<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1688-9339</journal-id>
<journal-title><![CDATA[Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Odontoestomatología]]></abbrev-journal-title>
<issn>1688-9339</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Odontología - Universidad de la República]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-93392016000200007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Endocrown: Estudio clínico retrospectivo de una serie de pacientes, en un período de 8 a 19 años]]></article-title>
<article-title xml:lang="en"><![CDATA[Endocrown: A retrospective patient series study, in a 8 to 19-year period]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borgia Botto]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="AFF"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barón]]></surname>
<given-names><![CDATA[Rosario]]></given-names>
</name>
<xref ref-type="aff" rid="AFF"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borgia]]></surname>
<given-names><![CDATA[José L]]></given-names>
</name>
<xref ref-type="aff" rid="AFF"/>
</contrib>
</contrib-group>
<aff id="AF1">
<institution><![CDATA[,Universidad de la República Facultad de Odontología Carrera de Especialización en Odontología Restauradora Integral]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="AF2">
<institution><![CDATA[,Universidad de la República Facultad de Odontología Cátedra Clínica de Operatoria Dental 2]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="AF3">
<institution><![CDATA[,Universidad de la República Facultad de Odontología Clínica de Prostodoncia]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<volume>18</volume>
<numero>28</numero>
<fpage>48</fpage>
<lpage>59</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-93392016000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-93392016000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-93392016000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Objetivo: El objetivo de este trabajo es presentar el resultado clínico retrospectivo de 11 Endocrowns, realizados por el primer autor en su consultorio privado, en un período de 8 a 19 años. Materiales and Métodos: Se establecieron criterios de inclusión y exclusión para la muestra y las restauraciones. En ciento treinta pacientes seleccionados al azar, 11 Endocrowns habían sido realizados en 11 pacientes. Tres materiales restauradores y tres cementos de resina fueron utilizados. Se analizaron diferentes variables. El Indice Kappa de Cohen, referido al análisis de calidad de las restauraciones, tuvo una variación de 0.78 a 1. Para analizar las diferencias estadísticas significativas se utilizaron métodos estadísticos descriptivos. Resultados: Al momento del examen, 10 (90.9%) Endocrowns estaban en función Uno (9.1%) había fracasado. Conclusiones: Endocrown, es un procedimiento restaurador técnicamente sensible, conservador, estético, fácil, rápido, con muy aceptable funcionalidad y longevidad, para rehabilitar dientes posteriores endodónticamente tratados, principalmente molares]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Purpose. The aim of this paper is to present the retrospective clinical performance of 11 endocrowns, placed in a single private practice in an 8-to-19-year period. Materials and Methods. Inclusion and exclusion criteria for the sample and the restorations were established. One hundred and thirty patients were selected at random. Eleven endocrowns had been placed in 11 patients. Three restorative materials and three resin cements were used. Cohen’s Kappa coefficient, on the quality analysis of the restorations, ranged from 0.78 to 1. Due to the small sample, inferential statistical methods could not be used. Therefore, statistical descriptive methods were applied. Results. At the moment of the clinical examination, 10 (90.9%) endocrowns were in function and 1 failed (9.1%). Conclusions. Endocrown is a conservative and aesthetic technique-sensitive procedure used to restore posterior endodontically treated teeth, mainly molars, with a very good biomechanical and functional performance, and very acceptable longevity]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dientes endodónticamente tratados]]></kwd>
<kwd lng="es"><![CDATA[onlays adheridos]]></kwd>
<kwd lng="es"><![CDATA[estética]]></kwd>
<kwd lng="es"><![CDATA[adhesión]]></kwd>
<kwd lng="en"><![CDATA[endodontically treated teeth]]></kwd>
<kwd lng="en"><![CDATA[bonded onlays]]></kwd>
<kwd lng="en"><![CDATA[restoration without post]]></kwd>
<kwd lng="en"><![CDATA[aesthetic]]></kwd>
<kwd lng="en"><![CDATA[adhesion]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p style="font-family: Arial;" class="x003-titulos"><font size="-1"><font style="font-weight: bold;" size="+1"><span class="Hiperv-nculo"><a id="x.81003">Endocrown:</a></span><span class="Hiperv-nculo"><a id="x.81003"> Estudio cl&iacute;nico retrospectivo de una serie de pacientes, en un per&iacute;odo de 8 a 19 a&ntilde;os</a></span></font><span class="Hiperv-nculo"></span></font></p>       <font style="font-family: Arial;" size="-1"><a id="x.81003">			</a></font>     <p style="font-family: Arial;" class="x0003-titulo-ingles"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Endocrown: A retrospective patient series study, in a 8 to 19-year period</a></span></font></p>         <p style="font-family: Arial;" class="x0003-titulo-ingles"><font size="-1"><span class="Hiperv-nculo"></span></font></p>         <p style="font-family: Arial;" class="x0003-titulo-ingles"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003"></a></span></font></p>       <font style="font-family: Arial;" size="-1"><a id="x.81003">			</a></font> <font size="-1"><span style="font-family: Arial; font-style: italic;" class="Hiperv-nculo"><a id="x.81003">Borgia Botto Ernesto , DDS</a></span><span style="font-family: Arial; font-style: italic;" class="Hiperv-nculo char-style-override-20"><a href="#1." id="x.81003">*, </a></span><span style="font-family: Arial; font-style: italic;" class="Hiperv-nculo"><a id="x.81003">Bar&oacute;n Rosario DDS</a></span><span style="font-family: Arial; font-style: italic;" class="Hiperv-nculo char-style-override-20"><a href="#2." id="x.81003">**, </a></span><span style="font-family: Arial; font-style: italic;" class="Hiperv-nculo"><a id="x.81003"> Borgia Jos&eacute; L.  DDS</a></span><span class="Hiperv-nculo char-style-override-20"><a id="x.81003"></a><a href="#3."