Int J Stomatol ›› 2021, Vol. 48 ›› Issue (4): 398-404.doi: 10.7518/gjkq.2021068

• Radiologics • Previous Articles     Next Articles

Research progress of reference coordinate system for three-dimensional cephalometric based on cone beam computed tomography

Shi Danni(),Yang Xin,Wu Jianyong()   

  1. Dept. of Stomatology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
  • Received:2021-01-03 Revised:2021-03-28 Online:2021-07-01 Published:2021-06-30
  • Contact: Jianyong Wu;


Compared with two-dimensional (2D) cephalometry, three-dimensional (3D) cephalometry provides more accurate and complete information, but a complete standard of a 3D cephalometric analysis system has not been formula-ted yet. In this article, to establish a perfect 3D cephalometric analysis system, literature concerning the reference coordinate system for 3D cephalometric measurement on the basis of cone-beam computed tomography was reviewed. The establishment, characteristics and application of the reference coordinate system were explored according to the whole cra-nial-face reference coordinate system and the local reference coordinate system for different facial units. Thus, a theoretical basis for the standardisation and unification of a 3D reference coordinate system was provided.

Key words: cone beam computed tomography, three-dimensional cephalometric measurement, reference coordinate system

CLC Number: 

  • R783.5

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