Teeth that are mildly uneven or caused by trauma can be smoothed; if the unevenness is moderate to severe, it cannot be smoothed. It is not recommended to flatten the teeth in moderate to severe cases, as flattening may lead to enamel and dentin damage causing tooth pain and discomfort, and in severe cases, it may lead to pulpitis and spontaneous paroxysmal pain. Mild unevenness of tooth length can be smoothed if it does not affect the normal chewing function of the teeth and the shape of the teeth, and if there is an overlap between two teeth and the overlap is not much, it can be adjusted and improved by grinding the teeth. If it is trauma caused by uneven length of teeth, need to go to the hospital stomatology department in time for reset, in the reset recovery period there is uneven length of teeth, then need to be smoothed with the help of the doctor, you can let the teeth damage as soon as possible to recover. Pay attention to usually to develop good oral hygiene habits, regularly go to the hospital for oral examination.