><span style="font-family: Arial;"><span style="font-style: italic;">***</span></span></a>    <br>         <br>         <br>     </span></font>     <p style="font-family: Arial;" class="pies"><font size="-1"><span class="Hiperv-nculo"><a name="1."></a><a id="x.81003">* Prof. Director Carrera de Especializaci&oacute;n en Odontolog&iacute;a Restauradora Integral, Escuela de Graduados, Facultad de Odontolog&iacute;a, Universidad de la Rep&uacute;blica. Uruguay.&nbsp;</a></span></font></p>         <p style="font-family: Arial;" class="pies"><a href="mailto:eborgiabotto@gmail.com." id="x.81003"><font size="-1">eborgiabotto@gmail.com.</font></a></p>       <font style="font-family: Arial;" size="-1"><a id="x.81003">			</a></font>     <p style="font-family: Arial;" class="pies"><font size="-1"><span class="Hiperv-nculo"><a name="2."></a><a id="x.81003">** Prof. Interino C&aacute;tedra Cl&iacute;nica de Operatoria Dental 2, Facultad de Odontolog&iacute;a, Universidad de la Rep&uacute;blica. Uruguay.</a></span></font></p>       <font style="font-family: Arial;" size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p style="font-family: Arial;" class="pies"><font size="-1"><span class="Hiperv-nculo"><a name="3."></a><a id="x.81003">***	Prof. Adjunto Cl&iacute;nica de Prostodoncia, Facultad de Odontolog&iacute;a, Universidad de la Rep&uacute;blica. Uruguay.</a></span></font></p>     <a id="x.81003">    <br>     </a><font size="-1"><span class="Hiperv-nculo char-style-override-20"><a id="x.81003"></a></span></font>     <p style="font-family: Arial; text-align: justify;" class="x002-sub-titulos"></p>     <hr style="width: 100%; height: 2px;">     <p style="font-family: Arial; text-align: justify;" class="x002-sub-titulos"><font size="-1"><a id="x.81003"></a></font></p>         <p style="font-family: Arial; text-align: justify;" class="x002-sub-titulos"><font size="-1"><a id="x.81003"></a></font></p>         <p style="font-family: Arial; text-align: justify; font-weight: bold;" class="x002-sub-titulos"><font size="-1"><a id="x.81003">Resumen</a></font></p>         <div style="text-align: justify;">  <font size="-1"><a style="font-family: Arial;" id="x.81003">			</a></font> </div>         <p style="font-family: Arial; text-align: justify;" class="x001-texto"><font size="-1"><span class="Hiperv-nculo char-style-override-16"><a id="x.81003">Objetivo: </a></span><span class="Hiperv-nculo char-style-override-15"><a id="x.81003">El objetivo de este trabajo es presentar el resultado cl&iacute;nico retrospectivo de 11 Endocrowns, realizados por el primer autor en su consultorio privado, en un per&iacute;odo de 8 a 19 a&ntilde;os. </a></span><span class="Hiperv-nculo char-style-override-16"><a id="x.81003">Materiales and M&eacute;todos</a></span><span class="Hiperv-nculo char-style-override-42"><a id="x.81003">:</a></span><span class="Hiperv-nculo char-style-override-15"><a id="x.81003"> Se establecieron criterios de inclusi&oacute;n y exclusi&oacute;n para la muestra y las restauraciones. En ciento treinta pacientes seleccionados al azar, 11 Endocrowns hab&iacute;an sido realizados en 11 pacientes. Tres materiales restauradores y tres cementos de resina fueron utilizados. Se analizaron diferentes variables. El Indice Kappa de Cohen, referido al an&aacute;lisis de calidad de las restauraciones, tuvo una variaci&oacute;n de 0.78 a 1. Para analizar las diferencias estad&iacute;sticas significativas se utilizaron m&eacute;todos estad&iacute;sticos descriptivos. </a></span><span class="Hiperv-nculo char-style-override-16"><a id="x.81003">Resultados</a></span><span class="Hiperv-nculo char-style-override-42"><a id="x.81003">:</a></span><span class="Hiperv-nculo char-style-override-15"><a id="x.81003"> Al momento del examen, 10 (90.9%) Endocrowns estaban en funci&oacute;n Uno (9.1%) hab&iacute;a fracasado. </a></span><span class="Hiperv-nculo char-style-override-16"><a id="x.81003">Conclusiones</a></span><span class="Hiperv-nculo char-style-override-42"><a id="x.81003">:</a></span><span class="Hiperv-nculo char-style-override-15"><a id="x.81003"> Endocrown, es un procedimiento restaurador t&eacute;cnicamente sensible, conservador, est&eacute;tico, f&aacute;cil, r&aacute;pido, con muy aceptable funcionalidad y longevidad, para rehabilitar dientes posteriores endod&oacute;nticamente tratados, principalmente molares. </a></span><span class="Hiperv-nculo char-style-override-15"></span></font></p>         <div style="font-family: Arial; text-align: justify;" class="x0001-marcos-"> <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="char-style-override-16"><a id="x.81003">Palabras clave</a></span><span class="char-style-override-15"><a id="x.81003">: </a></span><span class="Hiperv-nculo"><a id="x.81003">dientes endod&oacute;nticamente tratados, onlays adheridos, restauraci&oacute;n sin poste, est&eacute;tica, adhesi&oacute;n.</a></span><span class="char-style-override-15"></span></font></p>       <font size="-1"><a id="x.81003">		</a></font></div>           ]]></body>
<body><![CDATA[<div style="text-align: justify;">  <font size="-1"><a style="font-family: Arial;" id="x.81003">		</a></font> </div>         <div style="font-family: Arial; text-align: justify;" class="x0001-marcos-"> <font size="-1"><a id="x.81003">			</a></font>     <p style="font-weight: bold;" class="x002-sub-titulos"><font size="-1"><a id="x.81003">Abstract</a></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto para-style-override-1"><font size="-1"><span class="char-style-override-16"><a id="x.81003">Purpose</a></span><span class="char-style-override-15"><a id="x.81003">. The aim of this paper is to present the retrospective clinical performance of 11 endocrowns, placed in a single private practice in an 8-to-19-year period. </a></span><span class="char-style-override-16"><a id="x.81003">Materials and Methods</a></span><span class="char-style-override-15"><a id="x.81003">. Inclusion and exclusion criteria for the sample and the restorations were established. One hundred and thirty patients were selected at random. Eleven endocrowns had been placed in 11 patients. Three restorative materials and three resin cements were used. Cohen&rsquo;s Kappa coefficient, on the quality analysis of the restorations, ranged from 0.78 to 1. Due to the small sample, inferential statistical methods could not be used. Therefore, statistical descriptive methods were applied. </a></span><span class="char-style-override-16"><a id="x.81003">Results</a></span><span class="char-style-override-15"><a id="x.81003">. At the moment of the clinical examination, 10 (90.9%) endocrowns were in function and 1 failed (9.1%). </a></span><span class="char-style-override-16"><a id="x.81003">Conclusions</a></span><span class="char-style-override-15"><a id="x.81003">. Endocrown is a conservative and aesthetic technique-sensitive procedure used to restore posterior endodontically treated teeth, mainly molars, with a very good biomechanical and functional performance, and very acceptable longevity.