<?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>0124-0064</journal-id>
<journal-title><![CDATA[Revista de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. salud pública]]></abbrev-journal-title>
<issn>0124-0064</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Salud Publica, Facultad de Medicina - Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0124-00642015000400010</article-id>
<article-id pub-id-type="doi">10.15446/rsap.v17n4.34322</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Uso de prótese dentária e sua relação com lesões bucais]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of dental prostheses and their relationship with oral lesions]]></article-title>
<article-title xml:lang="es"><![CDATA[Uso de prótesis dentales y su relación con lesiones orales]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[da Conceição Dantas de Medeiros]]></surname>
<given-names><![CDATA[Fabianna]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[De Araújo- Silva]]></surname>
<given-names><![CDATA[Thiago F]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves Ferreira]]></surname>
<given-names><![CDATA[Kleiton]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bezerra de Oliveira-Moura]]></surname>
<given-names><![CDATA[Jamile M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinheiro Cavalcanti-Lima]]></surname>
<given-names><![CDATA[Isabela]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Seabra]]></surname>
<given-names><![CDATA[Eduardo J]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade do Estado do Rio Grande do Norte  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Federal de Educação  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2015</year>
</pub-date>
<volume>17</volume>
<numero>4</numero>
<fpage>603</fpage>
<lpage>613</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0124-00642015000400010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0124-00642015000400010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0124-00642015000400010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Objetivo Mostrar a relação da prótese dentária com a incidência e o tipo de lesões bucais desenvolvidos na região do Seridó, estado do Rio Grande do Norte, Brasil. Método Foi realizado um cadastro de 77 pacientes, todos com mais de 21 anos de idade, ambos os gêneros, não etilistas e/ou tabagistas crônicos, residentes nos municípios correspondentes a região do Seridó, que apresentavam algum tipo de lesão bucal e que deram entrada nas Clínicas Odontológicas da Universidade do Rio Grande do Norte, sendo observado a relação destas com o uso de próteses dentárias. Resultados A maioria das próteses relacionadas com lesões orais possuía mais de 05 anos de uso e indicação de troca, e que a Candidose, com 45,5 % dos casos e Hiperplasia fibrosa inflamatória, com 27,2 % foram às lesões mais relacionadas. Conclusões As próteses dentárias totais e parciais removíveis apresentaram relação com lesões orais, no entanto, a prótese total apresentou maior percentual de peças indicadas para troca e com mais de 05 anos de uso; mostrando que o tipo parcial removível a grampo mesmo sem indicações de troca, apresentaram uma alta relação com lesões.