• Age 20 - 69 years;

• Symptomatic cervical degenerative disc disease in one or two levels between C3-7 with radiculopathy or myeloradiculopathy and/or decrease muscle strength and/or abnormal sensation and/or abnormal reflexes;

• Deficit confirmed by CT, MRI, or X-ray;

• NDI Score of ≥ 30/100;

• Unresponsive to non-operative treatment of at least 6 weeks or presence of progressive symptoms or signs of nerve root/spinal cord compression despite continued non-operative treatment;

• No prior surgical procedures at the operative level and non-prior fusions at any cervical level;

• Physically and mentally able and willing to comply with the protocol;

• Signed informed consent;