Intraoral distraction of a patient with premaxilla agenesis.

: The complex disharmonies which affect the maxillofacial region, in the sagittal and vertical dimensions, can find further complications due to the deficit of maxillary osseous tissue in transversal direction. Surgery can be indispensable to correct the malocclusion. Various methodologies have been developed for the correction of transversal maxillary hypoplasia. Among these, the Authors mention the intraoral distraction for the treatment of a male patient with pre-maxilla agenesis and serious contraction of the upper maxillary. A particularity of this case is represented by the occurred transversal skeletal expansion, starting from a past scar, outcome of a previous surgery.