<?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>1870-199X</journal-id>
<journal-title><![CDATA[Revista odontológica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Odont. Mex]]></abbrev-journal-title>
<issn>1870-199X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Odontología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-199X2017000400267</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Presentación inusual de osteonecrosis maxilar con invasión a seno. Caso clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Presentation of unusual maxillary osteonecrosis case with sinus invasion. Clinical case]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocampo García]]></surname>
<given-names><![CDATA[Karla Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrera Franco]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles Basilio]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Villafaña]]></surname>
<given-names><![CDATA[Analy Liduvina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Delgado]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro Oncológico Estatal ISSEMyM ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>21</volume>
<numero>4</numero>
<fpage>267</fpage>
<lpage>272</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-199X2017000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-199X2017000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-199X2017000400267&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La osteonecrosis en los maxilares asociada al uso de los bisfosfonatos es una entidad escrita en el 78% de los casos en la mandíbula aquí presentamos el caso de una paciente con cáncer de mama metastásico a hueso que cursó con osteonecrosis maxilar que invadía a seno. A la solicitud de estudios de imagen rutinarios se identificó lesión en seno maxilar derecho que confirmaba la sospecha clínica. La lesión fue abordada y extirpada quirúrgicamente con hemimaxilectomía de infraestructura, la persistencia de comunicación oroantral fue rehabilitada con un obturador maxilar, lo que permitió buen control de la lesión, evitando la progresión de la misma.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Maxillary osteonecrosis associated to biphosphonate use is an entity found in the mandible in 78% of all described cases. The present article presents the case of a female patient with breast cancer with bone metastasis, afflicted with maxillary osteonecrosis with sinus invasion. Routine imaging studies revealed a lesion in the right maxillary sinus which confirmed clinical suspicion. Lesion was surgically approached and removed with infrastructure hemimaxilectomy; oral-antral communication persistence was rehabilitated with a maxillary shutter. This allowed suitable control of the lesion and avoided its progression.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Osteonecrosis]]></kwd>
<kwd lng="es"><![CDATA[seno maxilar]]></kwd>
<kwd lng="es"><![CDATA[bisfosfonatos]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="en"><![CDATA[Osteonecrosis]]></kwd>
<kwd lng="en"><![CDATA[maxillary bosom]]></kwd>
<kwd lng="en"><![CDATA[bifosfonatos]]></kwd>
<kwd lng="en"><![CDATA[cancer]]></kwd>
</kwd-group>
</article-meta>
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