</a></span><span class="char-style-override-15" xml:lang="en-US"></span></font></p>       <font size="-1"><a id="x.81003">		</a></font></div>         <div style="text-align: justify;">  <font size="-1"><a style="font-family: Arial;" id="x.81003">		</a></font> </div>         <div style="font-family: Arial; text-align: justify;" class="x0001-marcos-"> <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="char-style-override-16"><a id="x.81003">Keywords</a></span><span class="char-style-override-15"><a id="x.81003">: </a></span><span class="Hiperv-nculo"><a id="x.81003">endodontically treated teeth, bonded onlays, restoration without post, aesthetic, adhesion.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto para-style-override-3"><font size="-1"><a id="x.81003">&nbsp;</a></font></p>       <font size="-1"><a id="x.81003">		</a></font></div>         <div style="text-align: justify;">  <font size="-1"><a style="font-family: Arial;" id="x.81003">		</a></font> <font size="-1"><span class="Hiperv-nculo"></span></font><font style="font-family: Arial;" size="-1"><a id="x.81003">Fecha de recibido: 31.05.16 &ndash; Fecha de aceptado 30.08.16    <br>         ]]></body>
<body><![CDATA[<br>         <br>     </a></font> <hr style="width: 100%; height: 2px;"><font style="font-family: Arial;" size="-1"><a id="x.81003">    <br>     </a></font></div>         <div style="font-family: Arial; text-align: justify;"> <font size="-1"><a id="x.81003">			</a></font>     <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003">Introducci&oacute;n</a></span></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">La restauraci&oacute;n de dientes posteriores endod&oacute;nticamente tratados (DPETs), es siempre un desaf&iacute;o para el odont&oacute;logo. Factores Biol&oacute;gicos (pron&oacute;stico endod&oacute;ntico y periodontal, evaluaci&oacute;n del riesgo de caries individual, anatom&iacute;a radicular y remanente tisular coronario) y Factores Funcionales (g&eacute;nero, h&aacute;bitos parafuncionales, ubicaci&oacute;n del diente en la arcada dentaria y el rol del mismo en el tratamiento global), deben ser considerados antes de definir la terap&eacute;utica a realizar. Por lo tanto, en algunas situaciones cl&iacute;nicas, la decisi&oacute;n surge de un enfoque multi y/o interdisciplinario. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Por su parte, algunos estudios cl&iacute;nicos, no han mostrado diferencias estad&iacute;sticas significativas en el &eacute;xito cl&iacute;nico de dientes endod&oacute;nticamente tratados (DET), restaurados con y sin postes</a></span><span class="Hiperv-nculo char-style-override-34"><a id="x.81003"> </a><a name="1a"></a></span><span class="Hiperv-nculo">(1-<a name="4a"></a><a href="#4">4)</a>. Una de las opciones para restaurar un DPET sin poste, es el procedimiento introducido por Pissis <a name="5a"></a><a href="#5">(5)</a> en 1995, descrito como la &ldquo;t&eacute;cnica del monoblock de porcelana&rdquo;, posteriormente denominado Endocrown. Cer&aacute;micas inyectadas de disilicato de litio y t&eacute;cnicas CAD-CAM sobre bloques de cer&aacute;micas feldesp&aacute;ticas, de disilicato de litio y de resinas nanocer&aacute;micas, son los materiales y t&eacute;cnicas m&aacute;s usadas en la actualidad <a name="6a"></a><a href="#6">(6)</a>. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Sin embargo, los estudios cl&iacute;nicos son escasos. Hay algunos reportes de 1 o 2 situaciones cl&iacute;nicas <a name="7a"></a><a href="#7">(7</a>-<a name="9a"></a><a href="#9">9)</a> y pocos estudios cl&iacute;nicos longitudinales que no superan los 12 a&ntilde;os</span><span class="Hiperv-nculo char-style-override-34"><a id="x.81003"> </a><a name="10a"></a></span><span class="Hiperv-nculo"><a href="#10" id="x.81003">(10</a>-<a name="13a"></a><a href="#13">13)</a>. Por lo tanto, podr&iacute;a ser de inter&eacute;s, discutir el resultado cl&iacute;nico de una peque&ntilde;a pero bien documentada serie de casos de Endocrowns.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto para-style-override-1"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">El objetivo de este trabajo es presentar el resultado cl&iacute;nico retrospectivo de 11 Endocrowns (EC), realizados por el primer autor en su cl&iacute;nica privada, en un per&iacute;odo de 8 a 19 a&ntilde;os.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003">Materiales y M&eacute;todos</a></span></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Este trabajo ha sido aprobado por el Comit&eacute; de &Eacute;tica de la Facultad de Odontolog&iacute;a, Universidad de la Rep&uacute;blica, Montevideo, Uruguay.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">En Abril de 2013, el primer autor decidi&oacute; llevar a cabo un estudio cl&iacute;nico longitudinal retrospectivo, de diferentes procedimientos restauradores, realizados por el mismo en su cl&iacute;nica privada, durante 44 a&ntilde;os.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Por lo tanto, se requer&iacute;a una base de datos amplia y de larga duraci&oacute;n, la que s&oacute;lo podr&iacute;a obtenerse de los registros cl&iacute;nicos individuales y del examen cl&iacute;nico de pacientes con muchos a&ntilde;os de asistencia al consultorio. Los criterios de inclusi&oacute;n para la muestra fueron: los pacientes deb&iacute;an haber sido asistidos y evaluados en la cl&iacute;nica del operador, durante 7 a&ntilde;os como m&iacute;nimo y haber continuado atendi&eacute;ndose hasta el a&ntilde;o 2013, con arcos dentarios completos y relaciones oclusales normales. Los pacientes con Pr&oacute;tesis Dentales Removibles, capacidades diferentes, haberse mudado o fallecido, fueron exclu&iacute;dos. