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KMID : 0355620080340030355
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2008 Volume.34 No. 3 p.355 ~ p.364
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Treatment of anterior open bite with bimaxillary anterior segmental osteotomy and genioplasty
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Hwang Yong-In
Hong Soon-Min
Park Jun-Woo
Rhee Gun-Joo
Cho Hyung-Jun
Cheon Se-Hwan
Park Yang-Ho
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Abstract
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Skeletal anterior open bite is a difficult problem to correct in orthodontic treatment. To treat adult patients who have skeletal anterior open bite, we considered two methods. Combination treatment of orthodontics and surgery and camouflage orthodontic treatment. In adults, treatment of severe skeletal anterior open bite consists mainly of surgically repositioning the maxilla or the mandible. However, camouflage therapy is often the treatment of choice for skeletal open bite patients who have mild to moderate skeletal discrepancies when growth modification is no longer possible. But excellent results generally require careful coordination of the orthodontic and surgical phases of treatment. This is a case report of a skeletal anterior open bite patients who were treated with orthodontic treatment and orthognathic surgery. First case was diagnosed as skeletal class I malocclusion and bimaxillary protrusion with anterior open bite, and finally treatment ended for removal of open bite with orthodontic procedure and bimaxillary anterior segmental osteotomy surgery. Second case was diagnosed as skeletal class II malocclusion with open bite and mandibular retrusion, and was treated with only camouflage orthodontics because she feared to have a surgery. In a regular follow up visit after debonding we proposed to the patient advanced genioplasty, and in her agreement her facial esthetics was improved through the surgery.
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KEYWORD
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Anterior segmental osteotomy, Open bite, Genioplasty
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