<?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>S0034-75072021000300008</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effects of phytochemical extracts on smear layer removal in root canal treatment]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto de los extractos fitoquímicos en la eliminación del barro dentinario en el tratamiento de conductos radiculares]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira Otoni]]></surname>
<given-names><![CDATA[Rejane]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho de Oliveira Santos]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kennedy Barroso]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rabelo Fonseca]]></surname>
<given-names><![CDATA[Julia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva de Rezende]]></surname>
<given-names><![CDATA[Vanessa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca-Silva]]></surname>
<given-names><![CDATA[Thiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal dos Vales do Jequitinhonha e Mucuri School of Biological and Health Sciences Department of Dentistry. Diamantina]]></institution>
<addr-line><![CDATA[ MG]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>58</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072021000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072021000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072021000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Studies suggested that phytochemical products are considered potential solutions to smear layer removal due to their biological safety in cleaning root canal systems, lower toxicity, lower irritant effect and antimicrobial effect.  Objective:  The aim of the present study was to perform a systematic review to evaluate smear layer removal of root canal systems by different natural product solutions.  Methods:  systematic review. Search of the literature was performed on Pubmed, Scopus, Cochrane, Web of Science, Scielo and Google Scholar according the PRISMA protocol. Studies were included if they performed the experiments of smear layer removal on extracted permanent human teeth. Articles published in any language without restriction of year of publication were included in this review. The risk of bias assessment in the included studies was evaluated using the Joanna Briggs Institute Critical Appraisal Checklist for Quasi-Experimental Studies. The search strategy resulted in the retrieval of 6221 publications. After the eligibility criteria application, 8 articles were selected for analysis.  Results:  It was observed that some natural products solutions showed effects on smear layer removal, especially on coronal third. The phytochemical products such as Salvadora persica, chamomile alcohol extract and grape seed extract demonstrated good potential of smear layer removal, however, its effectiveness and clinical applicability are still unclear.  Conclusions: Although the limitations of this study, it is possible to highlight those phytochemical products such as Salvadora persica, chamomile alcohol extract and grape seed extract that demonstrated good potential on SL removal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los productos fitoquímicos se consideran soluciones potenciales para la eliminación del barro dentinario debido a su seguridad biológica en la limpieza del sistema de conductos radiculares, menor toxicidad, menor efecto irritante y efecto antimicrobiano.  Objetivo:  Evaluar la eliminación del barro dentinario de los sistemas de conductos radiculares mediante diferentes soluciones de productos naturales.  Métodos:  La búsqueda de la literatura se realizó en Pubmed, Scopus, Cochrane, Web of Science, SciELO y Google Scholar, según el protocolo PRISMA. Los estudios se incluyeron si realizaron los experimentos de eliminación del barro dentinario en dientes humanos permanentes extraídos. En esta revisión se incluyeron artículos publicados en cualquier idioma, sin restricción de año de publicación. La evaluación del riesgo de sesgo en los estudios incluidos se evaluó mediante la lista de verificación de evaluación crítica del Instituto Joanna Briggs para estudios cuasiexperimentales. La estrategia de búsqueda resultó en la recuperación de 6221 publicaciones. Después de la aplicación de los criterios de elegibilidad, se seleccionaron 8 artículos para su análisis.  Resultados:  Se observó que algunas soluciones de productos naturales mostraron efectos sobre la eliminación del barro dentinario, especialmente en el tercio coronal. Los productos fitoquímicos como salvadora pérsica, extracto de alcohol de manzanilla y extracto de semilla de uva demostraron un buen potencial de eliminación del barro dentinario; sin embargo, su efectividad y aplicabilidad clínica aún no están claras.  Conclusiones: A pesar de las limitaciones de este estudio, es posible destacar aquellos productos fitoquímicos como salvadora pérsica, extracto de alcohol de manzanilla y extracto de semilla de uva demostraron buen potencial de eliminación del barro dentinario.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Endodontics]]></kwd>
<kwd lng="en"><![CDATA[Natural products]]></kwd>
<kwd lng="en"><![CDATA[Phytotherapy]]></kwd>
<kwd lng="en"><![CDATA[Root Canal Irrigants]]></kwd>
<kwd lng="es"><![CDATA[endodoncia]]></kwd>
<kwd lng="es"><![CDATA[productos naturales]]></kwd>
<kwd lng="es"><![CDATA[fitoterapia]]></kwd>
<kwd lng="es"><![CDATA[irrigantes del conducto radicular]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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