| 두부방사선 계측사진을 이용한 한국아동의 상,하악골 성장에 따른 Gonial angle의 변화에 관한 연구 |
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유영규 |
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연세대학교 치과대학 |
| A LONGITUDINAL STUDY OF CHANGE OF THE GONIAL ANGLE ACCORDING TO MAXILLARY AND MANDIBULAR BONE GROWTH IN KOREAN CHILDREN |
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Young-Kyu Ryu |
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Dept. of Orthodontics, College of Dentistry, Yonsei University |
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| Abstract |
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The purpose of this study was observing the annual growth increment in Cephalogram. The Cephalograms of 28 boys & 22 girls were analized by method of Downs & Steiner, range from 7 to 9 years in Korean children. The results were as follows. 1. The change of gonial angle in both male and female is not presented in this age. 2. The most significant linear change of both male and female is the facial depth (Na-Go) and that of both male and female is the interincisal angle in this age. 3. The increment of the mandibular body length (Go-Me) and the anterior facial height (Na-Me) is presented in this age. 4. The change of SNA and SNB in both male and female is negligible is negligible in this age. |
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