Maxillary distraction osteogenesis is well established for the treatment of severe retromaxilla. We report our experience since 2004 of the treatment of 19 patients using a new intraoral maxillary distraction device. Maxillary advancement was successful in all patients with mean advancement of 9.6mm (range 4-17) measured at a point in lateral cephalograms. The new device limited surgical exposure and the amount of materials implanted, and improved control in every phase of the distraction. It was psychologically accepted by patients and was more comfortable than existing devices.
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