<?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>0213-1285</journal-id>
<journal-title><![CDATA[Avances en Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Av Odontoestomatol]]></abbrev-journal-title>
<issn>0213-1285</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Avances, S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0213-12852020000200005</article-id>
<article-id pub-id-type="doi">10.4321/s0213-12852020000200005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El efecto de la fatiga cíclica sobre los pilares de implantes dentales]]></article-title>
<article-title xml:lang="en"><![CDATA[The effect of the cyclic fatigue in dental implant abutments]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Haidar Wehbe]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matos Garrido]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayllón Guerola]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Muñoz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez Márquez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velasco Ortega]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sevilla  ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sevilla Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Sevilla Escuela Superior de Ingenieros Industriales Departamento de Ingeniería Mecánica]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Sevilla Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>89</fpage>
<lpage>97</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0213-12852020000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0213-12852020000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0213-12852020000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La conexión implante-pilar ha sido sugerida como crucial para el éxito a largo plazo de las restauraciónes sobre implantes oseointegración y para prevenir futuras complicaciónes biológicas y mecánicas. El objetivo de este estudio fué evaluar la influencia del test de fatiga cíclica en el comportamiento de las conexiones internas implante-pilar.  Métodos: 36 pilares mutiposición de implantes de titanio de conexión interna fueron divididos en 2 grupos: 18 pilares slim o curvos y 10 pilares rectos con diferentes alturas. Los pilares fueron apretados con una llave de torque a 30 Ncm. Una carga cíclica entre 175 N y 100 N fué aplicada con 30º de inclinación axial al sistema de implantes durante 5 millones de ciclos.  Resultados: Los tests biomecánicos muestran una fractura de los implantes y de los tornillos de retención a una carga límite de 100 N de los pilares slim curvos y de 130 N en los pilares rectos. La fracturas aparecieron en la zona de unión entre el cuello y el cuerpo del implante y en los tornillos protéscios. No se han encontrado fracturas en los pilares multiposición.  Conclusiones: Este estudio indican que los tests de fatiga cíclica son importantes para analizar la respuesta biomecánica de los diferentes pilares en las conexiones implante-pilar de los sistemas de implantes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: The connection implant-abutment has been suggested to be crucial for the long-term success of implant restorations and to prevent future biological and mechanic complications. The aim of this study was to evaluate the influence of fatigue cyclic test in the behavior of internal connection implant-abutments.  Methods: Thirty six titanium abutments of internal connection implants were divided in two groups: 18 slim and 18 right multiunit abutments with different length. Abutments were tightened to 30 Ncm with a torque controller. A cyclic load between 175 N and 100 N according to different implant abutments at a 30-degree angle to the long axis was applied to the implants for a 5 million cycles.  Results: Biomechanical testing showed implant and screw retention fracture in a limit load of 100 N of slim implant abutments and 130 N of right implant abutments. Fracture cracks were located in the area between neck and body of implants and screw retention. No abutment fractures were found.  Conclusions: This study indicate that fatigue cyclic test are very important to analize the biomechanical behavior of different abutments in connection implant-abutment of implants systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Implantes dentales]]></kwd>
<kwd lng="es"><![CDATA[Conexión implant-pilar]]></kwd>
<kwd lng="es"><![CDATA[Carga cíclica]]></kwd>
<kwd lng="es"><![CDATA[Test de fatiga]]></kwd>
<kwd lng="es"><![CDATA[Biomecánica]]></kwd>
<kwd lng="es"><![CDATA[Implantología oral]]></kwd>
<kwd lng="en"><![CDATA[Dental implants]]></kwd>
<kwd lng="en"><![CDATA[Implant-abutment connection]]></kwd>
<kwd lng="en"><![CDATA[Cyclic loading]]></kwd>
<kwd lng="en"><![CDATA[Fatigue test]]></kwd>
<kwd lng="en"><![CDATA[Biomechanics]]></kwd>
<kwd lng="en"><![CDATA[Implant dentistry]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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