Unverified85% confidenceCautionTime unknown
美白漱口水多依靠过氧化氢或焦磷酸盐去除表面色素,仅能改善外源性染色(茶渍咖啡渍),对牙齿内源性发黄无效,且需持续使用2-4周见效,短期旅行携带无美白意义
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