TI : A study on the horizontal image magnification of orthopantomography
AU : Kim HP; Ahn HK
AD : Department of Dental Radiology, College of Dentistry, Seoul National University
SO : JKAMFR. 1974;4(1):39-44
PY : 1974
LA : KOREAN
CP : KOREA
AB : The purpose of this study is to obtain the horizontal magnification rate of orthopantomography.
The subjects were consisted of 30 Korean adults who had Angle's classification I occlusion by using measuring wire set on the incisal 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 rate of local magnification was that the anterior teeth region was 90%, the canine region was 96%, the p remolar region was 104%, the lst molar region was 117%, and the 2nd molar region was 124%.