The first three days or so after filling the teeth may appear to have different degrees of foreign body sensation, is a normal phenomenon, but if the foreign body sensation continues not to disappear, it is recommended to go to the hospital for examination. 1. Normal phenomenon: If the oral cavity is used to the long-term loss of teeth, after filling the teeth may appear rough surface, foreign objects, embedded feeling, generally about three days will gradually get used to it, you can first observe. 2. Abnormal phenomenon: after filling the teeth if there is a persistent foreign body sensation, it is suspected that the filling may be dislodged, or the teeth have occlusal high point caused by the recommendation to the hospital in time to check, find the problem dealt with in a timely manner. After filling the teeth with foreign body sensation can be observed and dealt with first, on the continued unabated feeling, it is recommended to go to the hospital in a timely manner.