The Risks of Pedicle Wall Breech with Larger Screws After Untapping

Scientific Paper Chin KR1, Gibson B. Interested medical professionals can read the full paper, published also in the Spine Journal, here. BACKGROUND CONTEXT A linear relation exists between the insertional torque when placing a screw and the ultimate screw pullout strength; therefore, undertapping of the pedicle followed by insertion of a larger screw may enhance the pullout strength …

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