下顎角測定値에 關한 側 頭部放射線寫眞과 Orthopantomogram과의 比較 硏究
A COMPARATVE STUDY ON THE GONIAL ANLES IN CEPHALOMETRIC ROENTGENOGRAM AND ORTHOPANTOMOGRAM
남동석,
소속 상세정보
남동석 ( ) - 서울대학교 치과대학 교정학교실
KMID : 0361919810110020071
Abstract
The author~has studied on the gonial angles in cephalometric roentgenograph and orthopantomograph.
Lateral´cephalometric roentgenograms and orthopantomograms were taken from 62 patients who were consisted of 32 boys and 30 girls with dentoalveolar Class I malocclusion.
Gonial angles were measured on cephalograms and orthopantomograms respectively, and calculated the mean values and standard deviations.. and "t" test was performed on the relationship between the cephologram and orthopantomogram.
Results were as followings;
1. Mean value of gonial angles was 126.47° ± 5.62 in cephalgram.
In orthopantomograms the gonial angle was 125.23° ± 6.68 in left side and 126.47° ± 6.85 in the right side.
2. Result of "t" test showed no significant differences on the level of 1 percent.
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