Cervical total disc replacement (CTDR) has been used as an alternative to fusion surgery much more in recent years. During a trial for the Prodisc-C [Synthes Spine] total disc replacement (TDR) in 2006, patient satisfaction was reported as high as 70 to 85 percent, and evidence indicated the CTDR procedure improved motion preservation more than fusion surgery.
In some cases, this theory still holds true today....
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