1 Patients who have received a graft at the corresponding age to secondary grafts, with autologous bone harvested from the iliac crest, with procedure performed at the Maxillofacial Service of the Mexico s Childrens Hospital during the period encompassed between 1991 and 2001. 2 Patients with unilateral CLPS. 3 Patients with full complete radiographic and clinical file. 1 Patients with bilateral CLPS. 2 Patients not operated at the MFS of the MCH. 3 Patients nasoalveolar grafts are considered primare or late secondary.
1 Pacientes que hayan sido injertados en la edad correspondiente a injertos secundarios, con hueso autólogo de cresta iliaca, por el Servicio de CMF del HIM, entre 1991 y el 2001.