{"id":73380,"date":"2005-01-04T00:00:00","date_gmt":"2005-01-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-in-vitro-de-la-interfase-entre-el-agregado-trioxido-mineral-y-la-dentina\/"},"modified":"2005-01-04T00:00:00","modified_gmt":"2005-01-04T00:00:00","slug":"estudio-in-vitro-de-la-interfase-entre-el-agregado-trioxido-mineral-y-la-dentina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-in-vitro-de-la-interfase-entre-el-agregado-trioxido-mineral-y-la-dentina\/","title":{"rendered":"Estudio in vitro de la interfase entre el agregado tri\u00f3xido mineral y la dentina"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cristina Gonzalez Losada <\/strong><\/h2>\n<p>Justificaci\u00f3n.  el agregado tri\u00f3xido mineral se emplea en endodoncia desdes 1993.Se indica para el sellado de las v\u00edas de comunicci\u00f3n del sistema de conductos con el exterior.  se han realizado escasos estudios en los que se analice el comportamiento mec\u00e1nico del material.En esta investigaci\u00f3n buscamos conocer la magnitud de su uni\u00f3n al diente y se compara con un material control(amalgama de plata).  hip\u00f3tesis  suponemos que el agregado tri\u00f3xido mineral es capaz de unirse a las estructuras dentarias.  objetivos.  1. Comparar la resistencia de la uni\u00f3n del mta a la dentina con la de a amalgama de plata.  2. Determinar si la resistencia de la uni\u00f3n entre el mta y la dentina es suficiente para que el material no precise ser alojado en una cavidad retentiva.  3. Determinar el tipo de rotura de la uni\u00f3n mta- dentina al aplicar fuerzas.  4. Medir el grado de adaptaci\u00f3n entre el mta y la dentina.  material y m\u00e9todo  se realizan los siguientes estudios:  1. Realizaci\u00f3n de ensayos mec\u00e1nicos.Se utilizan 2 grupos de muestras (n=30).En el grupo 1 las muestras se obturan con mta y en el grupo 2 con amalgama de plata.Se realizan ensayos mec\u00e1nicos a las 72 horas, manteniendo las muestras en humedad.Utilizamos un test de extrusi\u00f3n y la m\u00e1quina universal de ensayos housfield.  2.Determinaci\u00f3n de la rotura de la uni\u00f3n.Se analiza con lupa estereosc\u00f3pia la forma en que se separa la uni\u00f3n estableciendo una clasificaci\u00f3n de la forma de rotura de la uni\u00f3n y midiendo la cantidad de material retenido, en caso de ser una rotura cohesiva.  3.Estudio de la interdase.  3.1 aspectos morfol\u00f3gicos.Estudio descriptivo de la interfase entre el mta y la dentina.En este estudio morfol\u00f3gico se analiza la adaptaci\u00f3n entre el mta y la dentina y se mide con el programa analizador de imagen leica q win.  3.2 aspectos qu\u00edmicos.Se realiza la identificaci\u00f3n mineral\u00f3gica del mta sin hidratar, empleando t\u00e9cnicas de difracci\u00f3n de<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio in vitro de la interfase entre el agregado tri\u00f3xido mineral y la dentina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio in vitro de la interfase entre el agregado tri\u00f3xido mineral y la dentina <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cristina Gonzalez Losada <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/04\/2005<\/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>Ernesto Garc\u00eda Barbero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  L\u00f3pez calvo Juan  Antonio <\/li>\n<li> Lozano del luaces vicente (vocal)<\/li>\n<li> Vega del barrio Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>esther Mar\u00eda Berastegui jimeno (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cristina Gonzalez Losada Justificaci\u00f3n. el agregado tri\u00f3xido mineral se emplea en endodoncia desdes 1993.Se indica para el [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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