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Surgical correction of maxillary hypoplasia.

In this report the pathophysiology of maxillary hypoplasia is reviewed, and two patients who underwent surgical treatment described. Included in the analyses are illustrations and photographs of the face, cephalometric measurements, predictive tracings, and model surgery. Corrective surgical techniques, consisting primarily of LeForte III osteotomies, are presented in detail. Segmental osteotomy of the lower jaw, sliding genioplasty, and augmentation rhinoplasty are discussed and shown as various adjunctive procedures in the correction of associated deformities. Postoperative tracings and photographs are used to illustrate the predictive changes and improved cosmetic and functional results.