1,334 research outputs found

    Volume Analysis of the Proximal Tibial Metaphysis

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    Purpose The Vitrea 2 imaging software (Vital Images Inc, Minnetonka, MN) was used for the volume analysis of the proximal tibial metaphysis. Materials and Methods Eighteen computed tomography scans of the proximal tibia were processed through the software, and 3-dimensional imaging of the proximal tibia was reconstructed. Results The volume and area of the proximal tibia that were generated resulted in a mean area of 127 cm2 and a mean volume of 77.2 cm2. Conclusion This study supports the use of the proximal tibial metaphysis as a source of low to moderate volume of autologous bone. When compared with the accepted average volume of 25 cm2, the computed results showed that there could be up to 3 times the amount of bone available in the proximal tibial metaphysis. The reported volume of bone harvested from previous studies was based on need and not the total amount available; subsequently, the results showed the possibility of a larger resource of bone, which provides the surgeon with the volumetrical limits of the proximal tibia metaphysis

    Improved encoding and control algorithms for the IVS videoconferencing software

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    Treatment of the Prominent Mandibular Angle by Using a Custom Made Surgical Splint

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    In this case report, we would like to present an alternative surgical technique for the treatment of the bilateral prominent mandibular angles by using a custom-made resin splint (template). The prefabricated template provided a precise outline for the osteotomy, which alleviated the uncertainty of the osseous cut. Furthermore, masseter muscle myomectomy was not necessary in this case which decreased morbidity, and procedure and recovery time, while assuring a more symmetric outcome

    ‘Your duties are to sweep a floor remotely’: low information quality in job advertisements is a barrier to low-income job-seekers’ successful use of digital platforms

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    Digital platforms have become central in job search. Job-seekers’ experiences with these platforms, however, is a relatively new research area. This paper presents findings from 27 interviews with US low-income job-seekers. Job-seekers encountered many job ads with low information quality on the platforms they used in their searches. These included ads where important information, such as job pay, duration, hours, location, or requirements were missing, unclear, contradictory, or misleading; ads for unethical or illegal work; and ads that did not correspond to paying work but were designed to lure job-seekers into performing free labor or into scams. While job-seekers developed heuristics to navigate low quality ads, these did not always work, and may have caused job-seekers to miss relevant job opportunities. This paper helps answer an open question in HCI research about barriers to low-income job-seekers’ successful use of digital platforms: one barrier is low information quality job ads
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