Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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SOFT TISSUE CHANGES AFTER DOUBLE JAW ROTATION SURGERY IN SKELETAL CLASS III MALOCCLUSION

골격성 III 급 부정 교합자에서 양악 회전 수술 후 연조직 변화에 대한 연구

  • Jeong, Mi-Hyang (Dept. of Orthodontics, College of Dentistry, Seoul National University) ;
  • Choi, Jeong-Ho (Smile Future Orthodontic Clinic) ;
  • Kim, Byuong-Ho (Smile Future Orthodontic Clinic) ;
  • Kim, Seong-Gon (Dept. of Oral and Maxillofacial Surgery, School of Medicine, Hallym University) ;
  • Nahm, Dong-Seok (Dept. of Orthodontics, College of Dentistry, Seoul National University)
  • 정미향 (서울대학교 치과대학 교정학교실) ;
  • 최정호 (웃는 내일치과) ;
  • 김병호 (웃는 내일치과) ;
  • 김성곤 (한림대학교 의과대학 구강외과학교실) ;
  • 남동석 (서울대학교 치과대학 교정학교실)
  • Published : 2006.12.31
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Abstract

The aim of this study was to evaluate the amount and interrelationship of the soft and hard tissue changes after simultaneous maxillary clockwise rotation and mandibular setback surgery in skeletal class III malocclusion. The sample comprised of 16 adult patients who had anteroposterior skeletal discrepancy. These patients had received presurgical orthodontic treatment and surgical treatment which consisted of Le fort I Osteotomy and bilateral saggital split ramus osteotomy. The presurgical (T1) and postsurgical (T2) lateral cephalograms were evaluated. The computerized statistical analysis was carried out with SPSS/PC program. The results demonstrated a decrease in the vertical dimension in the soft and hard tissue. The nasolabial angle was increased and the mentolabial angle was decreased. The results showed also many statistically significant correlations(p<0.05). The lower lip closely followed the skeletal movement of the B- point in the horizontal plane. The double jaw rotation surgery can afford a good solution to solve the problems of class III malocclusion cases.

Keywords

References

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