Journal of Korean Academy of Oral and Maxillofacial Radiology (치과방사선)

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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A TOMOGRAPHIC STUDY OF POSITIONAL AND BONY CHANGES IN THE TEMPORO-MADIBULAR JOINT FOLLOWING ORTHOGNATHIC SURGERY

악교정 수술 후 하악과두의 위치 및 골변화에 관한 단층방사선학적 연구

  • Song Nam-Kyu (Department of Oral and Maxillofacial Radiology, College of Dentistry, Chonbuk National University) ;
  • Kim Min-Suk (Department of Oral and Maxillofacial Radiology, College of Dentistry, Chonbuk National University) ;
  • Koh Kwang-Joon (Department of Oral and Maxillofacial Radiology, College of Dentistry, Chonbuk National University)
  • 송남규 (전북대학교 치과대학 구강악안면방사선학교실) ;
  • 김민숙 (전북대학교 치과대학 구강악안면방사선학교실) ;
  • 고광준 (전북대학교 치과대학 구강악안면방사선학교실)
  • Published : 1992.12.01
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Abstract

The purpose of this study was to aid in the evaluation of prognosis of temporomandibular joint following orthognathic surgery. For this study, 20 patients (40 TMJ) who undergone orthognathic surgery were examined. Preoperative and postoperative tomograms of TMJ were taken. And the subjects were divided into 3 groups according to postoperative periods. The obtained results were as follows; 1. There were no significant differences between preoperative and postoperative changes in joint spaces in each group and between groups(P<0.05). 2. There were no significant differences between preoperative and postoperative ratio of joint space(P<0.05). 3. There were no significant differences between preoperative and postoperative changes in the range of motion of condylar head(P<0.05). 4. The bony changes of condylar head were observed in 14(35%) condyles (6 erosion, 2 flattening, 5 double contour, 1 osteophyte).

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