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">De 2552 pacientes registrados, 210 cumpl&iacute;an los criterios de inclusi&oacute;n. Una muestra de 140 pacientes fue considerada adecuada por los autores y fueron seleccionados al azar por una asistente dental que desconoc&iacute;a los objetivos de la seleccci&oacute;n. Estos pacientes fueron invitados a participar en un examen cl&iacute;nico, entre los meses de Noviembre de 2013 y Abril de 2014: 130 aceptaron participar; 10 no concurrieron por motivos personales. Un consentimiento informado fue firmado previo al examen. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Los EC deb&iacute;an haber estado en funci&oacute;n 5 a&ntilde;os como m&iacute;nimo, para ser incluidos en el estudio. Los criterios de fracaso establecidos fueron: desprendimiento y/o remoci&oacute;n de la restauraci&oacute;n, patolog&iacute;a endod&oacute;ntica y/o periodontal o extracci&oacute;n de la pieza dentaria. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Los datos recogidos de las historias cl&iacute;nicas y del examen cl&iacute;nico y radiogr&aacute;fico</a></span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">, </a></span><span class="Hiperv-nculo"><a id="x.81003">de cada paciente, fueron registrados en unas planillas especialmente dise&ntilde;adas.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Los co-autores participaron como evaluadores independientes y la calibraci&oacute;n entre los autores, fue llevada a cabo previamente en 120 procedimientos restauradores, fuera de la muestra.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Los ex&aacute;menes cl&iacute;nicos fueron realizados con un espejo y un explorador agudo. Un control radiogr&aacute;fico fue hecho en cada DPET. La evaluaci&oacute;n de las variables relacionada a las restauraciones, fue ciega entre los autores. El Coeficiente Kappa de Cohen <a name="14a"></a><a href="#14">(14)</a>, en la calidad de las restauraciones y del examen radiogr&aacute;fico, vari&oacute; de 0.78 a 1 [excelente de acuerdo a la gu&iacute;a de Fleiss <a name="15a"></a><a href="#15">(15)</a>. En los casos de no concordancia en la calificaci&oacute;n, se registr&oacute; el valor m&aacute;s bajo.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">De 270 DPET evaluados, 26 (9.6%) fueron restaurados sin postes. De &eacute;stos, 11 fueron restaurados con un EC (4.1% del total de la muestra) en 11 pacientes. Diez pacientes fueron recitados en Setiembre de 2015 para un nuevo examen. Nueve concurrieron al control. El que no concurri&oacute; se encontraba en el exterior del pa&iacute;s y contactado telef&oacute;nicamente, inform&oacute; no tener ning&uacute;n problema con el EC en el diente 26. Fue incluido en el estudio, pero con los datos registrados en el primer examen.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Adaptaci&oacute;n Marginal, Pigmentaci&oacute;n Marginal y Superficie, fueron las variables estudiadas para establecer la calidad de las restauraciones, siguiendo el criterio de Ryge, <a name="16a"></a><a href="#16">(16)</a> modificado por los autores <a href="#t1">(Tabla 1)</a>.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="Normal para-style-override-33"><font size="-1"><span class="Hiperv-nculo char-style-override-29" xml:lang="en-US"><a id="x.81003">&nbsp;</a><a name="t1"></a><img style="width: 284px; height: 391px;" alt="" src="/img/revistas/ode/v18n28/28a07t1.jpg"></span></font></p>     <font size="-1"><a id="x.81003"></a></font>     <p class="Normal para-style-override-33"><font size="-1"><span class="Hiperv-nculo"></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>    <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Los Criterios de &Eacute;xito (CE) fueron definidos por los autores, de acuerdo al criterio de Ryge modificado y a lo establecido por Anusavice <a name="17a"></a><a href="#17">(17)</a> y agrupados de la siguiente manera:</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <br>     <font size="-1"><a id="x.81003">				<li class="x004-texto-con-vi-etas"><span class="char-style-override-18"></span><span class="Hiperv-nculo">Excelente (Ex): Cuando las restauraciones calificaron &ldquo;Alfa&rdquo; en Adaptaci&oacute;n Marginal, Pigmentaci&oacute;n Marginal y Superficie.</span></li>       				<li class="x004-texto-con-vi-etas"><span class="char-style-override-18"></span><span class="Hiperv-nculo">Bueno (B): Cuando las restauraciones calificaron &ldquo;Bravo&rdquo; en Adaptaci&oacute;n Marginal y/o Pigmentaci&oacute;n Marginal y/o Superficie.</span></li>       				<li class="x004-texto-con-vi-etas"><span class="char-style-override-18"></span><span class="Hiperv-nculo">Sobrevida Funcional (SF): Cuando las restauraciones calificaron &ldquo;Charlie&rdquo; en Adaptaci&oacute;n Marginal y/o Pigmentaci&oacute;n Marginal y/o Superficie.</span></li>       				<li class="x004-texto-con-vi-etas"><span class="char-style-override-18"></span><span class="Hiperv-nculo">Considerados juntos, Excelente y Bueno, se calificaron de &Eacute;xito Cl&iacute;nico (EC).</span></li>     </a></font>    <br>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Todos los pacientes fueron inscriptos en un Plan Preventivo Integral, se determin&oacute; el riesgo individual de caries y se les aconsej&oacute; tener una terapia de mantenimiento peri&oacute;dica, de acuerdo al riesgo de caries diagnosticado.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Para el operador, la preparaci&oacute;n dentaria es el factor m&aacute;s importante en el &eacute;xito cl&iacute;nico del tratamiento restaurador. Se basa en un enfoque conservador, teniendo en cuenta, la extensi&oacute;n de la lesi&oacute;n cariosa, la estructura dentaria remanente, la ubicaci&oacute;n de los contactos oclusales, la altura coronaria, el plano oclusal, los h&aacute;bitos del paciente, las propiedades biomec&aacute;nicas de los materiales restauradores y las consideraciones est&eacute;ticas. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">&nbsp;</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Para  los autores, Endocrown* puede definirse como: </a></span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">La restauraci&oacute;n coronaria, total o parcial, de un diente posterior endod&oacute;nticamente tratado, con remanente dentario coronario, mediante un material procesado en forma indirecta, anclado en la c&aacute;mara pulpar, recubriendo siempre la superficie oclusal y adherido a la estructura dentaria.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">* ( Nota: Los autores decidieron utilizar la palabra en ingl&eacute;s, pues su traducci&oacute;n al espa&ntilde;ol no abarcar&iacute;a todos los contenidos de los t&eacute;rminos de la definici&oacute;n antedicha).