People always do their best to protect the teeth. However, people do not know that improper foods can seriously hurt the human teeth. For example, tea and coffee can protect the physical health for people to some degrees. However, they can leave blot on the surface of the teeth and hurt the enamel. Except tea and coffee, some other kinds of foods like sauce, sports drink, port wine and berry can also destroy the teeth seriously. People should maintain the moderate intake of the foods in everyday life. 

The dishes can be nicely flavored with various kinds of sauce. However, according to the research, it is easy for sauce to leave blots on the surface of teeth. For example, tomato sauce and salad dressing can seriously pollute the teeth. If people like to eat sauce, they should choose the product in a light color with delicate taste. After people eat the dishes with sauce, they should brush the teeth in time.

The research has proved that the sports drink can corrode the enamel of the teeth and force the enamel to turn colors. Therefore, the medical experts advise people to decrease the intake of sports beverage in everyday life so as to protect our teeth as far as possible. If people do not want to quit such drinks, they can make full use of suction tubes to decrease the frequencies of contact between drinks and teeth. Therefore, the risks of corrosion can be decreased.

Red wine is a kind of acidic food which can corrode our teeth. What’s more, the tannic acid and chromogen contained in the red wine are coloring agents which can be attached to the teeth. The coloring agents contained in sherry can more seriously hurt the teeth.

Berry mainly include cherry, strawberry, blueberry and so on. The various kinds of coloring agents contained in berry can also hurt the teeth. Therefore, people can use the fruits like apple and orange to take the place of berry. In addition, the juice contained in most fruits can also corrode the enamel. Therefore, no matter what kinds of fruits people eat, they should brush the teeth timely.

The dental specialists advise that people should brush the teeth in time after they eat the foods containing acidic substances and coloring agents. If it is unconvenient for people to clean the teeth in time, they can chew cachou to realize the same effect.