<?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>1688-9339</journal-id>
<journal-title><![CDATA[Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Odontoestomatología]]></abbrev-journal-title>
<issn>1688-9339</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Odontología - Universidad de la República]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-93392024000101233</article-id>
<article-id pub-id-type="doi">10.22592/ode2024n43e233</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Formación de biopelícula bacteriana sobre las superficies de pilares de cicatrización de PEEK y titanio]]></article-title>
<article-title xml:lang="pt"><![CDATA[Formação de biofilme bacteriano nas superfícies dos pilares de cicatrização de PEEK e titânio]]></article-title>
<article-title xml:lang="en"><![CDATA[Bacterial biofilm formation on the surface of PEEK and titanium healing abutments]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Osorio]]></surname>
<given-names><![CDATA[Jessenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Sanhueza]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luengo]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melendrez]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wendler]]></surname>
<given-names><![CDATA[Michael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Concepción Facultad de Odontología Programa de Magister en Ciencias Odontológicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Concepción Facultad de Odontología Departamento de Odontología Restauradora]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Concepción Facultad de Odontología Departamento de Prevención y Salud Pública]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad San Sebastián, Campus Las Tres Pascualas Facultad de Ciencias para el Cuidado de la Salud ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</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>26</volume>
<numero>43</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-93392024000101233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-93392024000101233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-93392024000101233&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivos. Explorar el efecto de las características de superficie sobre el volumen total y la viabilidad de la biopelícula formada sobre pilares de cicatrización de PEEK y titanio.  Métodos. Los parámetros de rugosidad (S a y S k) y la energía superficial de pilares de cicatrización de PEEK y titanio (n=3) fueron determinados mediante microscopía confocal láser de barrido (CLSM) y ángulo de contacto, respectivamente. Se determinó luego el volumen total y la viabilidad de una biopelícula bacteriana multiespecie cultivada por 30 días, mediante CLSM y el reactivo LIVE/DEAD Kit BacLight. El tamaño del efecto se determinó mediante d de Cohen.  Resultados. Los pilares de PEEK mostraron una mayor rugosidad que los de titanio (S a 0,41 µm vs 0,17 µm), pero no se observaron diferencias en la energía superficial. Si bien el volumen total de biopelícula fue mayor en titanio que en PEEK (696 µm3 vs 419 µm3), no hubo diferencias en la proporción de bacterias vivas entre ambos materiales.  Conclusiones. La viabilidad de la biopelícula bacteriana formada no guarda relación directa con las características superficiales de pilares de cicatrización de PEEK y titanio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivo. Explorar o efeito das características da superfície no volume total e viabilidade do biofilme formado em PEEK e pilares de cicatrização de titânio.  Métodos. Parâmetros de rugosidade (S a e S k) e energia de superfície de PEEK e pilares de titânio (n = 3) foram determinados por microscopia confocal de varredura a laser (CLSM) e ângulo de contato, respectivamente. O volume total e a viabilidade de um biofilme bacteriano multiespécie cultivado por 30 dias foram então determinados usando CLSM e o reagente LIVE/DEAD Kit BacLight. O tamanho do efeito foi determinado usando o d de Cohen.  Resultados. Os pilares de PEEK mostraram maior rugosidade do que os de titânio (S a 0,41 µm vs 0,17 µm), mas não foram observadas diferenças na energia de superfície. Embora o volume total de biofilme tenha sido maior no titânio do que no PEEK (696 µm3 vs 419 µm3), não houve diferenças na proporção de bactérias vivas entre os dois materiais.  Conclusões. A viabilidade do biofilme bacteriano formado não está diretamente relacionada às características da superfície dos pilares de cicatrização de PEEK e titânio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives . To explore the effect of surface characteristics on the total volume and viability of a bacterial biofilm developed on the surface of PEEK and titanium healing abutments.  Methods. Surface parameters S a and S k, as well as the surface energy of PEEK and titanium healing abutments (n=3) were determined using confocal laser scanning microscopy (CLSM) and contact angle, respectively. The total volume and viability of a multispecies bacterial biofilm cultivated for 30 days were determined using CLSM and the LIVE/DEAD BacLight reactive kit. Effect size was determined using Cohen&#8217;s d.  Results. PEEK healing abutments displayed a higher surface roughness than titanium (S a 0.41 µm vs 0.17 µm), although no differences in surface energy were observed. Despite the higher total volume of the biofilm measured on titanium abutments compared to PEEK (696 µm3 vs 419 µm3), no differences in the live/dead bacterial ratio were observed.  Conclusions. Bacterial viability of the biofilm did not show a direct relation to the surface characteristics of PEEK and titanium healing abutments.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[(MeSH]]></kwd>
<kwd lng="es"><![CDATA[DeCS)]]></kwd>
<kwd lng="es"><![CDATA[pilar dental]]></kwd>
<kwd lng="es"><![CDATA[titanio]]></kwd>
<kwd lng="es"><![CDATA[PEEK]]></kwd>
<kwd lng="es"><![CDATA[biopelículas]]></kwd>
<kwd lng="es"><![CDATA[viabilidad microbiana]]></kwd>
<kwd lng="pt"><![CDATA[(MeSH]]></kwd>
<kwd lng="pt"><![CDATA[DeCS)]]></kwd>
<kwd lng="pt"><![CDATA[pilar dentário]]></kwd>
<kwd lng="pt"><![CDATA[titânio]]></kwd>
<kwd lng="pt"><![CDATA[PEEK]]></kwd>
<kwd lng="pt"><![CDATA[biofilmes]]></kwd>
<kwd lng="pt"><![CDATA[viabilidade microbiana]]></kwd>
<kwd lng="en"><![CDATA[dental abutment]]></kwd>
<kwd lng="en"><![CDATA[titanium]]></kwd>
<kwd lng="en"><![CDATA[PEEK]]></kwd>
<kwd lng="en"><![CDATA[biofilms]]></kwd>
<kwd lng="en"><![CDATA[microbial viability]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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