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Objective To show the relationship between dental prostheses and the incidence and type of oral lesions developed in the Seridó region of Brazil. Methods 77 patients were registered. All were over 21 years of age, of both sexes, non-alcoholic and / or chronic smokers, and residents of the municipalities of the region corresponding to Seridó. They also all had some type of oral lesion and had been admitted to dental clinics of the University of Rio Grande do Norte. Here, the relationship between these lesions and the dental prostheses that they used was observed. Results The majority of dental prostheses related to oral lesions had more than 5 years of use and required changing. Candidiasis (45.5 %) and inflammatory fibrous hyperplasia (27.2 %) were the lesions most related to the dental prostheses. Conclusions Complete prostheses and removable partial dentures correlated with oral lesions. However, the complete prostheses had a higher percentage ready for change-out and had more than 05 years of use. This demonstrates that removable partial dentures, even without the need for exchange, showed a high correlation with the oral lesions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Objetivo Mostrar la relación de prótesis dentales con la incidencia y el tipo de lesiones orales desarrollados en la región Seridó, estado de Rio Grande do Norte, Brasil. Método Se realizó un registro de 77 pacientes. Todos eran mayores de 21 años de edad, de ambos sexos, no alcohólicos y/o fumadores crónicos, residentes de los condados correspondientes a la región Seridó, que tenía algún tipo de lesión oral y que fueron admitidos a clínicas dentales de la Universidad de Río Grande del Norte. Allí se observó la relación de estas lesiones con el uso de las prótesis dentales. Resultados En la mayoría de los casos de lesiones orales, estaban relacionadas prótesis que tenían más de 5 años de uso y requerían ser cambiadas. La candidiasis, con el 45,5 % de los casos, y la hiperplasia fibrosa inflamatoria, con el 27,2 %, fueron las lesiones más relacionadas. Conclusiones Se concluye que las prótesis completas y las prótesis parciales removibles mostraron una relación con lesiones orales. Sin embargo, las prótesis completas tuvieron un mayor porcentaje para ser cambiadas y con más de 5 años de uso. Esto demuestra que el tipo parcial removible, incluso sin necesidad de cambio, mostraron una alta correlación con las lesiones.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Prótese dentária]]></kwd>
<kwd lng="pt"><![CDATA[patologia bucal]]></kwd>
<kwd lng="pt"><![CDATA[odontologia]]></kwd>
<kwd lng="pt"><![CDATA[candidíase bucal]]></kwd>
<kwd lng="pt"><![CDATA[hiperplasia]]></kwd>
<kwd lng="en"><![CDATA[Dental prosthesis]]></kwd>
<kwd lng="en"><![CDATA[pathology]]></kwd>
<kwd lng="en"><![CDATA[oral]]></kwd>
<kwd lng="en"><![CDATA[dentistry]]></kwd>
<kwd lng="en"><![CDATA[oral candidiasis]]></kwd>
<kwd lng="en"><![CDATA[hyperplasia]]></kwd>
<kwd lng="es"><![CDATA[Prótesis dental]]></kwd>
<kwd lng="es"><![CDATA[patología bucal]]></kwd>
<kwd lng="es"><![CDATA[odontología]]></kwd>
<kwd lng="es"><![CDATA[candidiasis bucal]]></kwd>
<kwd lng="es"><![CDATA[hiperplasia]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">     <p>DOI: <a href="http://dx.doi.org/10.15446/rsap.v17n4.34322" target="_blank">http://dx.doi.org/10.15446/rsap.v17n4.34322</a></p>     <p>Art&iacute;culos Investigaci&oacute;n</p>     <p align="center"><font size="4"><b>Uso de pr&oacute;tese dent&aacute;ria e sua rela&ccedil;&atilde;o com les&otilde;es bucais</b></font></p>     <P align="center"><font size="3"><b>Use of dental prostheses and their relationship with oral lesions</b></font></p>     <p align="center"><font size="3"><b>Uso de pr&oacute;tesis dentales y su relaci&oacute;n con lesiones orales</b></font></p>     <P align="center">Fabianna da Concei&ccedil;&atilde;o Dantas de Medeiros<Sup>1</Sup>, Thiago F. De Ara&uacute;jo- Silva<Sup>2</Sup>, Kleiton Alves