Jaw bite pain may be related to temporomandibular joint disorder syndrome, acute periapical inflammation, osteomyelitis of the jaw and other causes. 1. Temporomandibular Joint Disorder Syndrome: It can involve the temporomandibular joint or (and) masticatory muscles, resulting in jaw bite pain. 2. Acute periapical inflammation: inflammatory reaction of periapical tissues, such as the dentin at the root tip of the tooth, the periodontal membrane around the root tip, and the alveolar bone, may appear to irritate the jaw bone and cause pain when biting. 3. Osteomyelitis of the jaw: If you suffer from osteomyelitis of the jaw, it may cause obvious pain in the jaw when biting. It is recommended that people with jaw bite pain go to a regular hospital in time to clarify the cause of the disease and carry out standardized treatment under the guidance of the doctor.