Interbody Cages: Surface Technologies in Spinal Implants.
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2026-05
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➢ Implant surface characteristics play a critical role in promoting osseointegration and long-term spinal fusion success. ➢ Titanium and polyetheretherketone (PEEK) are the most commonly utilized materials in interbody cages, each with distinct advantages and limitations. ➢ Surface modifications such as roughening, porosity, and hydroxyapatite coatings enhance osseointegration and early fusion outcomes. ➢ Emerging materials, including silicon nitride and porous tantalum, demonstrate favorable biological and mechanical properties but require further clinical validation. ➢ No single implant material or surface technology has shown consistent clinical superiority, highlighting the need for ongoing research and evidence-based selection.
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Nassar, Joseph E, Lama A Ammar, Trevor L Toavs, Jinseong Kim, Ashley Knebel, Mohammad Daher, Christopher I Shaffrey, Alan H Daniels, et al. (2026). Interbody Cages: Surface Technologies in Spinal Implants. The Journal of bone and joint surgery. American volume. 10.2106/jbjs.25.00904 Retrieved from https://hdl.handle.net/10161/34841.
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Christopher Ignatius Shaffrey
I have more than 25 years of experience treating patients of all ages with spinal disorders. I have had an interest in the management of spinal disorders since starting my medical education. I performed residencies in both orthopaedic surgery and neurosurgery to gain a comprehensive understanding of the entire range of spinal disorders. My goal has been to find innovative ways to manage the range of spinal conditions, straightforward to complex. I have a focus on managing patients with complex spinal disorders. My patient evaluation and management philosophy is to provide engaged, compassionate care that focuses on providing the simplest and least aggressive treatment option for a particular condition. In many cases, non-operative treatment options exist to improve a patient’s symptoms. I have been actively engaged in clinical research to find the best ways to manage spinal disorders in order to achieve better results with fewer complications.
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