</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">&nbsp;</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Tres materiales restauradores y tres cementos resinosos fueron utilizados. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">El aislamiento con dique de goma es imprescindible en el cementado de la restauraci&oacute;n. Siguiendo las indicaciones del fabricante, despu&eacute;s de instalar el EC, se removieron los excesos de cemento mediante hilo dental o cepillitos descartables. Siempre manteniendo en posici&oacute;n la restauraci&oacute;n, se fotopolimeriz&oacute; en forma alternada en vestibular, lingual o palatino, oclusal y superficies interproximales, hasta completar 40 a 60 segundos en cada sector. Previo a la finalizaci&oacute;n de esta etapa, los m&aacute;rgenes de la restauraci&oacute;n fueron recubiertos con un gel transl&uacute;cido de glicerina, para evitar la formaci&oacute;n de una capa inhibida de polimerizar por la presencia de ox&iacute;geno. Una unidad de curado con una luz hal&oacute;gena de cuarzo-tungsteno fue utilizada hasta el a&ntilde;o 2002 y posteriormente una unidad LED (luz emitida por diodos). Un meticuloso control funcional de la oclusi&oacute;n fue llevado a cabo antes del pulido final.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Las variables evaluadas fueron: edad, g&eacute;nero, per&iacute;odo de asistencia al consultorio, preparaci&oacute;n dentaria, material restaurador, cemento resinoso, calidad y longevidad de las restauraciones, h&aacute;bitos parafuncionales, distribuci&oacute;n en las arcadas dentarias, recidiva de caries y terapia de mantenimiento.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Debido al n&uacute;mero de la muestra, los m&eacute;todos estad&iacute;sticos inferenciales no pod&iacute;an usarse. Por lo tanto, se aplicaron m&eacute;todos estad&iacute;sticos descriptivos.</a></span></font></p>         <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003"></a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003">Resultados</a></span></p>         <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003"></a></span></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">La muestra estuvo constituida por 9 mujeres y 2 hombres, en una relaci&oacute;n de 4.5 mujeres/hombres. La edad media fue 52 a&ntilde;os y 8 meses en mujeres (rango: 27 a 75) y 67 a&ntilde;os en hombres (rango: 65 a 79). </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">El tiempo durante el cual los pacientes fueron atendidos en el consultorio, vari&oacute; de 7 a 43 a&ntilde;os. El promedio fue de 18 a&ntilde;os, 1 mes.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Al momento del examen, 10 (90.9%) EC estaban en funci&oacute;n en 10 pacientes. Un molar 26, restaurado con EC, se perdi&oacute; por enfermedad periodontal despu&eacute;s de 12 a&ntilde;os y 9 meses en funci&oacute;n. Ninguna restauraci&oacute;n se desprendi&oacute;, no hubo recidiva de caries y al examen radiogr&aacute;fico no se observaron lesiones patol&oacute;gicas en los 10 DPET en funci&oacute;n <a href="#f1a">(Figs. 1a</a>,<a href="#f1d">1d</a>; <a href="#f2c">2c</a>; <a href="#f3c">3c</a>,<a href="#f3d">3d</a>; <a href="#f4c">4c)</a>.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x008-fotos"><font size="-1"><span class="Hiperv-nculo"><span></span></span></font></p>         <p class="x008-fotos"><font size="-1"><span class="Hiperv-nculo"><span></span></span></font><a name="f1a"></a><img style="width: 285px; height: 187px;" alt="" src="/img/revistas/ode/v18n28/28a07f1.jpg"></p>        <p class="x008-fotos"><a name="f1b"></a><img style="width: 266px; height: 179px;" alt="" src="/img/revistas/ode/v18n28/28a07f1b.jpg"></p>        <p class="x008-fotos"><a name="f1c"></a><img style="width: 231px; height: 186px;" alt="" src="/img/revistas/ode/v18n28/28a07f1c.jpg"></p>        <p class="x008-fotos"><a name="f1d"></a><img style="width: 238px; height: 190px;" alt="" src="/img/revistas/ode/v18n28/28a07f1d.jpg"></p>        <p class="x008-fotos"><a name="f2a"></a><img style="width: 259px; height: 213px;" alt="" src="/img/revistas/ode/v18n28/28a07f2a.jpg"></p>        <p class="x008-fotos"><a name="f2b"></a><img style="width: 289px; height: 209px;" alt="" src="/img/revistas/ode/v18n28/28a07f2b.jpg"></p>        <p class="x008-fotos"><a name="f2c"></a><img style="width: 239px; height: 185px;" alt="" src="/img/revistas/ode/v18n28/28a07f2c.jpg"></p>        <p class="x008-fotos"><a name="f3a"></a><img style="width: 289px; height: 184px;" alt="" src="/img/revistas/ode/v18n28/28a07f3a.jpg"></p>        ]]></body>
<body><![CDATA[<p class="x008-fotos"><a name="f3b"></a><img style="width: 284px; height: 236px;" alt="" src="/img/revistas/ode/v18n28/28a07f3b.jpg"></p>        <p class="x008-fotos"><a name="f3c"></a><img style="width: 283px; height: 190px;" alt="" src="/img/revistas/ode/v18n28/28a07f3c.jpg"></p>        <p class="x008-fotos"><a name="f3d"></a><img style="width: 243px; height: 169px;" alt="" src="/img/revistas/ode/v18n28/28a07f3d.jpg"></p>        <p class="x008-fotos"></p>        <p class="x008-fotos"><a name="f4a"></a><img style="width: 280px; height: 188px;" alt="" src="/img/revistas/ode/v18n28/28a07f4a.jpg"></p>        <p class="x008-fotos"><a name="f4b"></a><img style="width: 273px; height: 222px;" alt="" src="/img/revistas/ode/v18n28/28a07f4b.jpg"></p>        <p class="x008-fotos"><a name="f4c"></a><img style="width: 247px; height: 224px;" alt="" src="/img/revistas/ode/v18n28/28a07f4c.jpg"></p>        <p class="x008-fotos"><font size="-1"><span class="Hiperv-nculo"><span></span></span></font></p>    <font size="-1"><span class="Hiperv-nculo"><span></span></span></font><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">&nbsp;</a></span></font>      <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Tres EC hab&iacute;an sido instalados en molares superiores, 5 en molares inferiores y 2 en premolares inferiores, observ&aacute;ndose una relaci&oacute;n 4.0 molares/premolares <a href="#t2">(Tabla 2)</a>. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Por su parte, la sobrevida media observada de los 10 DPET en funci&oacute;n fue de 12 a&ntilde;os, 3 meses. El patr&oacute;n de desv&iacute;o estandar fue 3a&ntilde;os y 11 meses (95% CI, 2 a&ntilde;os y 10 meses - 6 a&ntilde;os y 5 meses).