Unverified85% confidenceCautionTime unknown
含氟凝胶包装应有明确氟浓度标注（ppm或百分比），无标注具体氟含量的产品不建议购买，无法评估安全用量
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Unverified选购家用氟凝胶应确认产品有明确氟浓度标注（ppm或百分比）及国械注/化妆品备案，避免购买无浓度标注的'三无'凝胶，浓度不明既无防龋效果又有过量风险85% 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85% 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83% similarUnverified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78% similar
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