Accuracy and safety assessment of pedicle screw placement using the rapid prototyping technique in severe congenital scoliosis.

Study DesignThe application of rapid prototyping (RP) technique for improving accuracy of pedicle screw placement in congenital scoliosis is described in this study.ObjectiveTo compare the accuracy and safety of pedicle screw placement in congenital scoliosis using the RP technique versus the conven