</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Dos peque&ntilde;as fracturas en crestas marginales distales fueron pulidas, sin afectar la restauraci&oacute;n. El </a></span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">&Eacute;xito Cl&iacute;nico</a></span><span class="Hiperv-nculo"><a id="x.81003">, relacionado a la calidad de las restauraciones, fue Excelente, 5 (50%), Bueno, 4 (40%) y Sobrevida Funcional, 1(10%) (Tabla 2). </a></span><span class="Hiperv-nculo char-style-override-29" xml:lang="en-US"></span></font></p>     <font size="-1"><a id="x.81003"></a></font>     <p class="Ning-n-estilo-de-p-rrafo para-style-override-28"><font size="-1"><span class="Hiperv-nculo char-style-override-29"></span></font><a name="t2"></a><img style="width: 576px; height: 377px;" alt="" src="/img/revistas/ode/v18n28/28a07t2.jpg"></p>         <p class="Ning-n-estilo-de-p-rrafo para-style-override-28"></p>    <font size="-1"><span class="Hiperv-nculo"></span></font>   <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Por otra parte, 2 pacientes asintom&aacute;ticos presentaron facetas de desgaste parafuncionales (la actividad no fue evaluada) y 5 estaban usando placas nocturnas de estabilizaci&oacute;n debido a bruxismo o Des&oacute;rdenes T&eacute;mporo-Mandibulares (DTM). Si estos dos grupos de pacientes se consideraran juntos, 7 (70%) de los 10 pacientes en el per&iacute;odo observado, ten&iacute;an o hab&iacute;an tenido historia de parafunci&oacute;n.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Cinco pacientes (50%), concurrieron a la terapia de mantenimiento una vez al a&ntilde;o como m&iacute;nimo.</a></span></font></p>         <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003"></a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003">Discusi&oacute;n</a></span></p>         <p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003"> </a></span></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">No existe evidencia cient&iacute;fica suficiente respecto al comportamiento cl&iacute;nico de los Endocrowns.</a></span><span class="Hiperv-nculo char-style-override-17"><a id="x.81003"> </a></span><span class="Hiperv-nculo">Estudios cl&iacute;nicos longitudinales de EC son escasos. Lander y Dietschi <a href="#7">(7)</a> presentaron 2 casos exitosos en 3 a&ntilde;os; Biacchi y cols. <a name="8a"></a><a href="#8">(8)</a> 1 caso en 3 a&ntilde;os y Fages y Bennasar <a href="#9">(9)</a> un caso sin seguimiento. Despu&eacute;s de un a&ntilde;o, Otto (10) encontr&oacute; que en 10 EC, la calificaci&oacute;n de Bravo en Adaptaci&oacute;n Marginal se increment&oacute; de 30% a 55%. Por su parte, Bernhart y cols.<a name="11a"></a><a href="#11">(11)</a>, en 20 EC, en 2 a&ntilde;os, tuvieron 90% de &eacute;xito. En el presente trabajo, 90.9% <a href="#10">(10)</a> EC permanec&iacute;an en funci&oacute;n con una sobrevida media observada de 12 a&ntilde;os y 3 meses. Considerando la calidad de las restauraciones, el </span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">&Eacute;xito Cl&iacute;nico </a></span><span class="Hiperv-nculo"><a id="x.81003">fue de 90%. </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">Estos resultados fueron mejores que los de cuatro art&iacute;culos revisados</a></span><span class="Hiperv-nculo char-style-override-44"><a id="x.81003"> </a></span><span class="Hiperv-nculo char-style-override-25"><a href="#7a">(7</a>-<a href="#10">10)</a> y podr&iacute;an ser</span><span class="Hiperv-nculo"><a id="x.81003"> </a></span><span class="Hiperv-nculo char-style-override-25">similares o mejores que los de Bernhart et al <a href="#11">(11)</a>, teniendo en cuenta el alto porcentaje de fallas observadas en s&oacute;lo dos a&ntilde;os.</span><span class="Hiperv-nculo char-style-override-17"></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Por otra parte, Otto y M&ouml;rmann <a name="12a"></a><a href="#12">(12)</a>, en 25 EC, presentaron un &eacute;xito de 90.5% en molares y 76% en premolares, a los 12 a&ntilde;os, mientras que Bindl y cols. <a href="#13">(13)</a> en un estudio prospectivo a 7 a&ntilde;os de 86 EC (70 en molares y 16 en premolares), el &eacute;xito fue de 80% y 68.8% respectivamente. Los autores concluyeron que los EC ser&iacute;an inadecuados para usar en premolares. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">La relaci&oacute;n molar/premolar en el presente estudio, fue similar a Otto y M&ouml;rman <a href="#12">(12)</a> y Bindl y cols.<a href="#13">(13)</a>. Por lo tanto, la ubicaci&oacute;n en las arcadas dentarias de los EC, no habr&iacute;a influenciado los resultados cl&iacute;nicos. Adem&aacute;s, en la presente investigaci&oacute;n, 90.9% de EC estaban en funci&oacute;n, resultado similar a Otto y M&ouml;rmann <a href="#12">(12)</a> y superior al de Bindl y cols.<a href="#13">(13)</a>, en el que hubieron adem&aacute;s 14 desprendimientos de EC y ninguno en el presente trabajo.</span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003"> </a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Los resultados cl&iacute;nicos en este estudio fueron mejores o similares que los art&iacute;culos revisados (7-13). Sin embargo, la diferencia en los tama&ntilde;os de las muestras, entre los dos &uacute;ltimos art&iacute;culos referidos <a href="#12">(12</a>,<a href="#13">13)</a> y este trabajo, podr&iacute;a constituir una limitaci&oacute;n en las comparaciones hechas entre ellos. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Los resultados de este estudio, mostraron un patr&oacute;n de desv&iacute;o estandar de 3 a&ntilde;os y 11 meses (95% CI, 2 a&ntilde;os y 10 meses - 6 a&ntilde;os y 5 meses).</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Por su parte, varios estudios cl&iacute;nicos, concluyeron que el remanente coronario es el factor m&aacute;s importante en el &eacute;xito cl&iacute;nico del DET <a name="18a"></a><a href="#18">(18</a>-<a name="21a"></a><a href="#21">21)</a></span><span class="Hiperv-nculo char-style-override-22"><a id="x.81003">. </a></span><span class="Hiperv-nculo">Por lo tanto, un criterio conservador es esencial en la preparaci&oacute;n dentaria para un EC. Toda la superficie oclusal debe ser cubierta por la restauraci&oacute;n, teniendo en cuenta la funci&oacute;n oclusal del paciente. Los onlays transmiten fundamentalmente, fuerzas compresivas en la interfase adhesiva restauraci&oacute;n - diente, mejorando el comportamiento biomec&aacute;nico <a name="22a"></a><a href="#22">(22</a>-<a name="24a"></a><a href="#24">24)</a>. Para este procedimiento restaurador fue sugerido un espesor oclusal de 3 mm. <a name="25a"></a><a href="#25">(25)</a> y aumentando el mismo la resistencia a la fractura ser&iacute;a m&aacute;s alta <a name="26a"></a><a href="#26">(26)</a>. Adem&aacute;s. si las paredes vestibular y/o palatina o lingual, tienen un espesor mayor de 2.0 mm., un chamfer de 1.2 mm. en oclusal de estas paredes, podr&iacute;an tener un efecto zuncho o abrazadera, aumentando la resistencia a la fractura de los dientes y la retenci&oacute;n de la restauraci&oacute;n (Figs. 3a, 4a).