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。

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Using fluoride toothpaste is an important way to ensure that your teeth are reaping the benefits of this dental-friendly mineral.

使用含氟牙膏是一种能够确保你牙齿能够得到这种利牙矿物质好处的重要途径。

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These acids cause the mineral crystals inside the teeth to begin to dissolve.

这些酸导致牙齿内的矿物晶体开始溶解。

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Erosion occurs when chemicals strip the mineral off the teeth.

CNN: Juices, tea and energy drinks erode teeth

Overuse of vitamin D, a substance that promotes the growth of bone and teeth in children, can be particularly toxic, as can overuse of the mineral iron by older adults.

CNN: ASIANOW - TIME Asia