<?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>0213-1285</journal-id>
<journal-title><![CDATA[Avances en Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Av Odontoestomatol]]></abbrev-journal-title>
<issn>0213-1285</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Avances, S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0213-12852019000300003</article-id>
<article-id pub-id-type="doi">10.4321/s0213-12852019000300003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Capacidad de Disolución del Hipoclorito de Sodio con o sin Activación]]></article-title>
<article-title xml:lang="en"><![CDATA[Dissolution Capacity of Sodium Hypochlorite with or without Activation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monardes Cortés]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Uribe]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arriagada Arriagada]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abarca Reveco]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad San Sebastián Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>113</fpage>
<lpage>118</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0213-12852019000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0213-12852019000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0213-12852019000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Una de las propiedades del hipoclorito de sodio (NaOCl) es la disolución de tejido pulpar remanente después de la instrumentación. Los sistemas de activación del irrigante pretenden mejorar esta propiedad. Este trabajo tiene como objetivo determinar la capacidad de disolución de tejido de NaOCl con y sin activación sónica o ultrasónica en diferentes concentraciones.  Metodología: 300 muestras de tejido conectivo de paladar de cerdo de 4,5 * 2 mm obtenidos 1 día antes del estudio, congelado a -15©C en 100% de humedad, fueron pesados en una balanza analítica y sometidos a la acción de NaOCl 1%, 3% y 5% con y sin activación durante 45 minutos, cambiando la solución cada 10 minutos. Se secaron en papel filtro y se pesaron nuevamente. Los datos se analizaron mediante tests Kolmogorov &#8211; Smirnov; Kruskal &#8211; Wallis y Mann &#8211; Whitney.  Resultados y Discusión: NaOCl 1% tiene menor capacidad de disolución que mejora levemente al activarlo. NaOCl 3% tiene mejor capacidad de disolución que NaOCl 1%, pero la activación no la mejora significativamente. NaOCl 5% tiene mayor capacidad de disolución, que aumenta con la activación, sin significancia entre activación sónica y ultrasónica, lo que se debería a que la mucosa palatina porcina requiere más tiempo para su disolución completa, y a que el volumen de tejido utilizado es mayor que una pulpa dental.  Conclusiones: Bajo las condiciones de este estudio, sólo NaOCl 5% mostró mayor capacidad de disolución con la activación. NaOCl 1% y 3% no mejoraron significativamente con la activación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: One of the properties of sodium hypochlorite (NaOCl) is dissolution of pulp tissue remaining after instrumentation. Irrigant activation systems aim to improve this property. The objective of this work is to determine tissue dissolution capacity of NaOCl with and without sonic or ultrasonic activation in different concentrations.  Methodology: 300 pork palate connective tissue samples of 4.5 * 2 mm obtained 1 day before the study, frozen at -15 © C in 100% humidity, weighed on an analytical balance and subjected to the action of NaOCl 1%, 3% and 5% with and without activation for 45 minutes, changing the solution every 10 minutes. They were dried on filter paper and weighed again. The data were analyzed by Kolmogorov-Smirnov tests; Kruskal - Wallis and Mann - Whitney.  Results and Discussion: NaOCl 1% has a lower dissolution capacity that improves slightly when activated. NaOCl 3% has better dissolution capacity than NaOCl 1%, but the activation does not significantly improve it. NaOCl 5% has greater dissolution capacity, which increases with activation, without significance between sonic and ultrasonic activation, which is due to the fact that the porcine palatine mucosa requires more time for its complete dissolution, since the volume of tissue used is greater than a dental pulp  Conclusions: Under the conditions of this study, only NaOCl 5% showed greater dissolution capacity with activation. NaOCl 1% and 3% did not improve significantly with activation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hipoclorito de sodio]]></kwd>
<kwd lng="es"><![CDATA[Disolución de tejidos]]></kwd>
<kwd lng="es"><![CDATA[Activación]]></kwd>
<kwd lng="en"><![CDATA[Sodium hypochlorite]]></kwd>
<kwd lng="en"><![CDATA[Tissue dissolution]]></kwd>
<kwd lng="en"><![CDATA[Activation]]></kwd>
</kwd-group>
</article-meta>
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