{"id":67465,"date":"2018-03-09T22:55:55","date_gmt":"2018-03-09T22:55:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-fa%c2%adsico-qua%c2%admico-de-diversas-marcas-de-gutapercha-termoplastificada\/"},"modified":"2018-03-09T22:55:55","modified_gmt":"2018-03-09T22:55:55","slug":"analisis-fa%c2%adsico-qua%c2%admico-de-diversas-marcas-de-gutapercha-termoplastificada","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/estomatologia-y-ortodoncia\/analisis-fa%c2%adsico-qua%c2%admico-de-diversas-marcas-de-gutapercha-termoplastificada\/","title":{"rendered":"An\u00e1lisis f\u00edsico qu\u00edmico de diversas marcas de gutapercha termoplastificada"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cristina Mar\u00eda Rodr\u00edguez Henderson <\/strong><\/h2>\n<p>El conocimiento de las fases cristalogr\u00e1ficas (alfa y beta) como propiedades t\u00e9rmicas en la gutapercha termoplastificada nos ayuda a conocer su fluidez durante la condensaci\u00f3n de los conductos radiculares. Un exceso del porcentaje de \u00f3xido de cinc tiende a disminuir la capacidad de elongaci\u00f3n de la gutapercha volvi\u00e9ndola m\u00e1s fr\u00e1gil. Este estudio determina la fase cristalogr\u00e1fica que presentan distintos preparados de gutapercha comercial, mediante an\u00e1lisis t\u00e9rmico (calorimetr\u00eda diferencial de barrido dsc) y tambi\u00e9n determina el porcentaje de \u00f3xido de cinc de distintos preparados de gutapercha comercial, mediante espectroscopia de absorci\u00f3n at\u00f3mica (aas). Para ello se utilizaron muestras de: obtura reg flow, obtura flow, dia dent, schwed reg flow, schwed easy flow, a&#038;q, ultrafil blanco, ultrafil azul, soft core, thermafil, autofit back fill, autofit fm, quick fill. Los resultados fueron interpretados por medio de programa estad\u00edstico spss. Se ha determinado la media aritm\u00e9tica, los valores m\u00ednimos y m\u00e1ximos y la desviaci\u00f3n est\u00e1ndar. Se utilizaron las pruebas no param\u00e9tricas de kruskal-wallis para determinar si existen o no diferencias significativas, la u de mann-whitney para determinar las diferencias entre grupos de dos, para ambos con un intervalo de confianza del 5%. Las gutaperchas que presentaron un comportamiento alfa fueron: ultrafil (blanco y azul), dia dent, autofit back fil, autofit fm, thermafil, quickfill, schwed regular flow, schwed easy flow y soft core. Y las que presentaron un comportamiento beta fueron: obtura regular flow, obtura flow y e&#038;q. Las gutaperchas que presentaron mayor porcentaje de \u00f3xido de cinc fueron: ultrafil (blanco), seguido de ultrafil (azul), obtura regular flow, dia dent, obtura flow, autofit back fil, autofit fm, thermafil, e&#038;q, quick fill, schwed regular flow, schwed easy flow, soft core.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis f\u00edsico qu\u00edmico de diversas marcas de gutapercha termoplastificada<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis f\u00edsico qu\u00edmico de diversas marcas de gutapercha termoplastificada <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cristina Mar\u00eda Rodr\u00edguez Henderson <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/10\/2008<\/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>Carlos Canalda Sahli<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: esteban Brau aguade <\/li>\n<li>Rafael Llamas cadaval (vocal)<\/li>\n<li>agust\u00edn Pascual moscard\u00f3 (vocal)<\/li>\n<li>isabel Camps alemany (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cristina Mar\u00eda Rodr\u00edguez Henderson El conocimiento de las fases cristalogr\u00e1ficas (alfa y beta) como propiedades t\u00e9rmicas en [&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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