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The Angles of the Mandible in Korean - Three Dimensional Reconstruction Study

Lee Ju Young 1 Wu-Chul Song 1 SHIN KANG JAE 1 Kim Jeong Nam 2 이은 3 신주옥 4 Koh Ki Seok 1

1건국대학교
2마산대학교
3상지대학교 보건과학대학 제약공학과
4연세대학교

Accredited

ABSTRACT

The aim of this study was to analyze the difference of the measurements of mandible between youngmale and female using three dimensional reconstruction images derived from the facial bone CT images. Typeclassification of mandible was performed based on the angle of base of mandible and the angle of mandibularmargin observed from the anterior view and the correlation among the measurement items was analyzed. Onehundred-ninety five young adults facial CT were collected from the Konkuk University medical center (98females, 97 males; mean age 25.9 years, range 18~38 years). Three dimensional images of the face werereconstructed using software from CT images of whole specimens. The angle of the base of the mandible, theangle of the mandibular margin, total length of mandibualr margin, and the height of mandibular symphysis weremeasured. All measurement items were larger and longer in male than female (P⁄0.05). Three types wereclassified according to the mandibular angle. In female, the subjects were evenly distributed among groups, butgroup I which had large mandibular angle was most common in male. The smaller the height of mandibularsymphysis, the larger the angle of base of mandible or the angle of mandibular margin (P⁄0.05).

Citation status

* References for papers published after 2023 are currently being built.