New 3-dimensional cephalometric analysis for orthognathic surgery

Jaime Gateno, James J. Xia, John F. Teichgraeber

Research output: Contribution to journalArticle

84 Scopus citations

Abstract

Two basic problems have been associated with traditional 2-dimensional cephalometry. First, many important parameters cannot be measured on plain cephalograms; and second, most 2-dimensional cephalometric measurements are distorted in the presence of facial asymmetry. Three-dimensional cephalometry, which has been facilitated by the introduction of cone-beam computed tomography, can solve these problems. However, before this can be realized, fundamental problems must be solved. These include the unreliability of internal reference systems and some 3-dimensional measurements, and the lack of tools to assess and measure the symmetry. In the present report, we present a new 3-dimenisonal cephalometric analysis that uses different geometric approaches to solve these fundamental problems. The present analysis allows the accurate measurement of the size, shape, position, and orientation of the different facial units and incorporates a novel method to measure asymmetry.

Original languageEnglish (US)
Pages (from-to)606-622
Number of pages17
JournalJournal of Oral and Maxillofacial Surgery
Volume69
Issue number3
DOIs
StatePublished - Mar 2011

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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