Maxillofacial Plastic and Reconstructive Surgery

Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
권호 표지

THE CEPHALOMETRIC ANALYSIS OF THE SOFT TISSUE CHANGES AT THE MIDDLE FACE IN THE SKELETAL CLASS III PATIENTS WITH THE ORTHOGNATHIC 2-JAW SURGERY

골격성 제3급 부정교합자의 양악 수술 후 중안면부 연조직 변화에 관한 두부 계측 방사선학적 연구

  • Ahn, Je-Young (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Kim, Ji-Yong (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Joo, Bum-Ki (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Kim, Min-Chul (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Huh, Jong-Ki (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Kim, Hyung-Gon (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital) ;
  • Park, Kwang-Ho (Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital)
  • 안제영 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 김지용 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 주범기 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 김민철 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 허종기 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 김형곤 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원) ;
  • 박광호 (연세대학교 치과대학 구강악안면외과학교실 영동세브란스병원)
  • Published : 2006.01.31
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Abstract

Considering the skeletal class III malocclusion that complains of mandibular prognathism, there have been some studies of the mandibular change for comparing the changes of pre operative with post operative state. Nowadays it is common to do the orthognathic 2-jaw surgery for the correction of the maxillary deficiency, the post operative stability and the esthetics. We compare and analyze the changes of soft tissue around the nose and the lip with the changes in the direction and the amount of maxilla. Patients who were diagnosed as maxillofacial deformity and received orthognathic surgery of both jaws at Yongdong Severance hospital from 2001 through 2003 were included in this study. Their lateral cephalograms were analyzed, and the post operative change of hard tissue and soft tissue were studied. Upon analyzing the preoperative cephalograms and 6 month post operative cephalograms, there were significant in the vertical change of Labialis superius(Ls) and Stomion(Stm) in soft tissue in relation to the vertical change of skeletal landmarks (Anterior Nasal Spine, Subspinale, Prosthion, Incision Superious). In addition, there were no significance in horizontal movement of the skeletal landmarks among groups. In terms of hard tissue landmarks, group 3(maxillary posterior impaction and advancement surgery group) showed significantly greater change in the vertical movement of Anterior Nasal Spine(ANS), Subspinale(A), Prosthion(Pr), and Incision Superious(Is) compared with other groups. In terms of soft tissue change, group 3 showed more significant change in the vertical movement of Ls and Stm. This study calculated the changes of the skeletal and soft tissue landmarks in order to act as a guide in planning and performing the surgery and as a reference in predicting the postoperative change of facial appearance.

Keywords

References

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