Traditional and cortical trajectory screws of static and dynamic lumbar fixation- a finite element study.
Che-Wei LiuLu-Lin WangYu-Kun XuChun-Ming ChenJian-Cyuan WangWei-Tsung TsaiShang-Chih LinPublished in: BMC musculoskeletal disorders (2020)
Modeling the effects of TT and CBT fixation in a full lumbosacral model suggest that dynamic TT provide slightly superior stability compared with dynamic CBT especially in bending and rotation. In dynamic CBT design, large diameter screws might avoid issues with loosening and cracking.