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KMID : 0893420080090020193
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Journal of Veterinary Science
2008 Volume.9 No. 2 p.193 ~ p.196
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Contribution of the xenograft bone plate-screw system in lumbar transpedicular stabilization of dogs: an in-vitro study
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Hakan Salci
Sani Sarigul
Seref Dogan
Huseyin Lekesiz
Resat Ozcan
O. Sacit Gorgul
Kaya Aksoy
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Abstract
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We performed biomechanical comparison of a xenograft bone plate-screw (XBPS) system for achieving cadaveric lumbar transpedicular stabilization (TS) in dogs. Twenty dogs’ cadaveric L2-4 lumbar specimens were harvested and their muscles were removed, but the discs and ligaments were left intact. These specimens were separated to four groups: the L2-4 intact group as control (group I, n = 5), the L3 laminectomy and bilateral facetectomy group (LBF) (group II, n = 5), the LBF plus TS with metal plate-screw group (group III, n = 5) and the LBF plus TS with XBPS group (group IV, n = 5). Five kinds of biomechanical tests were applied to the specimens: flexion, extension, left-right bending and rotation. The averages of the 16 stiffness values were calculated and then these were statistically analyzed. The statistical results show that the XBPS system contributes spinal stability and this system can be a good choice for achieving TS.
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KEYWORD
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biomechanic, dog, transpedicular stabilization, xenograft bone plate-screw
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