【百万庄小课堂】警惕口中的“微小战争”:“蛀牙”并非“牙虫”作祟|成人性生交大片免费看Vrv66

1. 成人ax视频

  “牙疼不是病,疼起来真要命”,这句老话背后所指的,大多是被世界卫生组织列为全球三大重点防治非传染性疾病之一的龋病,俗称“蛀牙”。然而,尽管“蛀牙”如此普遍,公众对其形成机制却存在广泛误解。2025年9月20日是第37个全国爱牙日,中新社记者专访银川市口腔医院专家,揭开这场发生在牙齿表面的“化学战争”之谜。

  (谢宇 宁夏银川报道)

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发布于:北京市