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Abstract
Cervical disc disease which is accompanied by neural element compression and refractory to conservative management is traditionally treated by discectomy, decompression and fusion (1).
The possibility of accelerated adjacent segment disease after fusion has been growing. The drawbacks to fusion including the alteration of spinal biomechanics, graft and hard ware complication. Neural decompression not fusion remains the primary goal and indication of anterior cervical surgery. Cervical arthroplasty provide the apportunity to preserve motion after neural decompression (2).