> Chocolate, candy, carbonated drinks and sweets and many other foods cause tooth decay due to fermentable carbohydrates. Carbohydrates are broken down by bacteria in the mouth and create acid that dissolves tooth enamel and dentin and destroys tooth decay. Group... eat a piece of chips and see how long its remains stick and stay in the grooves of the molars... On the other hand, eating healthy foods instead of these snacks helps the health of the teeth... **Best choices:** Cheese, white and red meat, nuts and milk... Calcium and phosphorus in these foods help rebuild tooth enamel: fruits and vegetables... Although these fruits have a natural amount of sugar, due to the presence of a lot of water in them Fruits have diluted sugars and have less decay effect...Also, hard fruits and vegetables produce antibacterial substances by stimulating saliva that reduces the risk of decay...Vegetables do not have carbohydrates and cause decay..Chips are the most dangerous...These foods, which are often sticky, are very good sources of decay...Among sticky foods, raisins are an exception...This fruit, despite being sticky, is a good choice as a sweet food, because Fights oral bacteria... Worst drinks: From the liquid food group, carbonated drinks are the most dangerous because they contain a lot of fermentable tea, sugar and sweetened milk and sweet fruits. Choices... Best Drinks: Bitter or unsweetened tea, milk and water... Since tea is a rich source of fluoride, drinking bitter or lightly sweetened tea will help keep your teeth healthy.. Avoid sucking on highly acidic foods such as lemons or citrus fruits as a routine because the acid in these fruits dissolves tooth enamel and causes gradual tooth wear. Meanwhile, chewing sugar-free gums sweetened with xylitol sugar reduces caries by stimulating saliva.