<?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>0034-7507</journal-id>
<journal-title><![CDATA[Revista Cubana de Estomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Estomatol]]></abbrev-journal-title>
<issn>0034-7507</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75072024000100002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de conductos en C de segundos molares mandibulares evaluados en tomografía de haz cónico]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of C-ducts of Mandibular Second Molars Evaluated on Cone Beam Tomography]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Córdova]]></surname>
<given-names><![CDATA[Rosa Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León Ruidías]]></surname>
<given-names><![CDATA[Natalia Antuané]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza Salcedo]]></surname>
<given-names><![CDATA[Alexander Roger]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Plasencia]]></surname>
<given-names><![CDATA[Paul Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad César Vallejo Piura Facultad de Ciencias de la Salud Escuela Profesional de Estomatología]]></institution>
<addr-line><![CDATA[Piura ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>61</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072024000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072024000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072024000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El conocimiento adecuado de la configuración de conductos radiculares es fundamental en endodoncia; la evaluación tomográfica permite una correcta evaluación de su disposición radicular.  Objetivo:  Determinar la prevalencia de conductos en C de segundos molares mandibulares, evaluados en tomografía de haz cónico.  Métodos:  Se realizó un estudio descriptivo y de corte transversal; la muestra estuvo conformada por 200 segundos molares mandibulares permanentes de una población peruana, observadas en tomografías cone beam, donde se registró la presencia del conducto en C, su configuración según la clasificación de Fan y el sexo del paciente.  Resultados:  La prevalencia de la configuración radicular en forma de C en segundos molares inferiores fue del 65,5 %; según la Clasificación de Fan se observó mayor prevalencia en el tercio cervical del conducto radicular el tipo C1 con 85,7 %; en el tercio medio el tipo C2 con 42,9 %; a nivel apical fue el tipo C3C con 72,1 %; según el sexo, el 65,2 % de los conductos en C correspondió al femenino.  Conclusión:  La prevalencia de los conductos en C de los segundos molares mandibulares evaluados en tomografías de haz cónico fue de 65,5 % con mayor predominio en el sexo femenino. La evaluación tomográfica permite una mejor identificación y configuración interna de los conductos radiculares.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Adequate knowledge of the configuration of root canals is fundamental in endodontics; tomographic evaluation allows a correct assessment of their radicular arrangement.  Objective: To determine the prevalence of C-shaped canals in mandibular second molars, evaluated by cone beam tomography.  Methods:  A descriptive and cross-sectional study was carried out; the sample consisted of 200 permanent mandibular second molars from a Peruvian population, observed in cone beam tomography, where the presence of the C-shaped canal, its configuration according to Fan's classification and the patient's gender were recorded.  Results:  The prevalence of the C-shaped root canal configuration in lower second molars was 65.5%; according to the Fan classification, the highest prevalence was observed in the cervical third of the root canal, type C1 with 85.7%; in the middle third, type C2 with 42.9%; at the apical level it was type C3C with 72.1%; according to gender, 65.2% of the C-shaped canals corresponded to females.  Conclusion:  The prevalence of C-shaped canals in mandibular second molars evaluated in cone beam tomography was 65.5% with a higher predominance in the female gender. The tomographic evaluation allows a better identification and internal configuration of the root canals.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[conducto radicular]]></kwd>
<kwd lng="es"><![CDATA[tomografía computarizada de haz cónico]]></kwd>
<kwd lng="es"><![CDATA[endodoncia]]></kwd>
<kwd lng="es"><![CDATA[molares]]></kwd>
<kwd lng="es"><![CDATA[mandibulares]]></kwd>
<kwd lng="en"><![CDATA[root canal]]></kwd>
<kwd lng="en"><![CDATA[cone beam computed tomography]]></kwd>
<kwd lng="en"><![CDATA[endodontics]]></kwd>
<kwd lng="en"><![CDATA[molars]]></kwd>
<kwd lng="en"><![CDATA[mandibular]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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