Lista de las principales resoluciones relacionadas con la Estrategia Internacional del Desarrollo y el Programa de Acción Regional aprobadas por la Asamblea General y el Consejo Económico y Social de las NU, la CEPAL y el CDCC = List of main resolutions adopted with regard to the International Development Strategy and the Regional Programme of Action by the General Assembly, United Nations Economic and Social Council, ECLA and CDCC

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Bone apposition to laminin-1 coated implants: Histologic and 3D evaluation

Laminin-1 has been reported as one of the factors responsible for the nucleation of calcium phosphates and, in vitro, has been reported to selectively recruit osteoprogenitors. This article focused on its in vivo effects, and evaluated the effect of laminin-1 local application on osseointegration. Polished cylindrical hydroxyapatite implants were coated with laminin-1 (test) and the bone responses in the rabbit tibiae after 2 and 4 weeks were evaluated and compared to the non-coated implants (control). Before the samples were processed for histological sectioning, they were three-dimensionally analysed with micro computed tomography (μCT). Both evaluation methods were analysed with regards to bone area around the implant and bone to implant contact. From the histologic observation, new bone formation around the laminin-1 coated implant at 2 weeks seemed to have increased the amount of supporting bone around the implant, however, at 4 weeks, the two groups presented no notable differences. The two-dimensional and three-dimensional morphometric evaluation revealed that both histologic and three-dimensional analysis showed some tendency in favour of the test group implants, however there was no statistical significance between the test and control group results. © 2012 International Association of Oral and Maxillofacial Surgeons.

Instituto Latinoamericano de Planificación Económica y Social (ILPES): perspectivas futuras y síntesis de actividades 1981-1984 = Latin American Institute for Economic and Social Planning (ILPES): future prospects and summary of activities 1981-1984

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