There are many clinical reasons for tooth blockage in the back teeth, and it is necessary to carry out the corresponding treatment for the reasons of tooth blockage, and it is recommended to go to the regular hospital for examination first. There are also some cases that may be caused by periodontal disease that leads to local gum atrophy, and there is a situation of tooth blockage between two teeth, in this case, it is necessary to clean out the food that is blocked in time to avoid further damage to the gum, and it is necessary to carry out corresponding treatment for periodontal, but sometimes it is difficult to fully recover the gum atrophy, and it can only be reduced as much as possible. There are also some blocked teeth that may be caused by misalignment or some other reasons, it is recommended to go to a regular hospital for examination and then make the appropriate treatment according to different situations.