Teeth do not have joints, and tooth joint pain may be caused by toothache, or it may be caused by temporomandibular joint disorder, or it may be caused by trigeminal neuralgia. 1. Toothache: Acute apical periodontitis, periodontal abscess and other diseases can lead to symptoms of toothache, this pain is caused by acute inflammation of periodontal tissues or apical tissues. 2. Temporomandibular joint disorder: temporomandibular joint disorder is a temporomandibular joint disease, this disease may also lead to symptoms of dental joint pain, mainly manifested as temporomandibular joint pain, local soreness and swelling, joint popping, jaw movement disorders and other symptoms. 3. Trigeminal neuralgia: pain in the mandibular branch of the trigeminal nerve can also lead to symptoms of dental arthralgia, and the condition can gradually develop to affect the maxillary branch and ophthalmic branch, and the same side of the facial muscles can also appear painful convulsions. If the symptoms of dental arthralgia do not subside, the patient should consult a doctor to find out the cause of the pain and treat it.