<?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>1996-3521</journal-id>
<journal-title><![CDATA[Infodir]]></journal-title>
<abbrev-journal-title><![CDATA[Infodir]]></abbrev-journal-title>
<issn>1996-3521</issn>
<publisher>
<publisher-name><![CDATA[Editorial de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1996-35212023000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectividad del tratamiento de endodoncia en una sesión en dientes permanentes con necrosis pulpar]]></article-title>
<article-title xml:lang="en"><![CDATA[Effectiveness of one-session endodontic treatment in permanent teeth with pulp necrosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima Álvarez]]></surname>
<given-names><![CDATA[Lorenzo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grau León]]></surname>
<given-names><![CDATA[Ileana Bárbara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Rojas]]></surname>
<given-names><![CDATA[Ángela Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Machado]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Facultad de Estomatología ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Clínico Quirúrgico Hermanos Ameijeiras  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<numero>40</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1996-35212023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1996-35212023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1996-35212023000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Cuando la pulpa se altera por enfermedades inflamatorias degenerativas se produce lo que se conoce como necrosis pulpar. Las causas principales son caries que no se tratan, traumatismos y múltiples tratamientos invasivos en un diente.  Objetivo:  Evaluar la efectividad y costos del tratamiento de endodoncia en una sesión en dientes permanentes con diagnóstico de necrosis pulpar.  Métodos:  Se realizó un estudio observacional descriptivo prospectivo en la Facultad de Estomatología desde enero de 2016 hasta diciembre del 2020, que incluyó la evaluación de la efectividad de la técnica de endodoncia convencional en una sesión comparada con la técnica desarrollada en varias sesiones y una evaluación económica del tratamiento. Las variables estudiadas fueron demográficas, clínicas, relacionadas con la técnica empleada y de resultados.  Resultados:  En el 92,5 % de los pacientes tratados en una sesión resultó efectivo el tratamiento, no presentó dolor posoperatorio el 81,0 %, y el 90,5 % no presentó signos de inflamación. El 19,0 % de los pacientes presentaron dolor posoperatorio con predominio del dolor de intensidad leve. El costo se incrementó en un 85 % para dos sesiones de tratamiento y para tres sesiones o más fue de un 160 %.  Conclusiones:  La endodoncia convencional es efectiva para el tratamiento de dientes permanentes con diagnóstico de necrosis pulpar, independiente del número de sesiones; pero los costos son menores cuando se emplea una sola sesión.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  When the pulp is altered by inflammatory degenerative diseases, what is known as pulp necrosis occurs. The main causes are untreated caries, trauma and multiple invasive treatments on a tooth.  Objective:  To evaluate the effectiveness and costs of one-session endodontic treatment in permanent teeth diagnosed with pulp necrosis.  Methods:  A prospective descriptive observational study was carried out at the Faculty of Stomatology from January 2016 to December 2020, which included the evaluation of the effectiveness of the conventional endodontic technique in one session compared with the technique developed in several sessions and an economic evaluation of the treatment. The variables studied were demographic, clinical, technique-related and outcome variables.  Results:  92.5 % of the patients treated in one session had effective treatment, 81.0 % had no postoperative pain, and 90.5 % had no signs of inflammation. Postoperative pain with predominantly mild pain intensity occurred in 19.0 % of the patients. The cost increased by 85 % for two treatment sessions and for three sessions or more it was 160 %.  Conclusions:  Conventional endodontics is effective for the treatment of permanent teeth with a diagnosis of pulp necrosis, independent of the number of sessions; but costs are lower when a single session is used.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[efectividad]]></kwd>
<kwd lng="es"><![CDATA[necrosis pulpar]]></kwd>
<kwd lng="es"><![CDATA[endodoncia en una sesión]]></kwd>
<kwd lng="es"><![CDATA[dolor posoperatorio]]></kwd>
<kwd lng="en"><![CDATA[effectiveness]]></kwd>
<kwd lng="en"><![CDATA[pulp necrosis]]></kwd>
<kwd lng="en"><![CDATA[single-session endodontics]]></kwd>
<kwd lng="en"><![CDATA[postoperative pain]]></kwd>
</kwd-group>
</article-meta>
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