2001 (and backfills for previous years) / DB reference years
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Author Levy RA, Chu TM, Halloran JW, Feinberg SE, Hollister S. Department of Radiology, University of Michigan Hospitals, Ann Arbor, USA.
Source AJNR Am J Neuroradiol 1997 Sep;18(8):1522-5 1
Abstract Hydroxyapatite bioceramic was used for the manufacture of an orbital floor prosthesis from spiral CT data acquired transaxially at 1-mm beam collimation, pitch of 1, and 0.2-mm reconstruction intervals. CT data were converted to vector file format for subsequent prosthesis manufacture on a stereolithography machine. The orbital floor prosthesis was engrafted onto an acrylic model of the orbit as a qualitative indication of its overall accuracy. High anatomic accuracy was achieved, as determined by visual inspection. Cross-hatching of the vector file data allowed a porous internal architecture of the prosthesis. Refinements in chemical structure of the hydroxyapatite bioceramic are expected to enhance mechanical properties. (Auth abstract) XX