁面积更大
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified牙缝紧密或牙齿排列拥挤者应选含蜡牙线，含蜡涂层降低摩擦阻力更易滑入牙缝；牙缝正常或较宽者可用无蜡牙线，清洁面积大且触觉反馈清晰92% similarUnverified牙缝紧密者应选含蜡（waxed）超细牙线，无蜡线在紧牙缝易起毛卡断；牙缝较宽或有牙周问题者选膨胀型（如PTFE/蓬松纤维线），入水后膨胀增大清洁面积91% similarUnverified牙缝较宽或有牙龈退缩者应选膨胀型/海绵型牙线（如含蜡纤维束型），入缝后横向膨胀清洁面更大，普通细线清洁效率低91% similarUnverified含蜡牙线滑入紧密牙缝更顺、不易断，但清洁摩擦力略低；无蜡牙线摩擦刮除菌斑更强但易在窄缝卡断。牙缝紧选含蜡，追求清洁力且牙缝正常选无蜡90% similarUnverified含蜡牙线更顺滑但清洁刮除力略弱，无蜡牙线纤维分散接触面大清洁力强但紧牙缝易起毛断裂；新手或牙缝紧选含蜡，追求清洁力且牙缝正常选无蜡90% similar
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