{"id":17059,"date":"2017-01-17T16:22:29","date_gmt":"2017-01-17T18:22:29","guid":{"rendered":"http:\/\/sites.usp.br\/ebt\/?page_id=17059"},"modified":"2017-02-02T14:35:41","modified_gmt":"2017-02-02T16:35:41","slug":"radiopacidade","status":"publish","type":"page","link":"https:\/\/sites.usp.br\/ebt\/?page_id=17059","title":{"rendered":"Radiopacidade: O metal Alum\u00ednio \u00e9 Padr\u00e3o de Refer\u00eancia?"},"content":{"rendered":"<address><em><span style=\"color: #ff0000;font-size: 14px\"><em>\u2666 <\/em><\/span><\/em><span style=\"color: #ff0000\"><span style=\"color: #ff0000\"><span style=\"font-size: 10px\"><strong><span style=\"color: #0000ff\"><em><span style=\"color: #ff0000\"><em><strong><span style=\"color: #000000;font-size: 14px\">Luiz Carlos Pardini &#8211;<\/span><\/strong><\/em><\/span><\/em><span style=\"color: #ff0000\"><strong><span style=\"font-size: 10px\"><span style=\"color: #0000ff\"><span style=\"color: #0000ff\"> <span style=\"color: #000000\">{<\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/strong><\/span><\/span><\/span><span style=\"font-size: 10px\"><strong><span style=\"color: #0000ff\"><span style=\"color: #ff0000\"><strong><span style=\"font-size: 10px\"><span style=\"color: #000000\"><a style=\"color: #0000ff\" href=\"https:\/\/uspdigital.usp.br\/telefonia\/telFormularioEmail.jsp?codigoPessoaUsuario=0&amp;codigoPessoa=75623&amp;nomePessoa=Luiz Carlos Pardini&amp;print=s\">E-mailUSP<\/a>] <span style=\"color: #ff0000\"><span style=\"color: #ff0000\"><span style=\"font-size: 10px\"><strong><span style=\"color: #0000ff\"><em><span style=\"color: #ff0000\"><em><strong><span style=\"color: #000000;font-size: 14px\">&#8211;<\/span><\/strong><\/em><\/span><\/em> <\/span><\/strong><\/span><\/span><\/span> <\/span><span style=\"color: #0000ff\"><a href=\"http:\/\/buscatextual.cnpq.br\/buscatextual\/visualizacv.do?metodo=apresentar&amp;id=K4796807T1\"><span style=\"color: #0000ff\">Curr\u00edculo Lattes<\/span><\/a><\/span><span style=\"color: #000000\"> <span style=\"color: #ff0000\"><span style=\"color: #ff0000\"><span style=\"font-size: 10px\"><strong><span style=\"color: #0000ff\"><em><span style=\"color: #ff0000\"><em><strong><span style=\"color: #000000;font-size: 14px\">&#8211;<\/span><\/strong><\/em><\/span><\/em> <\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/strong><\/span> <\/span><\/strong><\/span><\/address>\n<hr \/>\n<hr \/>\n<address style=\"text-align: right\"><strong><span style=\"font-size: 10px\">p\u00e1gina 1<br \/>\n<\/span><\/strong><\/address>\n<hr \/>\n<p style=\"text-align: justify\"><span style=\"font-size: 10px\">PARDINI, L.C. Radiopacidade: O metal Alum\u00ednio \u00e9 Padr\u00e3o de Refer\u00eancia? Encicl. Bras. Teleodontol., Volume 1 (S\u00e9rie Q): p\u00e1gina 1, janeiro, <\/span><span style=\"font-size: 10px\"> 2011. ISSN 2448-1181,<\/span><span style=\"font-size: 10px;color: #000000\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n<hr \/>\n<p style=\"text-align: justify\"><span style=\"font-family: Arial\">A imagem radiogr\u00e1fica das estruturas do Complexo Dentomaxilofacial contribuem para a realiza\u00e7\u00e3o do Diagn\u00f3stico Diferencial. O metal Alum\u00ednio quando radiografado em condi\u00e7\u00f5es experimentais de laborat\u00f3rio temj sido indicado como imagem padr\u00e3o para compara\u00e7\u00e3o de\u00a0 Materiais\u00a0 Restauradores [<strong><span style=\"color: #0000ff\"><a style=\"color: #0000ff\" href=\"http:\/\/sites.usp.br\/ebt\/wp-content\/uploads\/sites\/44\/2014\/11\/ICD10-2010.pdf\">3<\/a><\/span><\/strong><span style=\"color: #0000ff\"><span style=\"color: #000000\">] e para as orienta\u00e7\u00f5es das condutas e procedimentos em Odontologia [1,2,3,4<\/span><\/span>]<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-family: Arial\">Ao incorporar estas part\u00edculas de metal pesado, no Comp\u00f3sito, estar\u00e1 contribuindo para a propriedade de extrema import\u00e2ncia em Material Restaurador: a Radiopacidade.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-family: Arial\">A Radiopacidade \u00e9 uma caracter\u00edstica que todo Material Restaurador deve ter, que consiste em fornecer uma imagem radiogr\u00e1fica objetivsando o Interpreta\u00e7\u00e3o Radiogr\u00e1fica (Diagn\u00f3stico).