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Abstract

A 26-year-old female presented with Möbius syndrome. She came with chief complaint of excessive exposure her front teeth. She had Class III malocclusion with anterior cross bite. However she had a hyperdivergent face and backward rotation of the mandible without effective chin. After evaluation, she underwent orthognathic surgery and orthodontic treatment. The surgical techniques for correction her skeletal problems included maxillary Le Fort I osteotomy impaction and setback; mandibular bilateral sagittal split osteotomies setback; advancement and reduction genioplasty. The two-year follow up after treatment indicated that the surgical outcome and occlusion were stable.

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