Nerve pain after extraction may be the presence of residual pulpitis, acute periapical periodontitis, drug stimulation, periodontal tissue diseases.
1. Residual pulpitis: pain after nerve extraction may be caused by the complex root canal anatomical system, the root canal is relatively curved or thin, it is difficult to remove the nerve cleanly, and the residual nerve of the tooth causes pain.
2. Periapical periodontitis: when doing root canal preparation after extracting the nerve, the instrument exceeds the apical foramen or pushes the infected material in the root canal out of the apical foramen, causing acute periapical periodontitis, which results in tooth pain.
3. Drug stimulation: after the extraction of the nerve temporary seal of the drug is generally strong irritation will appear pain, usually in 3 to 5 days the pain will be relieved; if the pain can not be relieved, you can follow the doctor’s instructions orally Buprofezin capsules to relieve pain.
4. periodontal tissue disease: after extracting the nerve of the tooth for a period of time after the pain, may be the emergence of periodontal tissue disease, such as gum redness and swelling, periodontal pus, tooth pain, and so on.
After extracting the nerve pain may also be other reasons, please go to the hospital in a timely manner, after the cause is clear and active treatment, so as not to delay the condition, the use of drugs need to follow the doctor’s instructions.