Figure 8

Representation of the pull-out strengths from vertebral bodies of body donors as a function of the bone mineral density BMD (left) and the insertion torque (right), with differentiation of the screws ST2_7 and ST3_6.2
Representation of the pull-out strengths from vertebral bodies of body donors as a function of the bone mineral density BMD (left) and the insertion torque (right), with differentiation of the screws ST2_7 and ST3_6.2