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Patients with a cleft lip and palate typically show a high incidence of Class III malocclusion and mid-facial retrusion. Maxillary anterior segmental distraction osteogenesis (MASDO) facilitates the forward advancement of the anterior maxillary segments without affecting the patient’s velopharyngeal function. The segmental osteotomy also corrects the anteriorly-flattened dental arches and enhance the crown exposure of the upper incisors. Furthermore, MASDO can be applied in combination with transverse distraction osteogenesis or LeFort1 osteotomy. I will demonstrate that MASDO is effective for correcting severe skeletal Class III problems in patients with cleft lip and palate.
Learning Objectives:
Address the problems associated with the surgical orthodontic treatment of patients with cleft lip and palate.
Identify the indications of the segmental distraction osteogenesis in the treatment of patients with cleft lip and palate.
Demonstrate advantages and disadvantages of the segmental distraction osteogenesis in the treatment of patients with cleft lip and palate.
