Korean J Orthod.  2000 Feb;30(1):1-7.

Submentovertex cephalometrics in Korean adults

Affiliations
  • 1Department of Orthodontics, College of Dentistry, Seoul National University, Korea.

Abstract

It is important that the orthodontist accurately assess the degree to which facial asymmetry contributes to a given malocclusion before treatment planning. P-A, submentovertex and verticosubmental view have been used in the assessment of facial asymmetry. Among them, submentovertex view is rarely used because it has low reproducibility and is short of normal data and proper analysis method. The purpose of this study was to develop a submentovertex cephalometrics and obtain normal data in Korean adults. The subjects consisted of 40 normal adults (male : 22, female : 18) without the experience of orthodontic treatment. We find the 2 angular and 9 linear measurements. Though submentovertex cephalomentrics has the limitation in comparing the absolute length between right and left, it is useful to examine the relationship of skeletal and dental midline, the shape and location of condyle head and the shape of mandibular body in submentovertex view. Therefore, if we understand the limitation of submentovertex cephalomentrics and use lateral, P-A submentovertex cephalomentrics together, we will measure the location and amount of skeletal disharmony more exactly.

Keyword

Submentovertex view; Facial asymmetry
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