Opening and closing the jaw is a simple hinge action while side-to-side jaw movement requires a sliding action of the joint. Chewing food requires a combination of these movements.
What type of joint is the jaw?
synovial joint The temporomandibular joint (TMJ), or jaw joint, is a synovial joint that allows the complex movements necessary for life. It is the joint between condylar head of the mandible and the mandibular fossa of the temporal bone.
Is jaw a pivot joint?
Pivot joints, such as the one that connects the head to the top of the spine, allows for movement around an axis. The temporomandibular joint (TMJ), your jaw joint, is a special type of joint that works a little like a hinge and a ball and socket at the same time.
What is the hinge of the jaw called?
The temporomandibular (tem-puh-roe-man-DIB-u-lur) joint (TMJ) acts like a sliding hinge, connecting your jawbone to your skull. You have one joint on each side of your jaw.
How do you fix trismus?
Treatment optionsUse of a jaw-stretching device. These devices fit between the upper and lower jaw. Medication. Physical therapy that involves massaging and jaw stretching.A change to a predominately soft-food diet until symptoms improve.
Does trismus go away?
Trismus usually resolves itself in less than two weeks, but it can be very painful in the meantime. Permanent trismus can occur too. Whether trismus is around for days or months, daily exercises and massaging can ease the pain.
Which joint is the most freely movable?
Synovial joint Synovial joint: The most common and most movable type of joint in the body of a mammal.