Ferreira<Sup>1</Sup>, Jamile M. Bezerra de Oliveira-Moura<Sup>1</Sup>, Isabela Pinheiro Cavalcanti-Lima<Sup>1</Sup> e Eduardo J. Guerra-Seabra<Sup>1</Sup></p>      <p><sup>1</sup>	Universidade do Estado do Rio Grande do Norte. Brasil. <a href="mailto:fabianna.89@hotmail.com">fabianna.89@hotmail.com</a>; <a href="mailto:kleiton_af@hotmail.com">kleiton_af@hotmail.com</a>; <a href="mailto:jamilemarinho@hotmail.com">jamilemarinho@hotmail.com</a>; <a href="mailto:belapcl@yahoo.com.br">belapcl@yahoo.com.br</a>; <a href="mailto:seabraejg@yahoo.com.br">seabraejg@yahoo.com.br</a>    <br> <sup>2</sup>	Instituto Federal de Educa&ccedil;&atilde;o, Ci&ecirc;ncia e Tecnologia do Rio Grande do Norte. Brasil. <a href="mailto:fernando_tfas@hotmail.com">fernando_tfas@hotmail.com</a></p>     <P align="center">Recebido 25 Junho 2013/Enviado para Modifica&ccedil;&atilde;o 3 Agosto 2014/Aprovado 20 Junho 2015</p> <hr>      ]]></body>
<body><![CDATA[<p><B>RESUMO</b></p>      <p><B>Objetivo</b> Mostrar a rela&ccedil;&atilde;o da pr&oacute;tese dent&aacute;ria com a incid&ecirc;ncia e o tipo de les&otilde;es bucais desenvolvidos na regi&atilde;o do Serid&oacute;, estado do Rio Grande do Norte, Brasil.</p>      <p><B>M&eacute;todo</B> Foi realizado um cadastro de 77 pacientes, todos com mais de 21 anos de idade, ambos os g&ecirc;neros, n&atilde;o etilistas e/ou tabagistas cr&ocirc;nicos, residentes nos munic&iacute;pios correspondentes a regi&atilde;o do Serid&oacute;, que apresentavam algum tipo de les&atilde;o bucal e que deram entrada nas Cl&iacute;nicas Odontol&oacute;gicas da Universidade do Rio Grande do Norte, sendo observado a rela&ccedil;&atilde;o destas com o uso de pr&oacute;teses dent&aacute;rias.</p>      <p><B>Resultados</B> A maioria das pr&oacute;teses relacionadas com les&otilde;es orais possu&iacute;a mais de 05 anos de uso e indica&ccedil;&atilde;o de troca, e que a Candidose, com 45,5 % dos casos e Hiperplasia fibrosa inflamat&oacute;ria, com 27,2 % foram &agrave;s les&otilde;es mais relacionadas.</p>      <p><B>Conclus&otilde;es</B> As pr&oacute;teses dent&aacute;rias totais e parciais remov&iacute;veis apresentaram rela&ccedil;&atilde;o com les&otilde;es orais, no entanto, a pr&oacute;tese total apresentou maior percentual de pe&ccedil;as indicadas para troca e com mais de 05 anos de uso; mostrando que o tipo parcial remov&iacute;vel a grampo mesmo sem indica&ccedil;&otilde;es de troca, apresentaram uma alta rela&ccedil;&atilde;o com les&otilde;es.</p>      <p><B>Palavras-chave</B>: Pr&oacute;tese dent&aacute;ria, patologia bucal, odontologia, candid&iacute;ase bucal, hiperplasia (<I>fonte: DeCS, BIREME</I>).</p> <hr>      <p><B>ABSTRACT</b></p>     <p><B>Objective</b> To show the relationship between dental prostheses and the incidence and type of oral lesions developed in the Serid&oacute; region of Brazil.</p>      <p><B>Methods</B> 77 patients were registered. All were over 21 years of age, of both sexes, non-alcoholic and / or chronic smokers, and residents of the municipalities of the region corresponding to Serid&oacute;. They also all had some type of oral lesion and had been admitted to dental clinics of the University of Rio Grande do Norte. Here, the relationship between these lesions and the dental prostheses that they used was observed.</p>      <p><B>Results</B> The majority of dental prostheses related to oral lesions had more than 5 years of use and required changing. Candidiasis (45.5 %) and inflammatory fibrous hyperplasia (27.2 %) were the lesions most related to the dental prostheses.</p>      ]]></body>
