Comparison of the biomechanics of plates with modified surface texture in an in vitro chicken model
Journal Title: Ege Tıp Dergisi - Year 2016, Vol 55, Issue 4
Abstract
Aim: Plate and screw combinations have long been in frequent use in the surgical treatment of bone fractures. Developments in the essentials of surgical fracture treatment in the last few years are mainly due to a better understanding of different responses to varying mechanical conditions and advances in the science of materials used for treatment. This study aimed to assess the stability of plates whose surface texture had been modified without affecting their structural characteristics. Materials and Methods: The plates used in the study were prepared as standard four-hole plates according to three different surface designs; sanded, grooved or smooth. The plates were designed for the particular characteristics of chicken bones; they were applied following transverse osteotomy of the femur. Their stability was biomechanically tested in vitro. The bones subjected to osteotomy and fixated by plates were tested for axial compression loading, three-point bending and torsion. Results: Mean resistance force for grooved surfaced plates was superior to sanded and smooth surfaced plates for all test types. The plates with grooved surface were the most resistant, followed in the order by the sanded and the smooth (control) plates (p<0.05). Conclusion: The study showed that the plates with surface modifications were at least as stable as the control group plates. We found most stable plate as grooved surfaced plate. The possible effects in the living organism are yet unknown.
Authors and Affiliations
Numan Kuyubaşı, Birol Gülman, Ferhat Say, Alper Çıraklı, Fatih Yıldız
Keywords
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- DOI 10.19161/etd.344224
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