Why is becoming larger and yellow teeth?

In the etiquette expert eyes, teeth, is a woman's business card, if your teeth neat, white, fresh breath, you must be an educated lady. But if your teeth yellow, your impression of people being reduced.

Fluorine on the one hand increase the tooth enamel, making it more robust, the other will make the teeth gradually turn yellow. Mineral water contains large amounts of fluorine, drink too much, let your pale white teeth! U.S. oral health experts advice is: Drink at least 1000 ml per person per day white water, including mineral water intake should not exceed 300 ml, the remaining 700 ml, you can drink pure water or boil tap water.

There are a lot of tea polyphenols oxides, long-term tea, make the teeth yellow. The study found that black tea polyphenols in the highest oxide, followed by black tea, tea, barley tea polyphenol oxide content in the lowest, you can rest assured that drink! In addition, the longer dental equipment cooking tea, the role of the lower oxide, in order to ensure that they have white teeth, you may be extended tea time.

Coke syrup and carbon dioxide gas components, drinking too much sugar will cool to tooth surfaces, making it the color black. Studies have found that drinking one liter of Coke a day, two years after the tooth surface enamel acid etching will be cut in half. In carbonated beverages, dark cola greatest damage to the teeth, orange soda followed, in general, the color the more light the drink, the more secure, I suggest you choose a transparent color's Sprite.

In the American Dental Association recently released the "Top of stained teeth" on the main component of turmeric curry than nicotine, ranked first, the greatest impact Adverse impact on dental health habits on the tooth color. Research indicates that turmeric stain on the role of teeth is almost irreversible, is a veritable "white teeth nemesis." If you really feel like the kind of spicy, I suggest you choose the weakest force dyed green curry, red curry to avoid the strong force and the yellow curry.