A prosthesis for the repair of a first cervical facet joint and a second cervical facet joint occurring on a first side of a spinal column, the first cervical facet joint having a superior facet articulating surface and an inferior facet articulating surface, the second cervical facet joint having a superior facet articulating surface and an inferior facet articulating surface, the prosthesis comprising: a first prosthetic component (100; 151; 200), comprising: a first prosthetic component superior portion (101; 201) adapted for replacing at least a portion of the articulating surface of the first cervical facet joint superior facet; a first prosthetic component inferior portion (102; 202) adapted for replacing at least a portion of the articulating surface of the second cervical facet joint inferior facet; and a first prosthetic component mounting portion, (103; 205; 206) characterized in that said first prosthetic component mounting portion (103; 205, 206) is adapted for connection to a vertebral portion occurring between the first cervical facet joint and the second cervical facet joint with said first prosthetic component superior portion (101; 201) extending from said first prosthetic component mounting portion at an angle of about 135°, and with said first prosthetic component inferior portion (102; 202) extending from said first prosthetic component mounting portion (103; 205, 206) at an angle of about 45°. a first prosthetic component (100; 151; 200), comprising: a first prosthetic component superior portion (101; 201) adapted for replacing at least a portion of the articulating surface of the first cervical facet joint superior facet; a first prosthetic component inferior portion (102; 202) adapted for replacing at least a portion of the articulating surface of the second cervical facet joint inferior facet; and a first prosthetic component mounting portion, (103; 205; 206) characterized in that said first prosthetic component mounting portion (103; 205, 206) is adapted for connection to a vertebral portion occurring between the first cervical facet joint and the second cervical facet joint with said first prosthetic component superior portion (101; 201) extending from said first prosthetic component mounting portion at an angle of about 135°, and with said first prosthetic component inferior portion (102; 202) extending from said first prosthetic component mounting portion (103; 205, 206) at an angle of about 45°. a first prosthetic component superior portion (101; 201) adapted for replacing at least a portion of the articulating surface of the first cervical facet joint superior facet; a first prosthetic component inferior portion (102; 202) adapted for replacing at least a portion of the articulating surface of the second cervical facet joint inferior facet; and a first prosthetic component mounting portion, (103; 205; 206) characterized in that said first prosthetic component mounting portion (103; 205, 206) is adapted for connection to a vertebral portion occurring between the first cervical facet joint and the second cervical facet joint with said first prosthetic component superior portion (101; 201) extending from said first prosthetic component mounting portion at an angle of about 135°, and with said first prosthetic component inferior portion (102; 202) extending from said first prosthetic component mounting portion (103; 205, 206) at an angle of about 45°.