Unverified85% confidenceDecision RuleTime unknown
金属芯优先选钢丝外包尼龙涂层（coated wire）而非裸露金属芯，裸金属芯若刮擦牙龈或触碰种植牙钛基台易造成金属腐蚀与刺激；佩戴牙齿矫正器或有种植牙者应明确选涂层芯或纯硅胶无芯款
1
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85%
Confidence
Long-term
Relevance
-
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Unverified金属芯优选钛合金或表面塑料包裹(nylon-coated)的钢丝芯，裸露金属丝直接接触牙齿或金属牙冠会产生电偶腐蚀感并可能划伤牙釉质，包胶芯对牙冠、种植牙更安全89% similarUnverified刷丝金属芯建议选外层有塑料/尼龙包裹（coated wire）的款式，裸露金属芯接触牙齿或种植体金属基台易造成划痕和电解腐蚀，种植牙/烤瓷牙用户必须选包胶刷丝89% similarUnverified刷丝金属芯材质优先选尼龙包裹钢丝，避免金属芯直接暴露刮伤牙釉质或牙根；牙周敏感人群应选橡胶(硅胶)材质牙间刷，柔软不伤牙龈但清洁力弱于尼龙丝87% similarUnverified刷丝金属芯建议选外层包裹尼龙或塑料涂层的类型，裸露金属丝易刮伤牙釉质和牙龈，尤其做过烤瓷牙、种植牙的人应避免裸金属丝以防划伤修复体86% similarUnverified金属芯优先选带尼龙/塑料包胶(coated wire)的产品，裸露金属芯反复摩擦牙龈会造成金属疲劳断裂并可能划伤牙龈，包胶芯不生锈且弯折后不易折断85% similar
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