[Value of vertical osteotomy of the maxilla in the closure of open bite]

Technical features for surgical correction of long face with gaps are presented. The importance of clinical examination is emphasized, this localizing the site of the malformation, teleradiography and study of molds providing details of the deformities. Treatment stages were preoperative orthodontal therapy, followed by ascension surgery to maxilla and retraction surgery to mandible. Different surgical procedures for obtaining maxillary ascension re discussed. Combining preoperative orthodontal therapy with surgery at the site of deformities produced very satisfactory, long lasting, functional and esthetic correction.