{"id":89408,"date":"2018-03-10T00:14:33","date_gmt":"2018-03-10T00:14:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/reparacion-del-tejido-oseo-mediante-osteotransuccion-con-cemento-de-fosfato-calcico-estudio-experimental\/"},"modified":"2018-03-10T00:14:33","modified_gmt":"2018-03-10T00:14:33","slug":"reparacion-del-tejido-oseo-mediante-osteotransuccion-con-cemento-de-fosfato-calcico-estudio-experimental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/reparacion-del-tejido-oseo-mediante-osteotransuccion-con-cemento-de-fosfato-calcico-estudio-experimental\/","title":{"rendered":"Reparaci\u00f3n del tejido \u00f3seo mediante osteotransucci\u00f3n con cemento de fosfato c\u00e1lcico. estudio experimental"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pere Torner Pifairr\u00e9 <\/strong><\/h2>\n<p>Introduccion  los cementos de fosfato c\u00e1lcico representan actualmente uno de los grupos de biomateriales m\u00e1s estudiados en todo el mundo debido a sus propiedades biol\u00f3gicas: excelente biocompatibilidad e integraci\u00f3n por osteotransducci\u00f3n. la osterotransducci\u00f3n es un t\u00e9rmino que reune las propiedades de osteocunducci\u00f3n y de biodegradabilidad selectiva del material en el interior del hueso.  el estudio experimental realizado compara cuantitativamente, mediante t\u00e9cnicas de histomorfometr\u00eda \u00f3sea, las regeneraci\u00f3n de tejido \u00f3seo que se obtiene con injerto (aut\u00f3logo y hom\u00f3logo) con la de un cemento de fosfato c\u00e1lcico desarrollado en el departamento de ciencias de los materiales de la universidad polit\u00e9cnica de catalunya.  materiales y m\u00e9todos  se han realizado defectos cavitarios de 6 mm de di\u00e1metro en la met\u00e1fisis femoral distal de 48 conejos de raza albina nueva zelanda, que, divididos en 4 grupos, han recibido respectivamente injerto aut\u00f3logo, injerto hom\u00f3logo, cemento de fosfato c\u00e1lcico o ning\u00fan implante (grupo control). Las muestras se han procesado por inclusi\u00f3n en bloques de metacrilato, con hueso sin decalcificar. Los resultados se han obtendio mediante radiolog\u00eda, histolog\u00eda e histomorfometr\u00eda \u00f3sea por digitalizaci\u00f3n de im\u00e1genes microsc\u00f3picas.  resultados  el estudio histol\u00f3gico muestra una correcta integraci\u00f3n del cemento de fosfato c\u00e1lcico, con ausencia de interfase fibrosa entre el biomaterial y el hueso, y una neoformaci\u00f3n \u00f3sea progresiva y centr\u00edpeta. El an\u00e1lisis estad\u00edstico de los datos histomorfom\u00e9tricos muestra que la regeneraci\u00f3n \u00f3sea obtenida con el cemento es equivalente a la de los injertos \u00f3seos. aparece, no obstante, una cifra anormalmente elevda de osteoide que sugiere la existencia de alguna dificultad en el momento de la osificaci\u00f3n del tejido neoformado y que invita a realizar nuevos estudios.  conclusiones  el cemento de fosfato c\u00e1lcico es un material biocompatib<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Reparaci\u00f3n del tejido \u00f3seo mediante osteotransucci\u00f3n con cemento de fosfato c\u00e1lcico. estudio experimental<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Reparaci\u00f3n del tejido \u00f3seo mediante osteotransucci\u00f3n con cemento de fosfato c\u00e1lcico. estudio experimental <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pere Torner Pifairr\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/03\/2001<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Robert Ramon Soler<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan S\u00e1nchez-lloret tortosa <\/li>\n<li>josep antoni Planell estany (vocal)<\/li>\n<li>alfons Fern\u00e1ndez  sabat\u00e9 (vocal)<\/li>\n<li>joan Nardi vilardaga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pere Torner Pifairr\u00e9 Introduccion los cementos de fosfato c\u00e1lcico representan actualmente uno de los grupos de biomateriales 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