Drinking carbonated drinks with sour teeth generally means that the teeth have dentin sensitivity. In addition to drinking carbonated drinks, patients may also experience discomfort from hot and cold stimulation of the teeth, for this situation, if the symptoms are not particularly serious, you can consider applying some anti-allergic toothpaste, mainly consider applying some fluoride toothpaste or professional anti-allergic toothpaste can reduce this phenomenon. But if the dentin sensitivity is more powerful, it is possible that the toothpaste effect is not particularly ideal, then it is recommended to go to the professional dentistry by the dentist to check the specific sensitive parts, and then apply professional desensitizer for the tooth surface desensitization, relatively speaking, the effect will be much better. It should be noted that carbonated beverages themselves can cause greater damage to the teeth, and it is better if you can not drink them. It is recommended that people drink as little carbonated beverages as possible, and even if you have to drink carbonated beverages, it is recommended that you rinse your mouth in time after drinking carbonated beverages, so as to reduce the damage caused by carbonated beverages to the teeth.