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YU Binsheng,ZHENG Zhaomin,ZHUANG Xinming.Biomechanical effect of osteoporosis on sacral pedicle screws instrumentation[J].Chinese Journal of Spine and Spinal Cord,2009,(10):740-744.

Biomechanical effect of osteoporosis on sacral pedicle screws instrumentation

Received:April 03, 2009 Revised:June 04, 2009

English Keywords:Lumbosacral fusion Pedicle screw Fixation Osteoporosis Polymethylmethacrylate Biomechanics

Fund:广东省科技计划项目（2008B050100012）

Author Name	Affiliation
YU Binsheng	Department of Spinal Surgery and Orthopaedics Research Center，the First Affiliated Hospital，Sun Yat-sen University，Guangzhou，510700，China
ZHENG Zhaomin
ZHUANG Xinming
张加芳
李泽民

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English Abstract:

【Abstract】 Objective：To investigate the biomechanical effect of osteoporosis on sacral pedicle screws instrumentation.Method：25 fresh adult human sacra specimen featuring osteoporosis were used in this study.According to the value of lumbar bone mineral d

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