An Official Journal of Polish Society of Orthopaedics and Traumatology
ISSN:1897-2276
e-ISSN: 2449-9145
Dr, Orthopaedic and Traumatology Department, Syaiful Anwar General Hospital, Brawijaya University, Malang, Indonesia
Research Article
Comparison between short segment pedicle and lateral mass screw construction strength for resisting flexion and extension motion in sub axial cervical spine
Author(s):
Syaifullah Asmiragani*, Tjuk Risantoso, Andhika Yudistira and Ery Satriawan
Background: There are several kinds of posterior cervical instrumentation in vertebrae such as wiring, lateral mass, and pedicle screw. Lateral mass still becomes the main choice for instrumentation, although the pedicle screw has better pull-out strength compared to lateral mass.
Objective: The aim of this study was to compare lateral mass and pedicle screw strength in short segment construction for flexion/extension motion in the sub axial cervical spine.
Method: Six adult sub axial cervical spines were harvested from human cadavers. Each cadaver divided into Cervical 3-4 and Cervical 5-6 then 3,5 mm screw was placed with Roy-Camille technique for lateral mass and Abumi technique for pedicle. The cyclic load of flexion and extension motion was applied for each construction to evaluate the construction strength in a f.. Read More»
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