Korean J Orthod.  1991 Nov;21(3):501-511.

A study on the characteristics of craniofacial skeleton in anterior open-bite

Affiliations
  • 1Department of orthodontics, College of Dentistry, Dankook University, Korea.

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 open-bite 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 open bite was correlated with PMV/Occ. P. and PMV/Mn. P.


MeSH Terms

Female
Humans
Male
Open Bite
Skeleton*
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