Mobidisc Disc Prosthesis Intervertebral motion results in many instantaneous ceneters of rotation. There is a translation during the intervertebral rotation. Mobidisc is a second-generation non-constrained total disc prosthesis. Mobidisc has a mobile inlay. The surgical insertion of Mobidisc is easy and precise. The first clinical ltrials were conducted in the 1990s with the SB CHARITE and ProDisc I prosthesis.   Advantages Non-constrained arthroplasty Simple, reproducible placement Disadvantages Not indicated for instability or posterior arthritis.