The common causes of right facial bite pain are temporomandibular joint disorder syndrome, infection, etc. 1. temporomandibular joint disorder syndrome: also known as temporomandibular joint disorder disease, which can cause painful discomfort in the muscles and lead to pain in the bite muscle area, it is necessary to find the cause of temporomandibular joint disorder syndrome, and the pain will disappear after removing the cause and symptomatic treatment. If the TMJ disorder is caused by bad eating habits, such as eating a lot of hard food or chewing unilaterally for a long time, it will cause pain and soreness in the right side of the bite muscle. It is recommended to chew less betel nut, chewing gum and other foods and correct the habit of chewing on the right side. In addition, mental tension and stress, the function of the occlusal muscle may also be disrupted, and teeth grinding will also increase the burden on the occlusal muscle, causing bite muscle pain; 2, infection: suffering from pericoronitis of wisdom teeth or periapical periodontitis in the posterior region will cause interstitial infection in the occlusal muscle area, which will also cause inflammation and swelling of the lymph nodes, all of which will cause bite muscle pain, odontogenic infection requires appropriate treatment in the stomatology department of a regular hospital to control After the inflammation, the biting pain can be relieved. When there is pain in the bite muscle, it can be relieved with hot compresses or physiotherapy in the painful area, or you can take oral painkillers to relieve pain appropriately. If the pain is severe, you should go to the oral and maxillofacial surgery department of the hospital as soon as possible.