为防止或治疗牙病而加入某些药物配制成的牙膏medicated toothpaste

• 一种能防治感冒和气管炎的药物牙膏，已开始在市场销售。

  A type of medicated toothpaste which can prevent colds and bacterial tracheitis is already being sold on the market.

• 药物牙膏不是药品，不能代替药品治疗牙病。

  Medicated toothpaste is not medicine, and cannot take the place of medicine in treating oral medical conditions.