Fig. 4From: Cervical arthroplasty with ROTAIO® cervical disc prosthesis: first clinical and radiographic outcome analysis in a multicenter prospective trialX-ray in neutral position (a: lateral view; b: anterior view) showing an undersized and too ventrally positioned ROTAIO cervical disc prosthesis at the level C5-C6 (white arrows) in a 38 years old male patient, 3 month after implantation. Within the first 12 month of follow up the patient suffered from progressive neck painBack to article page