<body><![CDATA[<p><B>Conclusions</B> Complete prostheses and removable partial dentures correlated with oral lesions. However, the complete prostheses had a higher percentage ready for change-out and had more than 05 years of use. This demonstrates that removable partial dentures, even without the need for exchange, showed a high correlation with the oral lesions.</p>      <p><B>Key Words</B>: Dental prosthesis, pathology, oral, dentistry, oral candidiasis, hyperplasia (<I>source: MeSH, NLM</I>).</p> <hr>      <p><B>RESUMEN</b></p>      <p><B>Objetivo</b> Mostrar la relaci&oacute;n de pr&oacute;tesis dentales con la incidencia y el tipo de lesiones orales desarrollados en la regi&oacute;n Serid&oacute;, estado de Rio Grande do Norte, Brasil.</p>      <p><B>M&eacute;todo</B> Se realiz&oacute; un registro de 77 pacientes. Todos eran mayores de 21 a&ntilde;os de edad, de ambos sexos, no alcoh&oacute;licos y/o fumadores cr&oacute;nicos, residentes de los condados correspondientes a la regi&oacute;n Serid&oacute;, que ten&iacute;a alg&uacute;n tipo de lesi&oacute;n oral y que fueron admitidos a cl&iacute;nicas dentales de la Universidad de R&iacute;o Grande del Norte. All&iacute; se observ&oacute; la relaci&oacute;n de estas lesiones con el uso de las pr&oacute;tesis dentales.</p>      <p><B>Resultados</B> En la mayor&iacute;a de los casos de lesiones orales, estaban relacionadas pr&oacute;tesis que ten&iacute;an m&aacute;s de 5 a&ntilde;os de uso y requer&iacute;an ser cambiadas. La candidiasis, con el 45,5 % de los casos, y la hiperplasia fibrosa inflamatoria, con el 27,2 %, fueron las lesiones m&aacute;s relacionadas.</p>      <p><B>Conclusiones</B> Se concluye que las pr&oacute;tesis completas y las pr&oacute;tesis parciales removibles mostraron una relaci&oacute;n con lesiones orales. Sin embargo, las pr&oacute;tesis completas tuvieron un mayor porcentaje para ser cambiadas y con m&aacute;s de 5 a&ntilde;os de uso. Esto demuestra que el tipo parcial removible, incluso sin necesidad de cambio, mostraron una alta correlaci&oacute;n con las lesiones.</p>      <p><B>Palabras Clave</B>: Pr&oacute;tesis dental, patolog&iacute;a bucal, odontolog&iacute;a, candidiasis bucal, hiperplasia (<I>fuente: DeCS, BIREME</I>).</p> <hr>      <p>O c&acirc;ncer de boca &eacute; a 11&ordf; neoplasia mais comum no mundo, sendo diagnosticados anualmente 300 000 novos casos (1). No Brasil, o c&acirc;ncer de boca apresenta uma estimativa de 14 120 novos casos e um n&uacute;mero de 6 214 casos de morte (2).</p>      <p>Neoplasias bucais s&atilde;o consideradas doen&ccedil;as multifatoriais, onde fatores relacionados ao estilo de vida como o tabagismo, alcoolismo, h&aacute;bitos diet&eacute;ticos e exposi&ccedil;&otilde;es excessivas a radia&ccedil;&otilde;es solares, combinados com uma predisposi&ccedil;&atilde;o gen&eacute;tica est&atilde;o fortemente associados (3).</p>      ]]></body>
<body><![CDATA[<p>Outro ponto a ser considerado &eacute; o fato de existirem les&otilde;es potencialmente malignas. Esse tipo de les&otilde;es pode ser provocado ou exacerbado por traumatismos cr&ocirc;nicos de longa dura&ccedil;&atilde;o, como as superf&iacute;cies basais de pr&oacute;teses dent&aacute;rias mal adaptadas, com muito tempo de uso, quebradas, mal higienizadas, dimens&otilde;es verticais inadequadas e confeccionadas por profissionais inabilitados (4).