One side of the tongue root pain after tooth extraction is considered to be caused by local pulling during the extraction process, and may also be triggered by infection. 1. Localized pulling, one side of the tongue root pain after tooth extraction may be the process of tooth extraction instrument stimulation of the tongue, so it will lead to a transient pain in the tongue. 2. Infection, if bacteria, viruses or other pathogens invade after tooth extraction, it may lead to infection, so it will stimulate the mucous membrane of the tongue, and one side of the tongue after tooth extraction root pain symptoms. After the extraction of teeth need to observe the individual oral recovery, if there are obvious symptoms of pain, need to consult a doctor in time for examination. If it is caused by infection, you can use metronidazole, amoxicillin and other drugs under the guidance of the doctor.