Studies have shown that using fluoride toothpaste helps increase the concentration of fluoride in the teeth, even in areas with water supplies containing high levels of the mineral.
研究表明使用含氟牙膏能够增加你牙齿中的含氟量，甚至达到某些地区用水中加入高浓度氟的水平。
Conclusion the amount of total fluoride in the calcium containing toothpaste can be detected simply and accurately measured by acid diffusion and fluoride selective electrode.
结论采用冷酸解离-氟离子电极法测定单氟磷酸钠与钙类摩擦剂配伍的含氟牙膏中的总氟含量，具有准确可靠、简便易行的优点。
The method for the determination of effective and total fluoride contents in toothpaste containing monofluoroposphate (MFP) by a ion-selective electrode is investigated.
本文研究了离子选择性电极法测定单氟磷酸钠型牙膏中的有效氟和总氟含量的方法。
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