<?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>S0034-75072024000100009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la fuerza de unión de sistemas adhesivos universales previa aplicación de clorhexidina al 2 %]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of the Bond Strength of Universal Adhesive Systems after Application of 2% Chlorhexidine]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Llashag Bello]]></surname>
<given-names><![CDATA[Maria Piedad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidalón Pinto]]></surname>
<given-names><![CDATA[Marcia Edith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Científica del Sur Facultad de Estomatología ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Científica del Sur Facultad de Ciencias de la Vida y Salud Carrera de Estomatología]]></institution>
<addr-line><![CDATA[Lima ]]></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=S0034-75072024000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072024000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072024000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La influencia de la clorhexidina sobre la fuerza de unión de los sistemas adhesivos es aún muy controversial.  Objetivo:  Determinar la fuerza de unión de dos adhesivos universales en dentina previa aplicación de la clorhexidina al 2 % en tiempos de aplicación diferentes.  Métodos: Se empleó treinta incisivos y se desgastó la superficie vestibular para exponer la dentina. Posteriormente, se dividió aleatoriamente en seis grupos (n = 5). Se emplearon los adhesivos Single Bond Universal (SBU) y All-Bond Universal (ABU) con/sin clorhexidina. Grupo SBU-0: Single Bond Universal; Grupo SBU-30: clorhexidina por 30 segundos + Single Bond Universal; Grupo SBU-60: clorhexidina por 60 segundos + Single Bond Universal; Grupo ABU-0: All-Bond Universal; Grupo ABU-30: clorhexidina por 30 segundos + All-Bond Universal y Grupo ABU-60: clorhexidina por 60 segundos + All-Bond Universal. La resistencia adhesiva se analizó mediante ANOVA mixto de dos factores y post hoc de Tukey (p &lt; 0,05).  Resultados: La fuerza de unión para el grupo SBU-60 aumentó significativamente respecto al grupo control (p = 0,032). Igualmente, para los grupos ABU-30 y ABU-60, la fuerza de unión aumentó significativamente respecto al grupo control (p = 0,001) y (p = 0,000), respectivamente.  Conclusión: La aplicación previa de clorhexidina al 2 % durante 60 segundos aumenta la fuerza de unión de los sistemas adhesivos Single Bond Universal y All-Bond Universal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The influence of chlorhexidine on the bond strength of adhesive systems is still very controversial.  Objective:  To determine the bond strength of two universal adhesives on dentin after application of 2% chlorhexidine at different application times.  Methods:  Thirty incisors were used and the vestibular surface was abraded to expose the dentin. Subsequently, they were randomly divided into six groups (n = 5). Single Bond Universal (SBU) and All-Bond Universal (ABU) adhesives with/without chlorhexidine were used. Group SBU-0: Single Bond Universal; Group SBU-30: chlorhexidine for 30 seconds + Single Bond Universal; Group SBU-60: chlorhexidine for 60 seconds + Single Bond Universal; Group ABU-0: All-Bond Universal; Group ABU-30: chlorhexidine for 30 seconds + All-Bond Universal and Group ABU-60: chlorhexidine for 60 seconds + All-Bond Universal. Adhesive strength was analyzed by two-factor mixed ANOVA and Tukey's post hoc (p &lt; 0.05).  Results:  The bond strength for the SBU-60 group increased significantly with respect to the control group (p = 0.032). Similarly, for the ABU-30 and ABU-60 groups, the bond strength increased significantly with respect to the control group (p = 0.001) and (p = 0.000), respectively.  Conclusion:  Pre-application of 2% chlorhexidine for 60 seconds increases the bond strength of Single Bond Universal and All-Bond Universal adhesive systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adhesivo universal]]></kwd>
<kwd lng="es"><![CDATA[clorhexidina]]></kwd>
<kwd lng="es"><![CDATA[fuerza de unión en la dentina]]></kwd>
<kwd lng="en"><![CDATA[universal adhesive]]></kwd>
<kwd lng="en"><![CDATA[chlorhexidine]]></kwd>
<kwd lng="en"><![CDATA[bond strength in dentin]]></kwd>
</kwd-group>
</article-meta>
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