Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
권호 표지

A STUDY OF POSITION AND SIZE OF CRANIAL BASE, MAXILLA, AND MANDIBLE IN TRUE SKELETAL CLASS III PATIENTS

진성 골격성 III급 부정교합에서 두개저, 상악, 하악의 위치 및 크기에 관한 연구

  • Woo, Soon-Seop (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Choi, Yong-Soo (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Park, Won-Hee (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Yoo, Im-Hag (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Lee, Young-Soo (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Shim, Kwang-Sup (Dept. of Dental Surgery, Medical College of Hanyang University)
  • 우순섭 (한양대학교 의과대학 치과학교실) ;
  • 최용수 (한양대학교 의과대학 치과학교실) ;
  • 박원희 (한양대학교 의과대학 치과학교실) ;
  • 유임학 (한양대학교 의과대학 치과학교실) ;
  • 이영수 (한양대학교 의과대학 치과학교실) ;
  • 심광섭 (한양대학교 의과대학 치과학교실)
  • Published : 2002.02.28
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Abstract

The facial patterns were expressed by the interrelation of variable factors such as heredity, function and environment. Such variable factors have an effect on the growth and development of maxillofacial bones. The malocclusions with skeletal discrepancies are caused by abnormal forms, sizes and positions of cranial base, maxilla and mandible. For the proper diagnosis and treatment planning, the analysis of such structures is necessary. Lateral cephalograms of 54 adults with class III malocclusion patients (test group) and 61 adults with normal occlusion (control group) were analyzed. Anteroposterior relations and sizes of cranial base, maxilla, mandible were estimated to compare with those of normal ones. In test group, the anterior cranial base length was within normal range, but posterior cranial base, maxilla and mandibular body were longer than those in control group, significantly. Based on the cranial base, the location of maxilla in test group was normal, but the location of mandible was more anterior than that in control. Based on the maxilla, the location of mandible was more anterior in test group than that in control. Both mandibular body and ramus anteroposterior lengths in test group were larger than those in control. Both mandibular plane angle and upper gonial angle were within normal range, but lower gonial angle was significantly high in test group.

Keywords

References

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