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골격성 Ⅲ급 부정교합을 가진 양악 수술 환자의 술후 측모 예측을 위한 Video imaging (Power Ceph Ver 3.3)의 정확도에 관한 연구

Other Titles
 A Study on the Accuracy of Profile change Prediction by Video Imaging (Power Ceph Ver 3.3) in Class two jaw surgery patients 
 권미정  ;  백형선  ;  이원유 
 Korean Journal of Orthodontics (대한치과교정학회지), Vol.29(3) : 285-301, 1999 
Journal Title
 Korean Journal of Orthodontics (대한치과교정학회지) 
Issue Date
There is need for more accurate prediction in surgical orthodontic treatment. Video imaging is an important technology in planning orthognathic surgery and patients about the esthetic results after treatment. Preporative and postoperative lateral cephalogram of patients who had one piece Le Fort I osteotomy advancement and mandibular set back by bilateral intraoral vertical ramal osteotomy with or without genioplasty were used in this study. The computer generated soft tissue line drawing prediction were compared with the actual postoperative cephalograms. The results are as follows. 1. 14variables showed Statistically significant differences from 24 variables between computer predicted profile and post operative profile 2. Most of the differences were found in the maxilla-related soft tissue landmarks. 3. The predicted results were more accurate in the groups who had small amount of mandibular set back. 4. The predicted results were more accurate in the groups who had no genioplasty. Most of these differences were within 2mm ranges. therefore profile change prediction by video imaging could be considered clinically acceptable.
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Baik, Hyoung Seon(백형선)
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