What is cervical disc replacement surgery?

Artificial disk: The diseased disk is removed and in its place an artificial disk is put in. Various designs use metal, or metal and plastic to attach to the two vertebral bodies, but still allow for movement between them.

Artificial disc: Placement of a prosthesis or artificial disc to replace a damaged symptomatic disc, simultaneously relieving a pinched nerve or spinal cord. Done through the front of the neck or low back.