Coca-Cola, Sprite, Fanta and other carbonated beverages have penetrated into our daily lives, we all love to drink, especially many teenagers will be its daily drinking water necessities, to become a veritable “drinking gentleman”. Moderate consumption of carbonated beverages can make people happy, but long-term excessive drinking will increase the burden on the digestive system, but also promote the occurrence of diabetes and obesity. More importantly, the teeth, which are the first contact with carbonated beverages, will inevitably be damaged by the beverages. As we can see, more and more teenagers are suffering from dental erosion, and most of these patients share the same habit: the addiction to carbonated beverages such as cola. For this reason, this type of disease is also known as “cola caries”. The neck of the incisor teeth of these patients began to appear half-moon shaped white spots, long-term is the formation of ring-shaped defects, teeth not only hot and cold sweet and sour pain, there will be black discoloration, seriously affecting the aesthetics and normal social interaction, but also affects the function of the teeth and the quality of life. Why do carbonated beverages cause “cola caries”? It is because carbonated beverages contain more carbonic acid, teeth in the carbonic acid environment for a long time in the surface layer dissolution, in the long run the surface layer of the teeth appeared defective, which is called “dental erosion”. In addition to the role of acid, carbonated drinks also contain a lot of sugar. A 500 ml bottle of carbonated beverage contains about 60 grams of sugar, which is equivalent to putting 16 cubes of sugar. The sugar in the drink is utilized by the bacteria in the plaque, which in turn produces acid, aggravating the erosion of the tooth surface, making the teeth rough and more susceptible to the attachment of food debris and bacteria, and ultimately causing tooth decay. With the passage of time, the acid erosion and tooth decay on the surface of the teeth become more and more serious, and there will be cold, hot, sour and sweet pain, and even spread to the pulp of the teeth and produce pulpitis. Drinking habits are closely related to the degree of dental harm. If carbonated beverages are consumed more frequently, at a slower pace, held in the mouth for a longer period of time, and consumed before bedtime, the degree of harm done to the teeth by the beverages will increase significantly. Therefore, in order to avoid the occurrence of “cola caries”, should do the following: 1, develop a good dietary structure, minimize the intake of beverages; 2, adhere to the daily brushing, at least once in the morning and evening; 3, at least half an hour after drinking beverages before brushing; 4, as far as possible to use fluoride toothpaste, to promote demineralization of teeth remineralization; 5, For acid erosion damage that has already formed, consult a professional dentist as soon as possible for further restorative treatment.