Morphological description of distraction regenerates in children with congenital and acquired defects and facial skeleton bones hypoplasia

: Results of the morphological study of regenerates received after distraction upper and lower jaws in children were described. It was established that maternal bone and regenerate (retention during 3 months) in children of different age groups varied according to the stage of their structures differentiation; regenerate bone tissue was always less mature than maternal bone irrespective of its localization; lag in differentiation of new growth regenerate bone structures in the group of patients with congenital pathology if compared with the same indicator in the group of children with acquired pathology.