<?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>1817-5996</journal-id>
<journal-title><![CDATA[Revista Cubana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cuba Reumatol]]></abbrev-journal-title>
<issn>1817-5996</issn>
<publisher>
<publisher-name><![CDATA[Editorial CIMEQ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1817-59962022000400005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación del hábito de fumar con la periodontitis crónica y la artritis reumatoide]]></article-title>
<article-title xml:lang="en"><![CDATA[Association of smoking with chronic periodontitis and rheumatoid arthritis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ducosquel Serrano]]></surname>
<given-names><![CDATA[Danay]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Armas Portela]]></surname>
<given-names><![CDATA[Lourdes Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Mantecón]]></surname>
<given-names><![CDATA[Ana Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Facultad de Estomatología de La Habana Raúl González Sánchez ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Centro de Referencia de Enfermedades Reumáticas Hospital Clínico Quirúrgico 10 de Octubre]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1817-59962022000400005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1817-59962022000400005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1817-59962022000400005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Porphyromonas gingivalis es un microorganismo presente en las periodontitis, productor de la enzima peptidil arginina desminasa, inductora de la citrulinación de proteínas que convierte en antígenos, y que son reconocidos por los anticuerpos antipéptido cíclico citrulinados, marcadores específicos de la artritis reumatoide. Estudios clínicos y epidemiológicos relacionan el hábito de fumar con la periodontitis y la artritis reumatoide.  Objetivo:  Evaluar la asociación entre el hábito de fumar, la periodontitis crónica y la artritis reumatoide.  Métodos:  Se realizó un estudio observacional, analítico, de corte transversal, de casos y controles de pacientes con diagnóstico de artritis reumatoide tratados en el Centro de Reumatología y pacientes atendidos por medicina interna en el Hospital Clínico Quirúrgico 10 de octubre de La Habana, en el periodo entre septiembre del 2017 y mayo del 2019. Se estudiaron las variables edad, sexo, hábito de fumar y estado periodontal evaluado a través del índice de enfermedad periodontal de Russell y el nivel de inserción clínica. Para identificar la asociación entre variables se empleó la prueba de ji al cuadrado y el odds ratio. Se respetaron las legislaciones éticas.  Resultados:  En el estudio prevaleció el grupo de 35 a 44 años y el sexo femenino. El hábito de fumar predominó en los pacientes artríticos, con manifiesto incremento de la prevalencia y gravedad de la enfermedad periodontal.  Conclusiones: El hábito de fumar incrementó el riesgo de periodontitis crónica en ambos grupos, y con menos intensidad de riesgo en la artritis reumatoide.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Porphyromonas gingivalis is a microorganism present in periodontitis, producer of the enzyme peptidyl arginine deminase that induces citrullination of proteins, turning them into antigens, which are recognized by anti-citrullinated cyclic peptide antibodies, specific markers of rheumatoid arthritis. Clinical and epidemiological studies link smoking with periodontitis and rheumatoid arthritis.  Objective:  To evaluate the association between smoking, the presence of chronic periodontitis and rheumatoid arthritis.  Methods:  An observational, analytical, cross-sectional study of cases and controls of patients with a diagnosis of rheumatoid arthritis treated at the Rheumatology Center and patients treated by Internal Medicine in 10 de Octubre Surgical- Clinic Hospital in Havana, between September 2017 and May 2019. The variables were: age, sex, smoking habit and periodontal status evaluated through the Russell Periodontal Disease Index and Level of Clinical Insertion. For the association and relationship between variables, the chi square and the odds ratio were used. Ethical legislation was respected.  Results:  In the study the group of 35 to 44 years old and the female sex prevailed. Smoking prevailed in arthritic patients with a remarkable increase in the prevalence and severity of periodontal disease.  Conclusions:  Smoking increased the risk of chronic periodontitis in both groups with less intensity of risk in rheumatoid arthritis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estado periodontal]]></kwd>
<kwd lng="es"><![CDATA[hábito de fumar]]></kwd>
<kwd lng="es"><![CDATA[artritis reumatoide]]></kwd>
<kwd lng="en"><![CDATA[periodontal status]]></kwd>
<kwd lng="en"><![CDATA[smoking habit]]></kwd>
<kwd lng="en"><![CDATA[rheumatoid arthritis]]></kwd>
</kwd-group>
</article-meta>
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