Injury to the root of the tongue when setting teeth, if the traumatized area is relatively small, you can use local anti-inflammatory drugs for treatment; if the traumatized area is large enough to need to go to the hospital for suturing, it is recommended that you should consult a doctor in a timely manner. 1. small trauma area: denture damage to the root of the tongue, if the trauma area is relatively small, eating and activities with mild pain, oral watermelon cream tablets, iodine glycerin applied to the traumatic surface, the treatment can be healed after three to five days. 2. Traumatized area is large: if the tongue root is traumatized area is large, need to go to the hospital suture, at the same time, pay attention to oral hygiene, gargle with hydrogen peroxide and saline every day, as an auxiliary can use anti-infective drugs such as metronidazole tablets, penicillin and other medications for treatment. Injury to the root of the tongue when setting teeth, the patient should follow the doctor’s instructions to actively cooperate with the doctor’s treatment and medication, do not self-medication, so as not to delay the condition. It is recommended to choose a regular dental hospital.