</p>      <p>Segundo dados fornecidos pelo SB Brasil 2010 (5), mais de 3 milh&otilde;es de idosos necessitam de pr&oacute;tese total e outros 4 milh&otilde;es precisam da pr&oacute;tese parcial, sendo que no interior do Nordeste, &aacute;rea da realiza&ccedil;&atilde;o deste estudo, esta condi&ccedil;&atilde;o &eacute; ainda mais desfavor&aacute;vel. Fato este relacionado &agrave; quase inexist&ecirc;ncia de servi&ccedil;os de pr&oacute;tese dent&aacute;ria inseridos em &oacute;rg&atilde;os de sa&uacute;de p&uacute;blica, corroborando com a procura por reabilita&ccedil;&atilde;o em ambientes inadequados, mas que atendem aos anseios e limita&ccedil;&otilde;es financeiras da popula&ccedil;&atilde;o.</p>      <p>O diagn&oacute;stico precoce constitui a maior arma na luta contra o c&acirc;ncer, sendo a preven&ccedil;&atilde;o e o combate ao c&acirc;ncer de boca medidas essenciais e integrantes da aten&ccedil;&atilde;o em sa&uacute;de bucal, ao mesmo tempo em que, a reabilita&ccedil;&atilde;o oral est&aacute; diretamente relacionada a fatores como: nutri&ccedil;&atilde;o, fona&ccedil;&atilde;o, est&eacute;tica e qualidade de vida do paciente (6).</p>      <p>Nesse sentido, este estudo prop&otilde;e-se mostrar a rela&ccedil;&atilde;o da pr&oacute;tese dent&aacute;ria com a incid&ecirc;ncia e o tipo de les&otilde;es bucais na regi&atilde;o do Serid&oacute; no estado do Rio Grande do Norte - Brasil, buscando evidenciar o tipo de les&atilde;o mais relacionado ao uso da pr&oacute;tese, bem como tipo de pr&oacute;tese que est&aacute; mais relacionado a les&otilde;es. </p>      <P align="center"><b>MATERIAIS E M&Eacute;TODOS</b></p>     <p>Esse trabalho trata-se de um estudo tipo seccional, descritivo e comparativo, que teve como popula&ccedil;&atilde;o alvo, pacientes com les&otilde;es bucais atendidos nas Cl&iacute;nicas Odontol&oacute;gicas da Universidade do Estado do Rio Grande do Norte (UERN).</p>      <p>Foram examinados 77 pacientes, todos com mais de 21 anos de idade, de ambos os g&ecirc;neros, n&atilde;o etilistas e/ou tabagistas cr&ocirc;nicos, residentes nos munic&iacute;pios que comp&otilde;e a regi&atilde;o do Serid&oacute; e que apresentavam algum tipo de les&atilde;o na cavidade bucal, e que assinaram o termo de consentimento livre e esclarecido referente a esta pesquisa. &Eacute; v&aacute;lido ressaltar que n&atilde;o se trata de uma amostra de pacientes, mas de um cadastro de todos aqueles que compareceram &agrave; faculdade de Odontologia da UERN com qualquer tipo de queixa estomatol&oacute;gica no per&iacute;odo de julho de 2009 a junho de 2011.</p>      <p>Em todos os pacientes atendidos que se enquadravam aos crit&eacute;rios da pesquisa foi realizado o exame cl&iacute;nico, em seguida explicado &agrave; exist&ecirc;ncia e os prop&oacute;sitos do estudo, aqueles que desejaram participar autorizaram por escrito assinando o termo de consentimento livre e esclarecido (TCLE). Quando autorizado, era feito o preenchimento da ficha cl&iacute;nica espec&iacute;fica do projeto, onde observava-se que tipo de pr&oacute;tese dent&aacute;ria era utilizado, as condi&ccedil;&otilde;es da mesma, a rela&ccedil;&atilde;o com a les&atilde;o e o tempo de uso.</p>      <p>Diante da exist&ecirc;ncia de les&otilde;es, era atribu&iacute;do o diagn&oacute;stico cl&iacute;nico, nos casos em que se fizeram necess&aacute;rio o aux&iacute;lio do diagn&oacute;stico histopatol&oacute;gico, as bi&oacute;psias eram realizadas nas cl&iacute;nicas da faculdade de odontologia da UERN e as les&otilde;es condicionadas em formol a 10 % e encaminhadas para o laborat&oacute;rio de histopatologia da Universidade Federal do Rio Grande do Norte (UFRN) para o diagn&oacute;stico histopatol&oacute;gico. Quando necess&aacute;rio a substitui&ccedil;&atilde;o da pr&oacute;tese dent&aacute;ria utilizada pelo paciente, a mesma era confeccionadas nas cl&iacute;nicas da UERN, com o aux&iacute;lio de um laborat&oacute;rio que presta servi&ccedil;o &agrave; institui&ccedil;&atilde;o.</p>      <p>Os dados da pesquisa constam de informa&ccedil;&otilde;es contidas nas fichas cl&iacute;nicas do projeto, al&eacute;m dos laudos histopatol&oacute;gicos para os casos em que foram realizadas as bi&oacute;psias. Os dados foram descritos atrav&eacute;s frequ&ecirc;ncias absolutas e percentuais.</p>      ]]></body>
