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Orthopantomograph에 있어서 像의 水平擴大에 關한 硏究
A STUDY ON THE HORIZONTAL IMAGE MAGNIFICATION OF ORTHOPANTOMOGRAPHY

치과방사선 1974년 4권 1호 p.39 ~ 44

김한평,

소속 상세정보

김한평 ( ) - 서울대학교 대학원 치의학과 치과방사선학 전공

KMID : 0378219740040010039

Abstract

The purpose of this study is to obtain the horizontal magnificatin rate of orthopantomography.
The subjects were consisted of 30 Kroean adults who had Angle´s classification I occlusion by using measuring wire set on the inclisal edges of anterior teeth and the occlusal surfaces of premolars and molars along the dental arch.
The results are as follows;
1. The average rate of total magnification was 115%.
2. The average rates of locl magnification were the anterior teeth region was 90%, the canine region was 96%, the premolar region was 104%, the 1st molar region was 117% and the 2nd molar region was 124%.