頭部放射線計測寫眞에 依한 正常咬合者의 中心咬合位와 下顎安靜位에 關한 硏究
A ROENTGENOCEPHALOMETRIC STUDY ON THE CENTRIC OCCLUSION AND THE REST POSITION OF THE MANDIBLE IN THE
신재의,
소속 상세정보
신재의 ( Shin Jae-Eui ) - 서울대학교 치과대학 치과교정학교실
KMID : 0361919780080010059
Abstract
The author compared and analysed the roentgenocephalograms of one hundred Korean adults with the normal occlusion (50 males and 50 females), which were taken on the centric occlusion and the rest position of the mandible respectively for every subject, and then researched the relations among the relaxed muscle of the mandible, lightly touched of the lips, and the position just after the swallowing of saliva, of which 38 among 50 males had the rest position of the mandible. The results are as followings: 1. The anterior facial height increases more at the rest position of the mandible than at the centric occlusion, while the posterior facial height decreases. 2. The mandible moves more backward and downward at the rest position of the mandible than at the centric occlusion. 3. The facial procumbency and the incisor tooth inclination increases more at the rest position of the mandible than the centric occlusion in terms of the facial plane. 4. There are no differences between males and females at the rest position of the mandible and the centric occlusion in the meaning of variation. 5. There are no differences among the three methods from the view of lines and angles of the roentgenocephalogram.
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