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KMID : 0358820070340050635
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2007 Volume.34 No. 5 p.635 ~ p.640
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The Changes of Bone and Soft Tissue after Maxillary Anterior Segmental Osteotomy and Advancement Genioplasty
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Kim Jin-Woo
Sun Hook
Kim Young-Hwan
Jung Jae-Hak
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Abstract
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Purpose: Mid and lower facial convexity is more common in Oriental people than in Caucasian. Bimaxillary dentoalveolar protrusion is characterized by procumbent teeth, protruding lips, acute nasolabial angle, gummy smile, receding chin, facial convexity. Especially, pure maxillary dentoalveolar protrusion is less frequent than bimaxillary dentoalveolar protrusion. Therefore, it is important to make an accurate decision for the operation throughout the history taking, cephalogram, dental cast to arrive at accurate diagnosis and surgical plan.
Methods: From December 2002 to June 2004, ten patients with maxillary dentoalveolar protrusion and microgenia were corrected by maxillary anterior segmental osteotomy and advancement genioplasty. 10 patients were analyzed by preoperative and postoperative clinical photography, posteroanterior and lateral cephalograms.
Results: No major complications were occurred throughout the follow-up period except one of the over- recessed, otherwise most of the patients were satisfied with the result.
Conclusion: We could correct the occulusal relationship with teeth and improve lower facial profile, asthetically and functionally, by maxillary anterior segmental osteotomy and advancement genioplasty.
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KEYWORD
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Maxillary dentoalveolar protrusion, Microgenia, Maxillary anterior segmental osteotomy, Advancement genioplasty
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