There are several reasons for the clinical pain of the filled teeth: First, the stimulation of the dental pulp by the turbine drill applied during the filling or the filling materials contain agents that stimulate the dental pulp, which will generally have a slight painful process after the filling and will be relieved naturally after a period of time. Second, the bite pain after filling, common in the filling needle for the joint surface has a high point of occlusion, causing pain when biting, you can go to the professional dentistry for the high point of occlusion for grinding, the pain will be relieved. Third, the filling needle for the pulp of the error in judgment. It is already a case of pulpitis and is not treated according to pulpitis, then only the filling material will be removed and then root canal treatment will be carried out and finally the tooth will be repaired.