<?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>S1646-28902025000200072</article-id>
<article-id pub-id-type="doi">10.24873/j.rpemd.2025.06.1430</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Nonsurgical endodontic treatment of misdiagnosed odontogenic cutaneous sinus tracts: Two case reports]]></article-title>
<article-title xml:lang="pt"><![CDATA[Tratamento endodôntico não cirúrgico de fístulas cutâneas odontogénicas mal diagnosticadas: Dois casos clínicos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Keskin]]></surname>
<given-names><![CDATA[&#304;kbal Sena Çelebi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yalç&#305;n]]></surname>
<given-names><![CDATA[Turgut Ya&#287;mur]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eri&#351;en]]></surname>
<given-names><![CDATA[Fehmi Raif]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Istanbul Medeniyet University Faculty of Dentistry Department of Endodontics]]></institution>
<addr-line><![CDATA[Istanbul ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Istanbul University Faculty of Dentistry Department of Endodontics]]></institution>
<addr-line><![CDATA[Istanbul ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Istanbul Nisantasi University Faculty of Dentistry Department of Endodontics]]></institution>
<addr-line><![CDATA[Istanbul ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>66</volume>
<numero>2</numero>
<fpage>72</fpage>
<lpage>77</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-28902025000200072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-28902025000200072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-28902025000200072&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Odontogenic cutaneous sinus tracts of endodontic origin can be clinically mistaken for various other diseases. Accurate diagnosis of this clinical presentation is crucial for delivering appropriate care because misdiagnosis can lead to healing failure or unnecessary treatment. Because sinus tracts of odontogenic origin can arise from various dental issues, a dental etiology must be considered for any sinus tract on the face or neck. The presente report describes two cases of odontogenic cutaneous sinus tracts that were initially misdiagnosed but were then successfully treated with nonsurgical endodontic therapy. These cases emphasize the importance of accurate diagnosis and the utility of cone-beam computed tomography for identifying the origins of odontogenic cutaneous sinus tracts. This approach avoids unnecessary treatment and ensures effective management of odontogenic infections. Effective communication between medical and dental practitioners is crucial for proper diagnosis and treatment, prevention of chronicity, and ensuring patient recovery.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo As fístulas cutâneas odontogénicas de origem endodôntica podem ser facilmente confundidas com outras condições clínicas. O seu diagnóstico preciso é essencial para a prestação de cuidados adequados, dado que um diagnóstico incorreto pode resultar no insucesso da recuperação ou na administração de tratamentos desnecessários. Dada a variedade de problemas dentários que podem originar fístulas odontogénicas, é fundamental ter em conta a etiologia dentária em qualquer caso de fístula na face ou no pescoço. O presente descreve dois casos de fístulas cutâneas odontogénicas que foram inicialmente diagnosticadas de forma incorreta, sendo posteriormente tratadas com sucesso através de tratamento endodontico não cirúrgico. Estes casos sublinham a importância de um diagnóstico rigoroso e da tomografia computadorizada de feixe cónico como ferramenta valiosa para identificar a origem das fístulas. Além de prevenir tratamentos desnecessários, esta abordagem garante uma gestão eficaz das infeções odontogénicas. A colaboração estreita entre médicos e médicos dentistas é imprescindível para um diagnóstico e tratamento adequados, prevenindo a cronicidade e garantindo a recuperação do paciente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Diagnostic errors]]></kwd>
<kwd lng="en"><![CDATA[Endodontics]]></kwd>
<kwd lng="en"><![CDATA[Periapical abscess]]></kwd>
<kwd lng="en"><![CDATA[Root canal therapy]]></kwd>
<kwd lng="pt"><![CDATA[Diagnóstico incorreto]]></kwd>
<kwd lng="pt"><![CDATA[Endodontia]]></kwd>
<kwd lng="pt"><![CDATA[Abcesso periapical]]></kwd>
<kwd lng="pt"><![CDATA[Terapia de canal radicular]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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