Studies have shown that using fluoridetoothpaste 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。
2
Everyone should brush with a fluoridetoothpaste every day.
每个人需要每天用含氟牙膏。
3
Whenever you eat sweets -- in anymeal or snack -- brush your teeth well with a fluoridetoothpaste afterward.