The third molar is the third molar in most patients’ mouths, and is located at the end of all the teeth, one on the top, bottom, left and right, for a total of four. Most patients with long Risei teeth will have the following symptoms: First, the teeth will feel painful when they grow, a vague pain, not a constant pain, that is, when the teeth erupt in the process of eruption will have pain. Teeth are long and stop, so there will be no pain when they stop. Second, the gums are red and swollen. In some patients, if the riser tooth is not positioned correctly and grows at an angle, it will lead to food embedding between the front teeth and the gums will be red and swollen, abscess and swelling of the face, which are typical symptoms of long riser teeth.