Mineral trioxide aggregate as an alternative treatment for intruded permanent teeth with root resorption and incomplete apex formation - Oliveira, Thais Marchini; Sakai, Vivien Thiemy; Silva, Thiago Cruvinel da; Santos, Carlos Ferreira dos; Abdo, Ruy Cesar Camargo; Machado, Maria Aparecida de Andrade Moreira (Dental Traumatology, 2008)