| COUTAND의 C점에 관한 한국인 성인정상교합자의 두부방사선 계측학적 연구 |
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양원식 |
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서울대학교 치과대학 교정학교실 |
| A ROENTGENOCEPHALOMETRIC STUDY ON THE COUTAND'S POINT C IN NORMAL OCCLUSION FOR KOREAN ADULTS |
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Won-Sik Yang |
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Department of Orthodontics, College of Dentistry, Seoul National University |
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| Abstract |
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The authors have measured and analyzed the values of Point C from roentgenocephalograms of Korean adults, 51 males and 53 females, with normal occlusion. The results were as follows. 1. The position of Point C was -4.73mm. in male and -4.74mm. in female. 2. In samples of harmonious maxillary and mandibular basal bones, the position of Point C was -4.02mm. in male, while that was -5.33mm. in female, respectively. 3. When N.F.-M.P.A. was become larger, the position of Point C was moved more upward; while M.R.P. was increased larger, it was moved more downward. 4. The position of Point C was depended on the distance form the cross point with nasal floor and mandibular plane to the points A and B. |
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