Osvaldo Pereda

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This animal model experiment is performed to evaluate how bipolar direct current of 20 microamp. affects osteogenesis once external fixation treatment is applied in different forms: stabilization, distraction, and compression. In all cases a secondary healing, typical of external fixation treatment, was found; but a more mineralized callus and an increase(More)
A sample of 486 patients implantedwith Porous CoraUine Hydroxyapatite HAP-200 as a bone graft substitute was studied. The period of evolution was from 1 to 6 years. A protocol of clinical investigation was followed in four orthopedic hospitals (three in Cuba and one in Mexico) . It allowed standardizing the inclusion approaches, indication of the(More)
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