1 level ADCF: The addition of an anterior plate to an ACDF is recommended to reduce the pseudarthrosis rate and graft problems (Level D Class III) and to maintain lordosis (Level C Class II) but it does not improve clinical outcome alone (Level B-Class II) 1).
2 level ADCF: Plating is recommended to improve arm pain. The plating does not improve other outcome parameters 2).