1 To obtain frequency of iliac crest secondary nasoalveolar bone grafts performed ond on patients of the Maxillofacial Service of the Mexico s Children s Hospital in the period between 1991 and 2001, and the number of these which developed any degree of bone integration 2 To ascertain whether there is any relationship among factors like age and gender of patient, location of the fissure side and the degree of bone integration.
1 Determinar la frecuencia de los injertos óseos nasoalveolares secundarios de cresta iliaca, practicados a pacientes del Servicio de CMF del HIM entre 1991 y 2001 y el número de éstos que desarrollaron algún grado de integración ósea.