두부방사선계측사진에 의한 정상교합자와 개방교합자에 관한 비교적 연구

A COMPARATIVE STUDY ON THE NORMAL OCCLUSION AND OPEN-BITE BY MEANS OF CEPHALOMETRIC ROENTGENOGRAM

The author studied the open-bite of 16 males and 25 females aged 20-23 using profile cephalometric roentgenogram and compared with normal occlusion to determine the morphological pattern of open-bite. The following results are obtained. 1) Open-bite patients showed remarkable vertical development of jaws than normal occlusion. 2) Females indicated conspicuous characteristics than males in open-bite. 3) Anterior teeth disclosed low positions in open-bite patients. 4) Mandible revealed obvious morphological features than maxilla in open-bite patients.

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