Toothache when biting something after wearing porcelain teeth may be normal, or it may be caused by malocclusion or gum disease. 1. Normal situation: within a week after porcelain teeth treatment, due to the treatment room to wear away part of the enamel, may lead to tooth sensitivity of the positive trunk, biting things will appear when the symptoms of tooth pain. 2. Bite misalignment: After porcelain teeth correction, if the bite does not correspond, it will lead to symptoms of toothache when eating. 3. Gum Disease: If you have gum disease, your gums will bleed and hurt when you bite something hard, and you will feel pain when you bite something after wearing porcelain teeth. Porcelain teeth are commonly used in dentistry to repair the common way of dental crowns, suitable for discoloration of teeth, malocclusion, cavities, enamel insufficiency and other conditions of the treatment, porcelain teeth after correction of the symptoms of toothache when eating, you can go to the hospital in a timely manner, under the guidance of the physician to carry out the relevant treatment.