A patient with a paraprosthetic-sigmoid fistula following complicated aortic abdominal surgery is reported. Computed tomography confirmed the diagnosis by demonstrating inflammatory tissue around the left limb of the prosthesis in close contact with the sigmoid.
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Photothermal Coating on Zinc Alloy for Controlled Biodegradation and Improved Osseointegration.
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Department of Prosthodontics, Peking University School and Hospital of Stomatology, No.22, Zhongguancun South Avenue, Haidian District, Beijing, 100081, China.
Zinc (Zn) and its alloys are promising biomaterials for orthopedic applications due to their degradability and mechanical properties. Zn plays a crucial role in bone formation, but excessive early release may cause cytotoxicity and inhibit osseointegration. To solve this, we developed a near-infrared (NIR) light-controlled polycaprolactone/copper-sulfur (PCL/CuS) coating that slows degradation and enhances osseointegration of Zn alloys.
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The Estimation of Cementoenamel Junction Crestal Bone Distance in Mandibular Anterior Teeth.
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