Biting something a little harder after a filling hurts, it may be that there is a high point in the bite after the filling, you can consult a doctor to adjust and grind off the high point. Most cases of pain when biting something slightly hard after filling is that there is a high point in the filling, and it is usually necessary to adjust and grind the occlusal surface after filling, and the teeth will be adjusted and ground off the high point of the filling shown in the occlusal paper by biting the paper up and down and left and right, making the occlusal relationship to be normal. However, if the high spots are not obvious to you, you may miss them. Bite pain may occur when eating, especially hard things. At this point, a follow-up visit to adjust and grind away the obvious high spots can relieve the bite pain. If symptoms persist, consider that the pulpal condition may have been misdiagnosed and treatment needs to be re-selected accordingly. It is recommended that patients go to the hospital regularly for review after filling, if there are symptoms of pain when biting something slightly harder after filling, go to the hospital in time, choose the program under the guidance of the doctor for treatment, and pay attention to oral hygiene and cleanliness at the same time.