<body><![CDATA[<p>O projeto foi enviado para aprecia&ccedil;&atilde;o do Comit&ecirc; de &Eacute;tica e Pesquisa da Faculdade de Medicina de Juazeiro/CE por envolver seres humanos na sua realiza&ccedil;&atilde;o, estando de acordo com a resolu&ccedil;&atilde;o 196/96 - SISNEP, declara&ccedil;&atilde;o de Helsinke (1964) e o adendo de 2000, sendo o projeto aprovado em Abril de 2009. </p>      <P align="center"><b>RESULTADOS</b></p>     <p>Foram totalizados 77 pacientes com les&otilde;es orais correspondentes ao fluxo normal da Cl&iacute;nica Odontol&oacute;gica da UERN, e tamb&eacute;m aqueles encaminhados pelos servi&ccedil;os de sa&uacute;de das cidades da regi&atilde;o do Serid&oacute;, onde 68,8 % foram do sexo feminino. Do total 31 pacientes faziam uso de pr&oacute;tese dent&aacute;ria.</p>      <p>Aos 31 pacientes que faziam uso de algum tipo de pr&oacute;tese, foi questionado o tempo de uso da mesma, e obtive-se os resultados apresentados na <a href="#f1">Figura 1</a>. Cabe ressaltar que 70,9 % dos usu&aacute;rios de pr&oacute;teses necessitavam a confec&ccedil;&atilde;o de um novo aparelho prot&eacute;tico.</p>     <p align="center"><a name="f1"></a><img src="img/revistas/rsap/v17n4/v17n4a10f1.jpg"></p>      <p>Quando foi verificado se a les&atilde;o existente se relacionava de alguma forma com a pr&oacute;tese dent&aacute;ria em uso, observou-se uma rela&ccedil;&atilde;o direta em 70,9 % dos casos, onde 81,8 % das pr&oacute;teses relacionadas tiveram indica&ccedil;&atilde;o de troca, e em 54,5 % o tempo de uso das mesmas era superior a 5 anos. Quanto a distribui&ccedil;&atilde;o das les&otilde;es mais prevalentes, tendo como rela&ccedil;&atilde;o seu diagn&oacute;tico cl&iacute;nico os achados est&atilde;o dispostos na <a href="#t1">Tabela 1</a>. </p>     <p align="center"><a name="t1"></a><img src="img/revistas/rsap/v17n4/v17n4a10t1.jpg"></p>      <p>Foram realizadas 30 bi&oacute;psias para confirmar diagn&oacute;sticos cl&iacute;nicos, onde 30 % delas foram incisionais e 70 % excisionais; encaminhadas ao Departamento de Patologia Oral da Universidade Federal do Rio Grande do Norte para emiss&atilde;o de laudo histopatol&oacute;gico, houve concord&acirc;ncia em 60 % dos casos, 10 % foram inconclusivos 30 % n&atilde;o tiveram concord&acirc;ncia com o diagn&oacute;stico cl&iacute;nico.</p>      <p>Dentre os 22 casos de les&otilde;es relacionadas com a pr&oacute;tese dent&aacute;ria em uso tivemos a candidose e hiperplasia fibrosa inflamat&oacute;ria como as mais prevalentes, 45,5 % e 27,2 % dos casos, respectivamente.</p>      <p>Quanto &agrave; distribui&ccedil;&atilde;o dos tipos de pr&oacute;teses utilizadas, pode ser observado que 52 % utilizavam pr&oacute;teses do tipo total, sendo que os outros 42 % faziam uso de pr&oacute;teses parciais remov&iacute;veis a grampo.</p>      ]]></body>
