Warning: XSLTProcessor::transformToXml() [xsltprocessor.transformtoxml]: I/O warning : failed to load external entity "file:////srv/scielo/www/bases/xml/amdc/v18n2/2709-7927-amdc-18-02-e1957.xml" in /srv-new/scielo/www/htdocs/class.XSLTransformerPHP5.php on line 36 Lesión endoperiodontal combinada secundaria a un traumatismo incisal. Informe de caso