<?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>1727-897X</journal-id>
<journal-title><![CDATA[MediSur]]></journal-title>
<abbrev-journal-title><![CDATA[Medisur]]></abbrev-journal-title>
<issn>1727-897X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Cienfuegos, Centro Provincial de Ciencias Médicas, Provincia de Cienfuegos.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1727-897X2023000601168</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Membrana de fibrina rica en plaquetas asociada al colgajo de reposición coronal tres años después]]></article-title>
<article-title xml:lang="en"><![CDATA[Platelet-rich fibrin membrane associated with the coronal replacement flap three years later]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarduy Bermúdez]]></surname>
<given-names><![CDATA[Lázaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Véliz Concepción]]></surname>
<given-names><![CDATA[Olga Lidia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Veitia Cabarrocas]]></surname>
<given-names><![CDATA[Felisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arce González]]></surname>
<given-names><![CDATA[Manuel Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eduardo Barreto Fiu]]></surname>
<given-names><![CDATA[Eligio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Felipe]]></surname>
<given-names><![CDATA[Marysol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Villa Clara.  ]]></institution>
<addr-line><![CDATA[Villa Clara ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>6</numero>
<fpage>1168</fpage>
<lpage>1178</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1727-897X2023000601168&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1727-897X2023000601168&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1727-897X2023000601168&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamento  la asociación de la membrana de fibrina rica en plaquetas con el colgajo de reposición coronal constituye una modalidad de la ingeniería de tejidos que aporta elementos regenerativos al proceso de reparación tisular.  Objetivo  evaluar la efectividad de la membrana de fibrina rica en plaquetas asociada al colgajo de reposición coronal en el tratamiento de la recesión periodontal tres años después.  Métodos  se realizó un cuasiexperimento en la facultad de Estomatología de Villa Clara, en el periodo marzo de 2017-julio de 2020, y con una población de estudio conformada por 46 pacientes portadores de recesión periodontal, quienes requerían recubrimiento radicular mediante el colgajo de reposición coronal. Se utilizó un muestreo no probabilístico intencional por criterios, y la muestra quedó conformada por 26 pacientes. Se establecieron sitios de estudio y sitios de control. Las variables estudiadas fueron: edad, sexo, largo de la recesión, clasificación de Miller, cobertura radicular, ancho y ganancia de la encía insertada, categorías de evaluación y efectividad del tratamiento.  Resultados  en el 88,68 % de los dientes ubicados en los sitios de estudio predominó la categoría de evaluación favorable. El porcentaje de efectividad a los tres años de la terapéutica fue superior en los sitios de estudio (54,71 %).  Conclusiones  se consideró más efectivo el tratamiento de la recesión periodontal con membrana de fibrina rica en plaquetas asociada al colgajo de reposición coronal a los tres años del proceder.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Foundation  the association of the platelet-rich fibrin membrane with the coronal replacement flap constitutes a modality of tissue engineering that provides regenerative elements to the tissue repair process.  Objective  to evaluate the effectiveness of the platelet-rich fibrin membrane associated with the coronal repositioning flap in the treatment of periodontal recession three years later.  Methods  a quasi-experiment was carried out at the Villa Clara Dentistry Faculty, from March 2017 to July 2020, a study population of 46 patients with periodontal recession, who required root coverage using the replacement flap coronal. Intentional non-probabilistic sampling by criteria was used, and the sample of 26 patients. Study sites and control sites were established. The studied variables were: age, sex, recession length, Miller classification, root coverage, width and gain of the attached gingiva, evaluation categories and treatment effectiveness.  Results  in 88.68% of the teeth located in the study sites, the favorable evaluation category predominated. The effectiveness percentage three years after treatment was higher in the study sites (54.71%).  Conclusions  the treatment of periodontal recession with platelet-rich fibrin membrane associated with the coronal replacement flap was considered more effective three years after the procedure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedades periodontales]]></kwd>
<kwd lng="es"><![CDATA[fibrina rica en plaquetas]]></kwd>
<kwd lng="es"><![CDATA[procedimientos quirúrgicos reparadores]]></kwd>
<kwd lng="en"><![CDATA[Periodontal diseases]]></kwd>
<kwd lng="en"><![CDATA[platelet-rich fibrin]]></kwd>
<kwd lng="en"><![CDATA[reconstructive surgical procedures]]></kwd>
</kwd-group>
</article-meta>
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