Unverified100% confidenceFactTime unknown
采用PTFE膨胀纤维材质，遇水或摩擦后纤维会蓬松展开，增大与牙面的接触面积，属于卷装手动操作型牙线
2
Sources
100%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPTFE材质极度顺滑不易起毛断裂，非常适合牙缝紧密、普通尼龙牙线容易卡住或撕裂的人群76% similarUnverified选购护齿型拔河绳应确认绳股细密且末端散开成刷状，散开的纤维在撕咬时能起到类似牙线的清洁齿缝作用75% similarUnverified线材抗拉强度不足会在紧牙缝频繁断裂残留纤维，PTFE材质单丝结构抗断性优于多股尼龙线，紧牙缝人群应看断裂强度而非仅看粗细75% similarUnverified极度顺滑不易断丝，但PTFE材质表面摩擦力低，对牙面菌斑的刮除力弱于尼龙编织牙线74% similarUnverified纤维夹板固定后美观性明显优于金属丝固定（接近牙色、不显露金属），但拆除时需用车针逐步磨除树脂，操作不当可能损伤牙釉质表面，对医生技术要求较高74% similar
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