</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Las paredes internas de la corona dentaria y de la c&aacute;mara pulpar, deben tener una divergencia hacia oclusal mayor de 6</span><span class="Hiperv-nculo char-style-override-34"><a id="x.81003">0</a></span><span class="Hiperv-nculo"> y si presentan depresiones o zonas retentivas, deben rellenarse con cemento de ion&oacute;mero de vidrio. El operador, dispensa una fina capa del mismo cemento en el piso cameral. En este estudio cuatro preparaciones ten&iacute;an 3 paredes coronarias (Figs. 1b, 2a), cuatro 2 paredes (Fig. 3a) y en 2, las restauraciones abarcaban 4 paredes coronarias.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Los autores de este trabajo, consideran que extender la preparaci&oacute;n a la cara vestibular est&aacute; condicionada por requerimientos est&eacute;ticos o reducidas dimensiones de la misma. En esta situaci&oacute;n cl&iacute;nica (Fig. 4a), una reducci&oacute;n axial de 1.2 mm. de la pared vestibular fue suficiente. En vestibular, distal y palatino, el borde cavo de la preparaci&oacute;n se defini&oacute; en forma de chamfer. Estos criterios no concuerdan con la reducci&oacute;n total de la corona dentaria, propuesta por Fages y Benassar (9).</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Por otra parte, cuando deban realizarse cajas proximales, se deben seguir los protocolos establecidos para inlays/onlays de cer&aacute;micas adheridas <a name="27a"></a><a href="#27">(27</a>,<a name="28a"></a><a href="#28">28)</a>. En este sentido, los autores discrepan con la propuesta de Rocca y Krejci <a name="29a"></a><a href="#29">(29)</a> que restauran parcialmente dichas superficies con resinas compuestas directas fotopolimerizables, aumentando el n&uacute;mero de interfases y reduciendo la superficie de adhesi&oacute;n para el EC.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Por lo tanto, los criterios discutidos en las preparaciones dentarias y la presencia y preservaci&oacute;n de las estructuras dentarias remanentes por parte del operador, pudieron haber influido favorablemente en los resultados cl&iacute;nicos de este estudio.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Adem&aacute;s, estudios recientes de laboratorio han demostrado: 1) que los dientes restaurados con EC, fueron potencialmente m&aacute;s resistentes a la fractura que los rehabilitados con postes de fibra <a name="30a"></a><a href="#30">(30</a>,<a name="31a"></a><a href="#31">31)</a></span><span class="Hiperv-nculo char-style-override-34"><a id="x.81003"> </a></span><span class="Hiperv-nculo">o tuvieron similar resistencia a la fractura <a name="32a"></a><a href="#32">(32</a>-<a name="36a"></a><a href="#36">36)</a>; 2) que al eliminar el uso de postes, se reduce el n&uacute;mero de interfases adhesivas, por lo que la restauraci&oacute;n ser&iacute;a menos susceptible a la degradaci&oacute;n de la capa h&iacute;brida <a href="#8">(8)</a>; 3) que los EC realizados con resinas nanocer&aacute;micas, podr&iacute;an tener mejor resistencia y modo de fractura pero mayor microfiltraci&oacute;n <a name="37a"></a><a href="#37">(37)</a>, comparados con algunos bloques cer&aacute;micos. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Mientras, en estudios cl&iacute;nicos y de laboratorio, los cementos resinosos de polimerizaci&oacute;n qu&iacute;mica y dual, tuvieron un mejor comportamiento que los fotopolimerizables y los de autograbado <a name="38a"></a><a href="#38">(38</a>-<a name="44a"></a><a href="#44">44)</a>. Sin embargo, utilizando unidades de curado LED de alta potencia y aumentando el tiempo de exposici&oacute;n, a trav&eacute;s de materiales cer&aacute;micos con diferentes espesores, recientes investigaciones de laboratorio han encontrado mayor grado de conversi&oacute;n y despu&eacute;s de 24 horas, mayores valores de microdureza, en cementos resinosos fotopolimerizables y duales <a name="45a"></a><a href="#45">(45</a>,<a name="46a"></a><a href="#46">46)</a>. Por lo tanto, los procedimientos cl&iacute;nicos y los cementos utilizados, pudieron haber influido en el </span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">&Eacute;xito</a></span><span class="Hiperv-nculo"><a id="x.81003"> </a></span><span class="Hiperv-nculo char-style-override-25"><a id="x.81003">Cl&iacute;nico</a></span><span class="Hiperv-nculo"> obtenido (90%) (Figs. 1c, 2b, 3b, 4b). </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">En una publicaci&oacute;n reciente <a name="47a"></a><a href="#47">(47)</a>, el bruxismo fue estad&iacute;sticamente el factor de mayor riesgo de fracturas en DET. En esta investigaci&oacute;n, 7 pacientes (70%) ten&iacute;an o hab&iacute;an tenido historia de parafunci&oacute;n, lo que est&aacute; en relativa concordancia con estudios epidemiol&oacute;gicos de bruxismo y DTM <a name="48a"></a><a href="#48">(48</a>,<a name="49a"></a><a href="#49">49)</a>. Pero en el trabajo de Bindl y cols. <a href="#13">(13)</a>, los pacientes con historia de DTM fueron excluidos de la muestra, lo que pudo haber mejorado los resultados cl&iacute;nicos del mismo.</span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Considerando al g&eacute;nero como variable, los hombres desarrollan fuerzas m&aacute;s intensas que las mujeres, increment&aacute;ndose la diferencia cuando existen h&aacute;bitos parafuncionales <a name="50a"></a><a href="#50">(50)</a>. En este estudio, la relaci&oacute;n fue de 4.5 mujeres por hombre, por lo que el g&eacute;nero pudo haber favorecido los resultados cl&iacute;nicos. </span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">No hubo recidivas de caries en esta investigaci&oacute;n. Este resultado pudo deberse, a que cada paciente fue inscripto en un Plan Preventivo Integral, se diagnostic&oacute; el riesgo de caries individual y se estableci&oacute; una terapia de mantenimiento de acuerdo a este &uacute;ltimo. A pesar de esto, s&oacute;lo el 50% de los pacientes concurrieron a controlarse, al menos una vez al a&ntilde;o.