Pull-out strength of cemented solid versus fenestrated pedicle screws in osteoporotic vertebrae

[摘要] ObjectivesCement augmentation of pedicle screws could be used to improve screw stability, especially in osteoporotic vertebrae. However, little is known concerning the influence of different screw types and amount of cement applied. Therefore, the aim of

[学科分类] 骨科学

[关键词] Spine;Fenestrated pedicle screw;High viscosity cement;Pull-out strength;Osteoporosis