<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-family: Arial\">Dentre estes elementos qu\u00edmicos pode-se destacar os elementos qu\u00edmicos: B\u00e1rio, Estr\u00f4ncio e Zirc\u00f4nio. O metal Alum\u00ednio (Z=30) \u00e9 utilizado como Padr\u00e3o de Refer\u00eancia para a avaliar a\u00a0 Radiopacidade.Uma espessura de 2 mm de Dentina \u00e9 equivalente a uma Radiopacidade de 2,5 mm de Alum\u00ednio, e, a radiopacidade do Esmalte equivale a 4 mm de Alum\u00ednio.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-family: Arial\">Os comp\u00f3sitos incluem em sua composi\u00e7\u00e3o Elementos Qu\u00edmicos que cont\u00eam \u00e1tomos com elevado\u00a0 N\u00famero\u00a0 At\u00f4mico (Z). Para ser efetivo, um comp\u00f3sito deve exceder a Radiopacidade do Esmalte, mas os Padr\u00f5es Internacionais aceitam uma Radiopacidade equivalente a 2 mm de Alum\u00ednio. O Material Restaurador utilizado em Odontologia denominado de Am\u00e1lgama possui Radiopacidade maior que 10 mm de Alum\u00ednio,\u00a0 excedendo a\u00a0 todas Radiopacidades dos Comp\u00f3sitos.<\/span><\/p>\n<hr \/>\n<p style=\"text-align: justify\"><strong><span style=\"font-size: 10px\">REFER\u00caNCIAS<\/span><\/strong><\/p>\n<div style=\"text-align: justify\" align=\"justify\">\n<div align=\"justify\"><span style=\"font-size: 10px\"><span style=\"font-size: 10px\">1. AGUILAR, Fabiano Gamero; GARCIA, Lucas da Fonseca Roberti; ROSSETTO, H. L.; PARDINI, Luiz Carlos; PIRES-DE-SOUZA, Fernanda de Carvalho Panzeri . Radiopacity evaluation of calcium aluminate cement containing different radiopacifying agents. Journal of Endodontics, v. 37, p. 67-71, 2011..<\/span><\/span><\/div>\n<div align=\"justify\"><span style=\"font-size: 10px\">2. Pires-de-Souza, Fernanda de Carvalho Panzeri; PARDINI, Luiz Carlos; CRUVINEL, Diogo Rodrigues; HAMIDA, Hisham Mohamad; GARCIA, Lucas da Fonseca Roberti . In vitro comparison of the radiopacity of cavity lining materials with human dental structures. Journal of Conservative Dentistry, v. 13, p. 65, 2010. <\/span><\/div>\n<div align=\"justify\"><span style=\"font-size: 10px\">3. GUTHER, Nielcy S; MAIA, Renata; PIRES-DE-SOUZA, Fernanda de Carvalho Panzeri; PARDINI, Luiz Carlos . A resist\u00eancia adesiva ao esmalte e dentina: sistemas adesivos total-etch e Self-etch. Est\u00e1gio Atual. JBD. Revista Ibero-Americana de Odontologia Est\u00e9tica &amp; Dent\u00edstica, Curitiba, v. 5, n.17, p. 87-91, 2006.<\/span><\/p>\n<div align=\"justify\"><span style=\"font-size: 10px\">4\u00a0 TIRAPELLI, Camila; PIRES-DE-SOUZA, Fernanda de Carvalho Panzeri; PANZERI, Heitor; PARDINI, Luiz Carlos; ZANIQUELLI, Osvaldo. Radiopacity and microhardness changes and effect of X-ray operating voltage in resin-based materials before and after the expiration date. Materials Research, S\u00e3o Carlos \u2013 SP, v. 7, n.3, p. 409-412, 2004. <\/span><\/div>\n<\/div>\n<div style=\"text-align: center\" align=\"justify\">\n<address style=\"text-align: right\">\n<hr \/>\n<hr \/>\n<\/address>\n<\/div>\n<\/div>\n<div style=\"text-align: left\" align=\"center\">\n<div style=\"text-align: center\" align=\"center\">\n<div align=\"justify\"><span style=\"font-size: 10px\"><strong><span style=\"text-decoration: underline\">Publicado<\/span>:<\/strong> 01\/01\/2011 &#8211; Enciclop\u00e9dia Brasileira de Teleodontologia &#8211; ISNN 2448-1181<br \/>\n<\/span><\/div>\n<\/div>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2666 Luiz Carlos Pardini &#8211; {E-mailUSP] &#8211; Curr\u00edculo Lattes &#8211; p\u00e1gina 1 PARDINI, L.C. Radiopacidade: [&hellip;]<\/p>\n","protected":false},"author":58,"featured_media":0,"parent":14840,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-17059","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/pages\/17059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17059"}],"version-history":[{"count":7,"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/pages\/17059\/revisions"}],"predecessor-version":[{"id":17153,"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/pages\/17059\/revisions\/17153"}],"up":[{"embeddable":true,"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=\/wp\/v2\/pages\/14840"}],"wp:attachment":[{"href":"https:\/\/sites.usp.br\/ebt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}