Wisdom teeth with no roots removed require a treatment plan based on the length of the residual root. A short residual root can be observed first, while a long residual root needs to be extracted. 1. Temporary retention, if the wisdom tooth root is not serious, generally can be temporarily retained, with time will be absorbed by the body or automatically discharged, will not affect the later life. 2. Remove the stump, if the root is longer, or there is obvious pain and swelling and other symptoms of discomfort, you need to consult a doctor to remove the stump in a timely manner, the extraction must choose a professional doctor, some patients to remove the stump may appear larger trauma, the need to do a good job of anti-inflammatory and anti-infective work. Wisdom teeth need to do a good job after the removal of personal dental cleaning to avoid infection.