<?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>1646-2890</journal-id>
<journal-title><![CDATA[Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Port Estomatol Med Dent Cir Maxilofac]]></abbrev-journal-title>
<issn>1646-2890</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Estomatologia e Medicina Dentária]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-28902021000300170</article-id>
<article-id pub-id-type="doi">10.24873/j.rpemd.2021.09.845</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Bilateral simple bone cyst in mandible: Rare case report]]></article-title>
<article-title xml:lang="pt"><![CDATA[Quisto ósseo simples bilateral na mandíbula: Descrição de caso raro]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Milena Vargas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Koubik]]></surname>
<given-names><![CDATA[Ana Claudia Galvão de Aguiar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roskamp]]></surname>
<given-names><![CDATA[Liliane]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mattos]]></surname>
<given-names><![CDATA[Natanael Henrique Ribeiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Milani]]></surname>
<given-names><![CDATA[Cintia Mussi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Tuiuti do Paraná Faculty of Dentistry ]]></institution>
<addr-line><![CDATA[Curitiba ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>62</volume>
<numero>3</numero>
<fpage>170</fpage>
<lpage>175</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-28902021000300170&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-28902021000300170&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-28902021000300170&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The simple bone cyst is a benign osteolytic lesion, uncommon in the maxillomandibular region. Its etiology remains unknown, although traumatic injuries are often associated with this injury. Young patients, men and women alike are the most affected. It is asymptomatic in most cases, being diagnosed on routine radiographs. The radiolucent image, uni or multilocular, is well defined, with irregular margins, mainly in the posterior region of the mandible. Bilateral presentation is unusual. The final diagnosis is made during surgical procedures when an empty bone cavity is detected. Simple curettage is the treatment of choice and it consists of causing bleeding and filling the cavity with a blood clot. Bone repair will be observed in the follow-up procedures. The aim of this study was to present a rare case of bilateral simple bone cyst in a young male, treated with curettage of the bone walls.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O quisto ósseo simples é uma lesão osteolítica benigna, incomum na região maxilomandibular. Sua etiologia permanece desconhecida, embora as lesões traumáticas estejam frequentemente associadas a essa lesão. Pacientes jovens, homens e mulheres igualmente, são os mais afetados. É assintomático na maioria dos casos, sendo diagnosticado em radiografias de rotina. A imagem radiolúcida, uni ou multilocular, é bem definida, com margens irregulares, principalmente na região posterior da mandíbula. A apresentação bilateral é rara. O diagnóstico final é estabelecido durante os procedimentos cirúrgicos quando uma cavidade óssea vazia é detetada. A curetagem simples é o tratamento de escolha e consiste em provocar sangramento e preenchimento da cavidade com coágulo sanguíneo. A reparação óssea será observada nos procedimentos de acompanhamento. Assim, o objetivo deste estudo foi apresentar um caso raro de quisto ósseo simples bilateral em um jovem do sexo masculino, tratado com curetagem das paredes ósseas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Bilateral]]></kwd>
<kwd lng="en"><![CDATA[Bone cysts]]></kwd>
<kwd lng="en"><![CDATA[Mandible]]></kwd>
<kwd lng="pt"><![CDATA[Bilateral]]></kwd>
<kwd lng="pt"><![CDATA[Quisto ósseo]]></kwd>
<kwd lng="pt"><![CDATA[Mandíbula]]></kwd>
</kwd-group>
</article-meta>
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