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Holdaway Ratio에 관한 두부방사선 계측학적 연구
A ROENTGENOGRAPHIC CEPHALOMETRIC STUDY OF THE HOLDAWAY RATIO

Korean Journal of Orthodontics 1970년 1권 1호 p.29 ~ 32

김일봉, 양원식, 조희원,

소속 상세정보

김일봉 ( Kim Il-Bong ) - 서울대학교 치과대학 교정학교실
양원식 ( Yang Won-Sik ) - 서울대학교 치과대학 치과교정학교실
조희원 ( Cho Hee-Won ) - 서울대학교 치과대학 치과교정학교실

KMID : 0361919700010010029

Abstract

The authors have measured and obtained the Holdaway Ratio of 104 adults with normal occlusion and 75 adults with malocclusion roentgenocephalometrically. The results were as follows. 1. The Holdaway ratio was 4.41:1 in male and 11.66:1 in female. 2. In female, labial inclination of the lower central incisor was severe and convexity of the pogonion was less than male.