Dental And Oral Disorders Chapter 108. The area is inflamed and jaw movement limited. Local signs of infection associated with evidence of a systemic disease or with an adjacent infection suggest the diagnosis. X-rays are negative in the early stages but may show bone destruction later. In suppurative arthritis, joint aspiration may confirm diagnosis and identify the causative organism.
Treatment includes antibiotics, proper hydration, control of pain, and restriction of motion.
Penicillin G is the drug of choice until a specific bacteriologic diagnosis can be made on the basis of culture and sensitivity testing. Suppurative infections should be aspirated or incised. Once the infection is controlled, jaw-opening exercises help prevent scarring and limitation of function. Pain, tenderness, and limitation of motion occur. Occasionally, patients complain of stiffness, grating, or mild pain.