Inclusion Criteria:  Neck and arm pain for a minimum of 6 weeks before surgery that is recalcitrant to nonoperative treatment modalities, such as physical therapy, reduced activities, and anti-inflammatory medications. Radiographic evidence of cervical disc disease that is documented on dynamic radiographs and magnetic resonance imaging (MRI).  Exclusion Criteria:  Medical condition that required medication, such as steroids or nonsteroidal anti-inflammatory medications, that could interfere with fusion.  There are no restrictions on sex or ethnicity.