Unverified90% confidenceDecision RuleTime unknown
认准包装标注氟浓度具体ppm数值的产品，只写'含氟'不标数值的无法判断是否适龄，优先选择明确标注的
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90%
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Long-term
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Unverified包装必须明确标注含氟量ppm数值，只写'适量含氟'或不标浓度的产品不建议购买，无法判断是否适龄90% similarUnverified查看外包装是否标注具体含氟量ppm数值，仅标'含氟'不标数值的产品无法判断适龄性，不建议购买87% similarUnverified购买时认准牙膏包装标注的具体含氟量（ppm）和适用年龄段，正规产品会明确标注氟化物成分（如氟化钠、单氟磷酸钠）及浓度，无标注的谨慎选择86% similarUnverified选购时优先认准明确标注氟浓度数值（ppm或标为0.05%-0.14%NaF等）的产品；只写'含氟'不标浓度、或用'适量氟'模糊表述的产品优先级降低84% similarUnverified选购时优先认准明确标注氟浓度（ppm或百分比）及氟化物类型（氟化钠NaF/单氟磷酸钠）的产品，仅写'含氟'不标浓度的参考价值有限82% similar
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