The korean journal of orthodontics (대한치과교정학회지)

The Korean Association Of Orthodontists (대한치과교정학회)
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A STUDY ON THE CHARACTERISTICS OF CRANIOFACIAL SKELETON IN ANTERIOR OPEN-BITE

전치부(前齒部) 개방교합자(開放咬合者)의 악안면(顎顔面) 골격(骨格) 특성(特性)에 관(關)한 연구(硏究)

  • Kim, Mee-Kyung (Dept. of Orthodontics, College of Dentistry, Dankook University) ;
  • Cha, Kyung-Suk (Dept. of Orthodontics, College of Dentistry, Dankook University)
  • 김미경 (단국대학교 치과대학 교정학교실) ;
  • 차경석 (단국대학교 치과대학 교정학교실)
  • Published : 1991.11.30
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Abstract

This study was performed to verify the craniofacial skeletal characteristics in anterior openbite group, in contrast to normal occlusion group, and also to find out, vertical factors which shows, correlate to the amount of anterior openbite. 21 individuals, including 10 males and 11 females, without orthodontic treatment history and anterior - posterior skeletal malrelationships, were selected and analyzed basic morphology and vertical factors, using standard lateral cephalogram. The obtained results as follows: 1. Comparison of anterior open-bite group with normal occlusion group using Moyers analysis. a) In basis morphologic analysis, Ba-SE-Me was lesser and Ba-SE-Mn. P. and Mn.P/A-B were greater in both sexes of anterior openbite group than in normal occlusion group. b) In angle measurements of vertical analysis, PMV/Pal. P. was lesser in male anterior openbite group and PMV/Occ. P. and PMV/Mn. P. were greater in both sexes of anterior openbite group than in normal occlusion group. c) In height ratio of vertical analysis, ATFH/PTFH and ALFH/ATFH were greater in both sexes of anterior openbite group than in normal occlusion group. 2. The amount of anterior openbite was correlated with PMV/Occ. P. and PMV/Mn. P.

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