title: Biomechanical effect of the correction on the anchoring strength of de-orbiting S1 bicortical pedicle screw - An in-vitro investigation in normal and osteoporotic conditions.
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Xin-Ming
authors.initials: XM
authors.lastname: Zhuang
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Chang-Feng
authors.initials: CF
authors.lastname: Fu
authors.affiliation: Department of Orthopaedic Surgery, the China-Japan Union Hospital of Jilin University, Changchun, PR China.
authors.forename: Wan-Guo
authors.initials: WG
authors.lastname: Liu
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Feng
authors.initials: F
authors.lastname: Xu
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Bo
authors.initials: B
authors.lastname: Shi
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Hong-Yun
authors.initials: HY
authors.lastname: Ma
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China.
authors.forename: Qi
authors.initials: Q
authors.lastname: Zhang
authors.affiliation: Shenzhen Key Laboratory of Spine Surgery, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, PR China. Electronic address: hpyubinsheng@hotmail.com.
authors.forename: Bin-Sheng
authors.initials: BS
authors.lastname: Yu
authors.affiliation: Department of Spine Surgery, the First Hospital of Jilin University, PR China. Electronic address: zhuangemail@163.com.
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
mesh_terms: D001696:Biomechanical Phenomena / Q000502:physiology; D019544:Equipment Failure Analysis; D006801:Humans; D008159:Lumbar Vertebrae; D008422:Materials Testing; D010024:Osteoporosis / Q000150:complications*; D065289:Pedicle Screws; D011475:Prosthesis Failure; D012447:Sacrum; D016103:Spinal Fractures / Q000601:surgery*; D013123:Spinal Fusion / Q000295:instrumentation*; D013314:Stress, Mechanical
keywords: Biomechanics; Correction; De-orbiting screw; Lumbosacral fusion; Osteoporosis; S1 bicortical pedicle screw