<body><![CDATA[<p>No que se refere ao tipo de pr&oacute;tese que mais apresentaram rela&ccedil;&atilde;o com les&otilde;es orais, tivemos o seguinte resultado: </p>     <blockquote>     <p>-	Pr&oacute;tese total: apresentou 16 usu&aacute;rios, em 11 deles havia rela&ccedil;&atilde;o direta da pr&oacute;tese com a les&atilde;o oral; destes casos, 81,8 % das pr&oacute;teses tiveram indica&ccedil;&atilde;o de troca e 72,7 % possuiam mais de 5 anos de uso. A candidose, com 06 casos, foi a les&atilde;o mais prevalente entre estes usu&aacute;rios.</p>      <p>-	Pr&oacute;tese parcial removiv&eacute;l a grampo: 15 pacientes utilizavam, em 10 destes casos havia rela&ccedil;&atilde;o direta da pr&oacute;tese com les&otilde;es, 46,6 % das pr&oacute;teses relacionadas tiveram indica&ccedil;&atilde;o de troca e 26,6 % apresentavam mais de 05 anos de uso. A candidose com 05 casos, tamb&eacute;m foi a les&atilde;o mais relacionada.</p> </blockquote>      <p>Em Agosto de 2009, data de in&iacute;cio de execu&ccedil;&atilde;o desta pesquisa, haviam 66 pacientes com prontu&aacute;rios cadastrados nas cl&iacute;nicas da Faculdade de Odontologia da UERN, ap&oacute;s a conclus&atilde;o do estudo esse n&uacute;mero aumentou para 434, sendo que 77 deles foram atendidos no projeto.</p>      <p>Dentre as les&otilde;es diagnosticadas obteve-se 02 casos confirmados de carcinoma epiderm&oacute;ide; sendo um deles relacionado diretamente com pr&oacute;tese dent&aacute;ria parcial remov&iacute;vel. Nestes casos os pacientes receberam as orienta&ccedil;&otilde;es cab&iacute;veis e foram encaminhados para tratamento em setores de maior complexidade.</p>      <P align="center"><b>DISCUSS&Atilde;O</b></p>     <p>Ao longo do funcionamento dos servi&ccedil;os de Estomatologia no Brasil, pode-se constatar a exist&ecirc;ncia de les&otilde;es que apresentam pr&oacute;teses dent&aacute;rias mal adaptadas mantendo rela&ccedil;&atilde;o direta com o local da les&atilde;o (7).</p>      <p>No presente estudo, a maioria dos pacientes que apresentaram les&otilde;es orais eram mulheres (68,8 %), apresentando resultados semehantes a Canger et al (8). Uma vez que as mulheres procuram tratamento odontol&oacute;gico mais frequentemente do que os homens, permitindo a detec&ccedil;&atilde;o das les&otilde;es, al&eacute;m de mudan&ccedil;as hormonais p&oacute;s-menopausa que tornam a mucosa mais suscept&iacute;vel a rea&ccedil;&otilde;es hiperpl&aacute;sicas (9). Em contrapartida, para Mozafari et al (10) n&atilde;o houve diferen&ccedil;a significativa na preval&ecirc;ncia de les&otilde;es relacionadas a pr&oacute;teses entre os sexos (p&gt;0,05).</p>      <p>Nosso estudo mostrou que 40,2 % pacientes utilizavam algum tipo de pr&oacute;tese dent&aacute;ria. Quanto ao tempo de uso e condi&ccedil;&otilde;es da pe&ccedil;a observou-se que estas est&atilde;o sendo utilizadas por tempo al&eacute;m do indicado e com condi&ccedil;&otilde;es inadequadas (54,8 % com mais de 5 anos e 70,9 % tinham indica&ccedil;&otilde;es de troca). Mandali et al (11) acrescenta que os pacientes com les&otilde;es na mucosa (p&lt;0,01) foram os que usaram pr&oacute;teses por tempo mais longo. Fato relacionado &agrave;s condi&ccedil;&otilde;es financeiras dos pacientes, os quais geralmente n&atilde;o podem arcar com os custos de uma nova pr&oacute;tese, al&eacute;m da falsa percep&ccedil;&atilde;o que as pr&oacute;teses s&atilde;o definitivas. Vale ressaltar que, quando indicada, a confec&ccedil;&atilde;o da nova pr&oacute;tese era proporcionada pela pesquisa, sendo custeadas apenas as etapas laboratoriais.</p>      ]]></body>
