If you want to stop the pain quickly, you can choose to carry out root canal treatment to avoid aggravation of the symptoms. 1. medication, if there are obvious pain symptoms, can be used under the guidance of the doctor fenbendazole painkiller tablets and other medications, can temporarily relieve the pain, but it is not able to achieve the effect of complete pain, but also need to follow up on the local treatment. 2. Root canal therapy, as the main treatment for endodontic infection, requires timely medical treatment for root canal therapy to remove the residue inside the root canal and fill the pulp cavity, thus achieving the effect of pain relief. If there is pain, you need to actively seek medical examination, symptomatic treatment.