The korean journal of orthodontics (대한치과교정학회지)

The Korean Association Of Orthodontists (대한치과교정학회)
권호 표지

A ROENTGENOGRAPHIC CEPHALOMETRIC STUDY OF THE HOLDAWAY RATIO

Holdaway Ratio에 관한 두부방사선 계측학적 연구

  • Kim, Il Bong (Department of Orthodontics, College of Dentistry, Seoul National University) ;
  • Yang, Won Sik (Department of Orthodontics, College of Dentistry, Seoul National University) ;
  • Cho, Hi Won (Department of Orthodontics, College of Dentistry, Seoul National University)
  • 김일봉 (서울대학교 치과대학 교정학) ;
  • 양원식 (서울대학교 치과대학 교정학) ;
  • 조희원 (서울대학교 치과대학 교정학)
  • Published : 1970.12.01
Download PDF
⟨ Previous Next ⟩

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.

Keywords