{"id":20565,"date":"2018-03-09T09:09:57","date_gmt":"2018-03-09T09:09:57","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evaluacion-del-sellado-marginal-en-dientes-preparados-para-recibir-pernos-intrarradiculares\/"},"modified":"2018-03-09T09:09:57","modified_gmt":"2018-03-09T09:09:57","slug":"evaluacion-del-sellado-marginal-en-dientes-preparados-para-recibir-pernos-intrarradiculares","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/evaluacion-del-sellado-marginal-en-dientes-preparados-para-recibir-pernos-intrarradiculares\/","title":{"rendered":"Evaluaci\u00f3n del sellado marginal en dientes preparados para recibir pernos intrarradiculares"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ary Fernando Pappen <\/strong><\/h2>\n<p>Justificaci\u00f3n y objetivos  los dientes endodonciados que presentan p\u00e9rdidas coronarias extensas con frecuencia necesitan restauraciones con perno y n\u00facleo. La preparaci\u00f3n del espacio intracanal para la colocaci\u00f3n del perno supone la remoci\u00f3n del material de obturaci\u00f3n del conducto radicular. No es raro que despu\u00e9s de la preparaci\u00f3n del conducto para el perno transcurra cierto tiempo hasta la cementaci\u00f3n de \u00e9ste, exponiendo el remante de gutapercha a microfiltraciones, pues muchas veces queda expuesta al medio bucal. Si se produce esta filtraci\u00f3n puede haber contaminaci\u00f3n de los tejidos periapicales, resultando en fracaso endod\u00f3ntico. El prop\u00f3sito de este trabajo es evaluar in vitro la permeabilidad marginal del remanente de la obturaci\u00f3n despu\u00e9s de la preparaci\u00f3n para colocar un perno en el conducto, cuando se emplea una capa de amalgama entre el canal prot\u00e9tico preparado y el remanente de la obturaci\u00f3n. Siendo los objetivos del mismo:  1,- evaluar la capacidad selladora de los cementos endondoticos a base de resina ep\u00f3xica (ah-plus(r)) y a base de hidr\u00f3xido de calcio (sealapex(r)).  2,- observar la capacidad selladora de la amalgama de plata cuando se colocada intraconducto en la porci\u00f3n m\u00e1s coronaria de al obturacik\u00f3n de gutapercha, despu\u00e9s de la preparaci\u00f3n para el perno prot\u00e9tico.  material y m\u00e9todos  a noventa dientes unirradiculares, esterilizados e hidratados en agua destilada durante 48 horas, se les cortaron las coronas de manera que las ra\u00edces presentaran 15 mm., Desde su pared cotonaria hasta el \u00e1pice. El tercio cervical se prepar\u00f3 utilizando fases gattes-gildden y se realiz\u00f3 la preparaci\u00f3n biomec\u00e1nica en sentido corono-apical. Los conductos fueron irrigados con hipoclorito de sodio al 1% y edta al 17%.  despu\u00e9s fueron secados con puntas de papel absorbente est\u00e9riles y obturados con una t\u00e9cnica h\u00edbrida de gutapecha termopl\u00e1stico (mcspadden + condensaci\u00f3n lateral).  en la mitad de<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evaluaci\u00f3n del sellado marginal en dientes preparados para recibir pernos intrarradiculares<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evaluaci\u00f3n del sellado marginal en dientes preparados para recibir pernos intrarradiculares <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ary Fernando Pappen <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/12\/2002<\/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>Manuel Bravo Perez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alejandro Ceballos salobre\u00f1a <\/li>\n<li>Jos\u00e9 Manuel Gandara rey (vocal)<\/li>\n<li>joaquin Espin ferra (vocal)<\/li>\n<li>abel Garc\u00eda Garc\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ary Fernando Pappen Justificaci\u00f3n y objetivos los dientes endodonciados que presentan p\u00e9rdidas coronarias extensas con frecuencia necesitan [&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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