Unverified80% confidenceDecision RuleTime unknown
铃铛/吊坠等金属件应选择激光焊接或一体铸造工艺，避免胶合或简单卡扣固定，胶合件在唾液长期浸泡下3-6个月易脱落被误食
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80%
Confidence
Long-term
Relevance
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Unverified带刻度分装瓶应选择瓶身模内印刷或凹凸浮雕刻度，而非表面丝网印刷；丝网印刷刻度经反复摩擦和清洗后1-3个月即会脱落，失去定量功能75% similarUnverified刺绣款项圈的名字耐久度远高于印字款，激光印字/热转印在3-6个月的日常摩擦和洗涤后易褪色脱落，长期使用选电脑绣花（涤纶绣线密度≥7针/mm）75% similarUnverified密封边缘应采用高频热合工艺而非胶粘，热合宽度≥8mm且为一体成型的产品抗撕拉更强，胶粘工艺在唾液和啃咬下2-3个月即可能开胶漏液75% similarUnverified齿间刷单支寿命通常为3-7天，刷丝出现明显散开、变形、变色或金属芯裸露即应更换；金属芯裸露后继续使用会直接刮伤牙面和牙龈74% similarUnverified刷头与手柄一体注塑（无金属拼接）的耐用性更好，拼接款金属连接处长期沾水易生锈松动，寿命通常＜6个月74% similar
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