대한치과교정학회지 (The korean journal of orthodontics)
- 제19권1호
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- Pages.201-218
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- 1989
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
앵글 II급 1류 부정교합자의 안모유형에 관한 연구
The cephalometric study of facial types in Class II division 1 malocclusion
- Jeon, Yun-Ok (Department of Orthodontics, College of Dentistry, Kyung Hee University) ;
- Lee, Ki-Soo (Department of Orthodontics, College of Dentistry, Kyung Hee University)
- 발행 : 1989.03.01
초록
This study was focused on the distribution of different facial types of the Class II division I malocclusion groups and skeletal characteristics of the each group and those that anteropsterior relationship of the maxilla and mandible calculated from the analysis of ANB angle and Wits appraisal was quite different from each other, as well. Cephalometric headplates of 140 persons of Class II division 1 malocclusion whose mean age was 11.2 years and 69 persons of normal occlusion whose mean age was 12.2 years were utilize as materials. Measurements were recorded, tabulated and statistically analyzed employing the tracings of the lateral cephalograms, then Class II division 1 malocclusion group was divided into 9 Types according to the angle of SNA and SNB for the anteroposterior relationship of the maxilla and mandible, another 9 Types according to the FH-NPog and SN-MP for the horisontal and vertical relationship, and the other 9 Types according to the ANB and Wits appraisal for intermaxillary relationship as well, with which was based on
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