FIGURE 2.

Illustration of the testing sequence: Specimens were tested (1) in the intact condition, (2) after implantation of a donor-specific 3D printed titanium vertebral body replacement at T6 level (depicted in gray) using a unilateral surgical approach and long (T4–T8) posterior instrumentation, (3) in the same condition but using short (T5–T7) posterior instrumentation, (4) after performing a bilateral surgical approach stabilized by long (T4–T8) posterior instrumentation, and (5) in the same condition but using short (T5–T7) posterior instrumentation.