<body><![CDATA[<p>Sobre a rela&ccedil;&atilde;o da pr&oacute;tese com les&otilde;es orais, 70.9 % dos usu&aacute;rios apresentaram algum tipo de les&atilde;o relacionada a mesma, dentre estes, 81.8 % com indica&ccedil;&atilde;o de troca. Nesse sentido, Vaccarezza et al (12) observaram que les&otilde;es recorrentes relacionadas a dentaduras mal ajustadas mostraram associa&ccedil;&atilde;o significativa (p=0,007) com les&otilde;es pr&eacute;-cancer&iacute;genas, pois a irrita&ccedil;&atilde;o cr&ocirc;nica da mucosa contribui para o efeito cancer&iacute;geno de outros fatores, como o tabaco. Destarte, pr&oacute;teses dent&aacute;rias mal adaptadas e/ou antigas causam trauma constante e inflama&ccedil;&atilde;o aos tecidos orais.</p>      <p>Nossos resultados mostraram que dentre as les&otilde;es mais relacionadas &agrave;s pr&oacute;teses, tem-se candidose (45,5 %) e hiperplasia fibrosa inflamat&oacute;ria (27,2 %). Outros estudos apontam candidose (13), altera&ccedil;&otilde;es hiperpl&aacute;sicas mucogengivais (14), al&eacute;m da relataram &uacute;lcera traum&aacute;tica (19,5 %) e estomatite (18,1 %) (15).</p>      <p>Embora frequentemente associada ao uso de pr&oacute;teses mal adaptadas, a hiperplasia fibrosa tem como fatores etiol&oacute;gicos diastemas, arestas de dentes cortantes, m&aacute; higieniza&ccedil;&atilde;o e iatrogenias profissionais (16). A incid&ecirc;ncia de displasia na hiperplasia pode ser condi&ccedil;&atilde;o predisponente a maligniza&ccedil;&atilde;o na a&ccedil;&atilde;o de carcin&oacute;genos presentes na cavidade oral (17).</p>      <p>A m&aacute; higieniza&ccedil;&atilde;o da pr&oacute;tese associada ao trauma, age como fator predisponente para candidose, cujo desenvolvimento depende das condi&ccedil;&otilde;es de sa&uacute;de do hospedeiro (18). Altera&ccedil;&otilde;es locais da microbiota aut&oacute;ctone podem desencadear um desequil&iacute;brio entre esp&eacute;cies bacterianas e fungos. Os microorganismos do g&ecirc;nero C&acirc;ndida sp s&atilde;o geralmente, comensais, mas em determinados indiv&iacute;duos e situa&ccedil;&otilde;es podem transformar-se na forma parasit&aacute;ria, as candidoses bucais (19).</p>      <p>Quanto ao tipo de pr&oacute;tese mais relacionada a les&otilde;es obteve-se um certo equil&iacute;brio (68,7 % das pr&oacute;teses totais e 66,6 % das parciais remov&iacute;veis a grampo). Concordando com Jainkittivong et al (15), onde n&atilde;o houve diferen&ccedil;as significativas na preval&ecirc;ncia de les&otilde;es associadas ao tipo de pr&oacute;tese (p&gt;0,05). No entanto, a pr&oacute;tese total apresentou maior percentual de indica&ccedil;&atilde;o de troca e tempo de uso superior a 05 anos.</p>      <p>Rickman y otros (20) afirmaram que as pr&oacute;teses podem contribuir para o in&iacute;cio de determinadas patologias bucais, dependendo de procedimentos do dentista, do laborat&oacute;rio e do paciente.</p>      <p>A partir dos resultados, conclui-se a rela&ccedil;&atilde;o entre o uso de pr&oacute;teses dent&aacute;rias e o aparecimento de les&otilde;es bucais, principalmente candidose e hiperplasia fibrosa inflamat&oacute;ria. A grande maioria das pr&oacute;teses dent&aacute;rias que apresentaram rela&ccedil;&atilde;o direta com les&otilde;es possu&iacute;a mais de 05 anos de uso e tinham indica&ccedil;&atilde;o de troca; da&iacute; observa-se a import&acirc;ncia de conscientizarmos os pacientes de que pr&oacute;teses dent&aacute;rias n&atilde;o s&atilde;o elementos definitivos e que s&atilde;o necess&aacute;rias consultas estomatol&oacute;gicas de rotina &#9650;</p> <hr>      <P align="center"><b>REFER&Ecirc;NCIAS</b></p>      <!-- ref --><p>1.	Tsantoulis PK, Kastrinakis NG, Tourvas AD, Laskaris G, Gorgoulis VG. Advances in the biology of oral cancer. Oral oncology. 2007;43 (6):523-34.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000071&pid=S0124-0064201500040001000001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      ]]></body>
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