Maxillofacial Plastic and Reconstructive Surgery

Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
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Surgical and Orthognathic Treatment of Skeletal Class III Featuring Severe Transversal and Sagittal Discrepancy: A Case Report

심한 상하악 치열궁 부조화 환자의 수술적 해결: 증례보고

  • Ryu, Kyung-Sun (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry) ;
  • Lee, Baek-Soo (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry) ;
  • Kim, Yeo-Gab (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry) ;
  • Kwon, Yong-Dae (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry) ;
  • Choi, Byung-Joon (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry) ;
  • Ohe, Joo-Young (Department of Oral and Maxillofacial Surgery, Kyung Hee University School of Dentistry)
  • 유경선 (경희대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 이백수 (경희대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 김여갑 (경희대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 권용대 (경희대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 최병준 (경희대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 오주영 (경희대학교 치의학전문대학원 구강악안면외과학교실)
  • Received : 2012.08.16
  • Accepted : 2013.03.26
  • Published : 2013.03.31
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Abstract

Multiple segment osteotomy orthognathic surgery serves to combine the total or segmental maxillary and mandibular correction of the dentofacial deformities with concurrent procedures to provide immediate repositioning to the dento-osseous elements. In addition, splitting the palate may often be necessary to correct a functionally poor relationship of the maxilla to the mandible or the facial skeleton by realigning the maxillary arch. In this case, the discrepancy in a bimaxillary horizontal relationship and the space between the 2nd premolar and 2nd molar was retained after lengthy preoperative orthodontic treatment. However, we could correct these dento-osseous discrepancies immediately by performing midpalatal expansion, anterior segmental osteotomy and symphyseal osteotomy with bimaxillary osteotomies. If the blood supply to each segment segments was maintained and primary closure of the operation site was feasible, multiple segment osteotomy was considered as a very effective technique for treating dentofacial deformities in vertical, transverse, and sagittal dimensions with differential repositioning of all segments.

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References

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