Korean J Orthod.
1970 Dec;1(1):29-32.
A roentgenographic cephalometric study of the Holdaway ratio
- Affiliations
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- 1Department of Orthodontics, College of Dentistry, Seoul National University, Korea.
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.