A biomechanical study of anterior thoracolumbar screw fixation.

  title={A biomechanical study of anterior thoracolumbar screw fixation.},
  author={S W Breeze and Brian J. Doherty and Philip Noble and Adrian L Leblanc and Michael H Heggeness},
  volume={23 17},
STUDY DESIGN The pullout strength of unicortical and bicortical screws in thoracic and lumbar vertebral bodies was measured as a function of bone mineral density. OBJECTIVES To determine the influence of bone mineral density and screw insertion technique on the stability of anterior thoracolumbar spine screw fixation. SUMMARY OF BACKGROUND DATA No previous study has addressed the specific technique of screw insertion or stability of screw fixation in the anterior spine. METHODS Fifty-one… CONTINUE READING

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