Temporomandibular joint
Temporomandibular Joint
The Temporomandibular Joint (pronounced: tem-puh-ro-man-DIB-u-lur) is a hinge that connects your jaw to the temporal bones of your skull, which are in front of each ear. It lets you move your jaw up and down and side to side, so you can talk, chew, and yawn.
Etymology
The term "Temporomandibular" is derived from "temporal," referring to the temporal bone of the skull, and "mandibular," referring to the mandible or lower jawbone.
Anatomy
The Temporomandibular Joint is a bilateral synovial articulation between the mandible and the temporal bone. The function of the Temporomandibular Joint is to allow for the basic movements of the jaw, i.e., speaking and chewing.
Related Terms
- Mandible: The lower jawbone in mammals.
- Temporal Bone: The bone that forms parts of the side of the skull and floor of the cranial activity. There is a right and left temporal bone.
- Synovial Joint: Also known as diarthrosis, is the most common and most movable type of joint in the body of a mammal.
- Articulation: The formation of clear and distinct sounds in speech.
Disorders
Disorders of the Temporomandibular Joint can cause pain in your jaw joint and in the muscles that control jaw movement. This is often referred to as Temporomandibular Joint Disorder or TMD.
Treatment
Treatment for Temporomandibular Joint Disorder may include pain relievers, anti-inflammatory medications, and physical therapy. In severe cases, surgical procedures may be necessary.
External links
- Medical encyclopedia article on Temporomandibular joint
- Wikipedia's article - Temporomandibular joint
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