There is no authoritative information on how long it normally takes for hot and cold irritation pain to go away after a filling, and it may generally go away in 1 to 2 days, depending on the individual. Most patients will experience hot and cold pain in the short term after filling. At present, there is no relevant authoritative information on how long it takes for hot and cold irritation pain to disappear after filling. However, in general, hot and cold irritation pain after filling normally disappears in 1~2 days and can recover on its own, usually without any special treatment. However, due to the physical quality of each person, filling operation and other factors are different, some cases may be extended, so the specific time about the disappearance of hot and cold stimulation pain after filling, there are obvious individual differences, can not be generalized. In addition to this, common complications after dental fillings include tooth fracture, allergic reaction, gingivitis, etc. To summarize, if the symptoms of hot and cold pain after filling last for a long time, the patient needs to go to the hospital in time to clarify the specific causes, so as not to delay the condition.