Investigation of DEXA-C Anterior Cervical Interbody System

Inclusion Criteria:

1. Must already be scheduled or planned for anterior cervical discectomy and fusionusing the Dexa-C Anterior Interbody System C3-7 with supplemental fixation and/orallogenic bone graft composed of cancellous, cortical, and/or cortico-cancellousbone meeting on-label criteria.

2. Radicular signs and symptoms in one or both arms (i.e., pain, paresthesia or paresisin a specific nerve root distribution).

3. Diagnosis of cervical radiculopathy at one or two contiguous levels from C3-7requiring open anterior cervical fusion and discectomy.

4. Diagnosis of degenerative disc disease by radiographic evidence of cervical discherniation and/or osteophytes accompanying clinical symptoms.

5. At least 6 weeks prior conservative treatment (i.e. physical therapy, painmedication).

Exclusion Criteria:

1. History of cervical spine surgery less than 12 months prior to surgery.

2. Diagnosis of severe spondylosis.

3. Patients requiring posterior cervical surgery, anterior cervical corpectomy, orrevision surgery.

4. Any member of a vulnerable population (ie. minors, adults who lack the ability toconsent, pregnant women, etc.)