Clinical Outcomes Study Evaluating the Zero-P PEEK

Inclusion Criteria: 1. Symptomatic cervical disc disease (SCDD) in only one vertebral level between C3-C7 requiring: 1. Neck or arm (radicular) pain and/or 2. Functional/neurological deficit confirmed by imaging (CT, MRI, X-Ray) of at least one of the following: i. herniated nucleus pulposus ii. spondylosis (defined by presence of osteophytes) iii. loss of disc height 2. NDI score greater than or equal to 15/50 (30%) (considered moderate disability); 3. Skeletally mature adult between the ages of 18-70 years at the time of surgery; 4. Has completed at least six (6) weeks of conservative therapy; 5. Psychosocially, mentally and physically able to fully comply with this protocol including adhering to scheduled visits, treatment plan, completing forms, and other study procedures; 6. Personally signed and dated informed consent document prior to any study-related procedures indicating that the patient has been informed of all pertinent aspects of the study. Exclusion Criteria: 1. More than one vertebral level to be fused; 2. Posterior instrumentation necessary at same level; 3. Has had previous surgery at the index level; 4. Has a fused level adjacent to the index level; 5. Active systemic or local infection; 6. Known or documented history of communicable disease, including AIDS or HIV; 7. Active hepatitis (receiving medical treatment within two years); 8. Active rheumatoid arthritis, non-controlled diabetes mellitus, or any other medical condition(s) that would represent a significant increase in surgical risk or interfere with normal healing; 9. Immunologically suppressed, or has received systemic steroids, excluding nasal steroids, at any dose daily for \> 1 month within last 12 months; 10. Known history of Paget's disease, osteomalacia, or any other metabolic bone disease; 11. Osteopenia or Osteoporosis: A screening questionnaire for osteoporosis, SCORE (Simple Calculated Osteoporosis Risk Estimation), will be used to screen patients who require a DEXA bone mineral density measurement. If DEXA is required, exclusion will be defined as a DEXA bone density measured T score ≤ -1.0. 12. Previous known allergy to the materials contained in the device, such as polyetheretherketone (PEEK) or titanium alloy (TAN); 13. Morbid obesity defined as a body mass index \> 40 kg/m2 or weight more than 100 pounds over ideal body weight; 14. Active malignancy. A patient with a history of any invasive malignancy (except non-melanoma skin cancer), unless treated with curative intent and there has been no clinical signs or symptoms of the malignancy for more than 5 years; 15. Current or recent history (within last 2 years) of substance abuse (e.g., recreational drugs, narcotics, or alcohol); 16. Pregnant or planning to become pregnant during study period; 17. Involved in study of another investigational product that may affect outcome; 18. History of psychosocial disorders that could prevent accurate completion of self reporting assessment scales; 19. Patients who are incarcerated.