<?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>1028-9933</journal-id>
<journal-title><![CDATA[Revista Información Científica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. inf. cient.]]></abbrev-journal-title>
<issn>1028-9933</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas Guantánamo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1028-99332022000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectividad de la regeneración tisular guiada en lesiones de furcación dentarias mandibulares]]></article-title>
<article-title xml:lang="en"><![CDATA[The effect of guided tissue regeneration in mandibular dental furcation lesions]]></article-title>
<article-title xml:lang="pt"><![CDATA[Eficácia da regeneração tecidual guiada em lesões de furca dentária mandibular]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Clavería-Clark]]></surname>
<given-names><![CDATA[Rafael Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña-Sisto]]></surname>
<given-names><![CDATA[Maritza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Reyes]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón-Chaveco]]></surname>
<given-names><![CDATA[Hiromi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lescay-Arias]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica Estomatológica Provincial &#8220;Mártires del Moncada&#8221;  ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Docente "Dr. Juan Bruno Zayas Alfonso"  ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de Santiago de Cuba  ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Provincial de Higiene, Epidemiología y Microbiología  ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>101</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1028-99332022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1028-99332022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1028-99332022000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La lesión de furcación se define como la reabsorción patológica del hueso interradicular, con la consiguiente exposición de la furca, el aumento del riesgo de pérdida ósea y la aparición de defectos óseos difíciles de tratar, los que pueden mejorar con el uso de membranas a través de la regeneración tisular guiada.  Objetivo: Determinar la efectividad de la regeneración tisular guiada en lesiones de furca dentarias mandibulares en la Clínica Estomatológica Provincial &#8220;Mártires del Moncada&#8221;, de Santiago de Cuba, durante el periodo septiembre de 2018 a diciembre de 2019.  Método: Se realizó un estudio cuasi-experimental de intervención terapéutica con una muestra de 20 pacientes con lesiones de furca mandibulares, seleccionados por muestreo no probabilístico intencional. Se conformaron 2 grupos aleatorios por orden de llegada de 10 pacientes cada uno. Un grupo estudio recibió la terapia regenerativa y un grupo control fue tratado de forma convencional. Ambos, cumplieron con el criterio diagnóstico y fueron examinados antes y después de los tratamientos a los 6 meses y al año.  Resultados: Al evaluar al año de tratamiento, en el grupo I, el sangrado desapareció y la profundidad al sondaje disminuyó al menos 1 mm en el 100% de los casos, la ganancia de inserción tipo I se logró en el 60% de ellos, con marcada superioridad sobre el grupo control.  Conclusiones: El tratamiento con regeneración tisular guiada demuestra ser efectivo en los pacientes tratados con lesión de furcación a diferencia del tratamiento convencional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The furcation lesion is defined as a pathological resorption of the interradicular bone, with the consequent exposure of the furcation, increased risk of bone loss and the onset of difficult-to-treat bone defects, which can be improved with the use of membranes through guided tissue regeneration.  Objective:  To determine the effectiveness of guided tissue regeneration in mandibular dental furcation lesions at the Clínica Estomatológica Provincial &#8220;Mártires del Moncada&#8221; in Santiago de Cuba, from Septembre 2018 to December 2019.  Method:  A quasi-experimental study of therapeutic intervention was carried out with a sample of 20 patients with mandibular furcation lesions and selected by non-probabilistic purposive sampling. One cluster (study group) received regenerative therapy and the other cluster (control group) was treated conventionally. Both met the diagnostic criteria and were examined before and after the treatments (6 months after treatment and 1 year after treatment).  Results:  after assessed the year of treatment, in group I (study group), bleeding disappeared and probing depth decreased by at least 1 mm in 100% of the cases, type I insertion gain was achieved in 60% of them, with a marked superiority in the control group.  Conclusions:  Treatment with guided tissue regeneration has been shown to be effective in patients treated with furcation lesions in contrast to conventional treatment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO  Introdução:  A lesão de furca é definida como a reabsorção patológica do osso interradicular, com a conseqüente exposição da furca, aumento do risco de perda óssea e aparecimento de defeitos ósseos de difícil tratamento, que podem melhorar com o uso de membranas através da regeneração tecidual guiada.  Objetivo:  Determinar a eficácia da regeneração tecidual guiada em lesões de furca dentária mandibular na Clínica Estomatológica Provincial &#8220;Mártires del Moncada&#8221;, Santiago de Cuba, durante o período de setembro de 2018 a dezembro de 2019.  Método:  Foi realizado um quasi-estudo experimental de intervenção terapêutica com amostra de 20 pacientes com lesões de furca mandibular, selecionados por amostragem não probabilística intencional. 2 grupos randomizados foram formados em ordem de chegada de 10 pacientes cada. Um grupo de estudo recebeu terapia regenerativa e um grupo controle foi tratado de forma convencional. Ambos preencheram os critérios diagnósticos e foram examinados antes e depois dos tratamentos aos 6 meses e 1 ano.  Resultados:  Ao avaliar um ano de tratamento, no grupo I, o sangramento desapareceu e a profundidade de sondagem diminuiu em pelo menos 1 mm em 100% dos casos, o ganho de inserção tipo I foi alcançado em 60% deles, com acentuada superioridade sobre o grupo de controle.  Conclusões:  O tratamento com regeneração tecidual guiada mostra-se eficaz em pacientes tratados com lesão de furca, ao contrário do tratamento convencional.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[regeneración tisular guiada]]></kwd>
<kwd lng="es"><![CDATA[periodontitis]]></kwd>
<kwd lng="es"><![CDATA[furcación]]></kwd>
<kwd lng="es"><![CDATA[regeneración ósea]]></kwd>
<kwd lng="en"><![CDATA[guided tissue regeneration]]></kwd>
<kwd lng="en"><![CDATA[periodontitis]]></kwd>
<kwd lng="en"><![CDATA[furcation]]></kwd>
<kwd lng="en"><![CDATA[bone regeneration]]></kwd>
<kwd lng="pt"><![CDATA[regeneração tecidual guiada]]></kwd>
<kwd lng="pt"><![CDATA[periodontite]]></kwd>
<kwd lng="pt"><![CDATA[bifurcação]]></kwd>
<kwd lng="pt"><![CDATA[regeneração ósea]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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