public function exportarAction($historiaId, $grupoId)
 {
     $em = $this->getDoctrine()->getManager();
     $historiaClinica = $em->getRepository('HistClinicaBundle:HistoriaClinica')->find($historiaId);
     $diagnosticos = $em->getRepository('HistClinicaBundle:DiagnosticoDiente')->findDiagnosticoPorHistoria($historiaId, $grupoId);
     $odontograma = $em->getRepository('HistClinicaBundle:Odontograma')->findOneBy(array('grupo' => $grupoId));
     $convenParcial = Util::OdontConvenDienParcialEnum();
     $convenCompleto = Util::OdontConvenDienCompletoEnum();
     $colores = Util::OdontConvenColores();
     return $this->render('HistClinicaBundle:Odontograma:exportar.html.twig', array('historiaClinica' => $historiaClinica, 'diagnosticos' => $diagnosticos, 'convenParcial' => $convenParcial, 'convenCompleto' => $convenCompleto, 'colores' => $colores, 'odontograma' => $odontograma));
 }