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Las variables edad, material restaurador y terapia de mantenimiento, no pudieron ser evaluadas en este trabajo, debido al tama&ntilde;o de la muestra y a que hubo una sola falla.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Por lo tanto, Endocrown puede ser considerado como un procedimiento restaurador conservador, f&aacute;cil y r&aacute;pido de realizar, est&eacute;tico y funcional en DPET, principalmente en molares. Estar&iacute;a indicado en casi todos los casos, especialmente en coronas cortas y en ra&iacute;ces delgadas o calcificadas. Est&aacute; contraindicado cuando el espesor de la pared a nivel cervical es menor de 2mm.(9).</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo">Por otra parte, la longevidad de las restauraciones posteriores, depende de factores relacionados con el material, el paciente y el operador <a name="51a"></a><a href="#51">(51</a>,<a name="52a"></a><a href="#52">52)</a>. En el presente trabajo todos los Endocrown fueron realizados por un experimentado operador, lo que pudo haber mejorado los resultados cl&iacute;nicos de este estudio.</span></font></p>         <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003"></a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003"><span style="font-weight: bold;">Conclusiones</span></a></span></p>         <p class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003"><span style="font-weight: bold;"></span> </a></span></p>       <font size="-1"><a id="x.81003">			</a></font>     ]]></body>
<body><![CDATA[<p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">En funci&oacute;n del muy buen &Eacute;xito Cl&iacute;nico y dentro de las limitaciones de este estudio, se podr&iacute;a concluir que Endocrown es un procedimiento t&eacute;cnicamente sensible, conservador y est&eacute;tico, para restaurar dientes posteriores endod&oacute;nticamente tratados, principalmente molares, con muy buen resultado biomec&aacute;nico y funcional y una longevidad muy aceptable. A pesar de la peque&ntilde;a muestra, los resultados destacan que varios factores deben ser considerados, para alcanzar un excelente &eacute;xito cl&iacute;nico.</a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003">Futuras investigaciones deber&iacute;an realizarse, para determinar el &eacute;xito cl&iacute;nico a largo plazo, de muestras m&aacute;s grandes de Endocrown con diferentes materiales.</a></span></font></p>         <p class="x001-texto"><font size="-1"><span class="Hiperv-nculo"><a id="x.81003"></a></span></font></p>       <font size="-1"><a id="x.81003">			</a></font>     <!-- ref --><p style="font-weight: bold;" class="x002-sub-titulos"><span class="Hiperv-nculo"><a id="x.81003">Referencias</a></span></span></font>     <br>     <span class="Hiperv-nculo char-style-override-17"></span><span class="char-style-override-18">    <!-- ref --><br>     </span><font size="-1"><span class="Hiperv-nculo"><a name="2"></a><a href="#1a">2</a>. Creugers NH</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Mentink AG</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Fokkinga WA</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Kreulen CM</span><span class="Hiperv-nculo">. 5-year follow-up of a prospective&nbsp;clinical&nbsp;study on various types of core restorations. Int J Prosthodont 2005;18:34-39.    </span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <!-- ref --><br>     <a name="3"></a><a href="#4a">3</a>.	</span><span class="Hiperv-nculo">Naumann M</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Koelpin M</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Beuer F</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Meyer-Lueckel H</span><span class="Hiperv-nculo">. 10-year survival evaluation for glass-fiber-supported post-endodontic restoration: a prospective observational clinical&nbsp;study. </span><span class="Hiperv-nculo">J</span><span class="Hiperv-nculo"> Endod&nbsp;2012;38:432-435.     </span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <!-- ref --><br>     <a name="4"></a><a href="#4a">4</a>.	</span><span class="Hiperv-nculo">Fokkinga WA</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Kreulen CM</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Bronkhorst EM</span><span class="Hiperv-nculo">,&nbsp;</span><span class="Hiperv-nculo">Creugers NH</span><span class="Hiperv-nculo">. Up to 17-year controlled&nbsp;clinical&nbsp;study on post-and-cores and covering crowns. </span><span class="Hiperv-nculo">J</span><span class="Hiperv-nculo"> Dent 2007;35:778-786.    </span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <!-- ref --><br>     <a name="5"></a><a href="#5a">5</a>.	</span><span class="Hiperv-nculo">Pissis P. Fabrication of a metal-free ceramic restoration utilizing the mono-block technique. Prac Periodontics Aesthet Dent 1995;5:83-94.    </span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <!-- ref --><br>     <a name="6"></a><a href="#6a">6</a>.	</span><span class="Hiperv-nculo">Ferencz JL, Silva NRFA, Navarro JM. High-strength ceramics. Interdisciplinary Perspectives. Quintessence Publishing Co Inc, 2014.    </span></font>    ]]></body>
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<body><![CDATA[<br>     <font size="-1"><span class="char-style-override-18">    <br>     <a name="24"></a><a href="#24a">24</a>.	</span><span class="Hiperv-nculo" xml:lang="en-GB">Yamada Y, Tsubota Y, Fukushima S. Effect of restoration method on fracture resistance of endodontically treated maxillary premolars. </span><span class="Hiperv-nculo" xml:lang="en-US">Int J Prosthodont 2004;17:     <br>     94-98.</span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <!-- ref --><br>     <a name="25"></a><a href="#25a">25</a>.	</span><span class="Hiperv-nculo" xml:lang="en-US">Sevimli G, Cengiz S, Oruc MS. Endocrowns: Review. J Istanbul Univ Fac Dent 2015;2:57-63.    </span></font>    <br>     <font size="-1"><span class="char-style-override-18">    <br>     <a name="26"></a><a href="#26a">26</a>.	</span><span class="Hiperv-nculo" xml:lang="en-US">M&ouml;rmann WH, Bindl A, L&uuml;thy H, Rathke A. Effects of preparation and luting system on all-ceramic computer-generatedcrowns. Int J Prosthodont     <br>     1998;11:333-339.</span></font>    <br>     <font size="-1"><span class="char-style-override-18">    ]]></body>
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