The temporomandibular joint is a joint in front of the ear, in front of the ear screen, that can move as you open your mouth and chew things is called the temporomandibular joint. The flexible movement of the TMJ allows the jaw to achieve this action of opening and closing the mouth and chewing things. When there is inflammation in the TMJ, there may be localized swelling, pain, fluid buildup in the joint, or a popping sound. Most temporomandibular joint disorders are related to an abnormal bite relationship and require treatment at a dentist. If the inflammation of the temporomandibular joint is severe and fluid builds up, it can be treated with injections of long-acting hormones such as Depo-Provera, and if the combination of inflammation is more pronounced, anti-inflammatory medication is needed, and it is important to avoid chewing hard things with the affected side.