Clinical application of a 3D-printed metal drilling template in surgery for complex upper cervical disorders

Objective To report the clinical effects of a 3D-printed metal drilling template used in surgery for complex upper cervical disorders. Methods Between August 2015 and June 2017, 5 patients with upper cervical disorder complicated with complex cranial cervical junction deformity underwent instrumentation and fusion. They were 4 males and one female, aged from 3 to 36 years. All the patients underwent thin slice CT scan before operation....