<?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>1657-9534</journal-id>
<journal-title><![CDATA[Colombia Médica]]></journal-title>
<abbrev-journal-title><![CDATA[Colomb. Med.]]></abbrev-journal-title>
<issn>1657-9534</issn>
<publisher>
<publisher-name><![CDATA[Universidad del Valle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1657-95342021000300011</article-id>
<article-id pub-id-type="doi">10.25100/cm.v52i3.5051</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effects of nonsurgical periodontal therapy in patients with rheumatoid arthritis: a prospective before and after study]]></article-title>
<article-title xml:lang="es"><![CDATA[Efectos de la terapia periodontal no quirúrgica en pacientes con artritis reumatoide: estudio prospectivo de antes y después]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Botero]]></surname>
<given-names><![CDATA[Javier Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Posada-López]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Vallejo]]></surname>
<given-names><![CDATA[Jimi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-Tamayo]]></surname>
<given-names><![CDATA[Ricardo Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedoya-Giraldo]]></surname>
<given-names><![CDATA[Emilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Artmédica, IPS Grupo de información clínica ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</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>52</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1657-95342021000300011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1657-95342021000300011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1657-95342021000300011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: periodontal therapy has been suggested to have systemic effects. However, studies of periodontal therapy in rheumatoid arthritis patients have produced controversial results.  Aim: To compare the effects of nonsurgical periodontal therapy on biochemical markers of rheumatoid arthritis and periodontal parameters in patients with and without rheumatoid arthritis.  Methods:  a prospective before-and-after study was conducted that included 21 participants without and 29 participants with rheumatoid arthritis. Periodontal parameters, Porphyromonas gingivalis detection, C-reactive protein, rheumatoid factor and anti-citrullinated protein antibodies were measured at baseline and three months after nonsurgical periodontal therapy and the changes were statistically assessed.  Results:  In general, both groups presented statistically significant improvement in periodontal parameters (p&lt;0.05). There was an increase in the counts of P. gingivalis in both groups at three months. In addition, there was a reduction in levels of anti-citrullinated protein antibodies and rheumatoid factor in participants with rheumatoid arthritis. In contrast, C-reactive protein levels increased in both groups but were higher in the rheumatoid arthritis group. Periodontal parameters in rheumatoid arthritis participants under disease-modifying antirheumatic drugs presented a slightly higher improvement (p &lt;0.05).  Conclusions:  Nonsurgical periodontal therapy has similar improvements in periodontal parameters in patients with and without rheumatoid arthritis. In addition, nonsurgical periodontal therapy may benefit serum levels of anti-citrullinated protein antibodies and rheumatoid factors in patients with rheumatoid arthritis. NCT04658615.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes:  se ha sugerido que la terapia periodontal tiene efectos sistémicos. Sin embargo, los estudios de la terapia periodontal en pacientes con artritis reumatoide han producido resultados controvertidos.  Objetivo:  comparar los efectos de la terapia periodontal no quirúrgica sobre los marcadores bioquímicos de la artritis reumatoide y los parámetros periodontales en pacientes con y sin artritis reumatoide.  Métodos:  se realizó un estudio prospectivo de antes y después que incluyó a 21 participantes sin artritis reumatoide y 29 participantes con artritis reumatoide. Se midieron los parámetros periodontales, detección de Porphyromonas gingivalis, proteína C reactiva, factor reumatoide y anticuerpos anti-proteína citrulinada al inicio del estudio y tres meses después de la terapia periodontal no quirúrgica y los cambios se evaluaron estadísticamente.  Resultados:  En general, ambos grupos presentaron mejoría estadísticamente significativa en los parámetros periodontales (p &lt;0.05). Hubo un aumento en los recuentos de P. gingivalis en ambos grupos a los tres meses. Además, hubo una reducción en los niveles de anticuerpos anti-proteína citrulinada y factor reumatoide en participantes con artritis reumatoide. Por el contrario, los niveles de proteína C reactiva aumentaron en ambos grupos, pero fueron más altos en el grupo de artritis reumatoide. Los parámetros periodontales en los participantes con artritis reumatoide bajo fármacos antirreumáticos modificadores de la enfermedad presentaron una mejoría ligeramente mayor (p &lt;0.05).  Conclusiones:  La terapia periodontal no quirúrgica tiene mejoras similares en los parámetros periodontales en pacientes con y sin artritis reumatoide. Además, la terapia periodontal no quirúrgica puede beneficiar los niveles séricos de anticuerpos anti-proteína citrulinada y factor reumatoide en pacientes con artritis reumatoide. NCT04658615.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[rheumatoid arthritis]]></kwd>
<kwd lng="en"><![CDATA[periodontitis]]></kwd>
<kwd lng="en"><![CDATA[C-reactive protein]]></kwd>
<kwd lng="en"><![CDATA[rheumatoid factor]]></kwd>
<kwd lng="en"><![CDATA[anti-citrullinated protein antibodies]]></kwd>
<kwd lng="en"><![CDATA[periodontal debridement]]></kwd>
<kwd lng="en"><![CDATA[dysbiosis]]></kwd>
<kwd lng="es"><![CDATA[artritis reumatoide]]></kwd>
<kwd lng="es"><![CDATA[periodontitis]]></kwd>
<kwd lng="es"><![CDATA[proteína C reactiva]]></kwd>
<kwd lng="es"><![CDATA[factor reumatoide]]></kwd>
<kwd lng="es"><![CDATA[anticuerpos anti-proteína citrulinada]]></kwd>
<kwd lng="es"><![CDATA[debridamiento periodontal]]></kwd>
<kwd lng="es"><![CDATA[disbiosis]]></kwd>
</kwd-group>
</article-meta>
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