Drinking cola may be a normal reaction, but it may also be a demineralization of the teeth, which requires active medical examination, and can be treated with general treatment or filling treatment. 1. Normal reaction: Cola contains more carbonic acid components, if the sensitivity of the teeth is relatively high, carbonic acid beverage stimulation of the teeth may lead to astringent symptoms, this situation is generally more normal. If the symptom is not serious, you can not need to treat for the time being, pay more attention to observation, it is best not to eat stimulating food often. 2. Demineralization: some patients drink cola teeth astringent may have a certain relationship with the demineralization, due to dental caries enamel demineralization may lead to such symptoms, need to actively seek medical examination and treatment, can be remineralization treatment, resin filling treatment. Usually need to pay attention to personal diet, keep a light diet.