advanced positioning TMJ arthrography
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| TMJ arthrography is done to: | diagnose abnormalities of the articular disk, or anterior displacement of disk due to trauma
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| Articular disk | oval disk of fibrocartilage that separates the 2 joint cavities of the TMJ
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| How much contrast is used for a TMJ arthrogram? | .5-1 ml
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| Where is the puncture site for a TMJ arthrogram? | ½” anterior to the tragus
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| What preliminary x-rays are taken before a TMJ arthrogram? | open and closed tomograms
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| post injection projections for TMJ arthrography | after the injection of contrast tomo or x-ray with mouth open, closed, and partially closed.
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| Types of contrast used for TMJ arthrograms | single/opaque
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