›› 2021, Vol. 41 ›› Issue (9): 797-804.

• Clinical Research • Previous Articles     Next Articles

Establishment of 127 indexes of permanent dentition cephalometric norm

  

  • Received:2021-03-01 Revised:2021-04-05 Online:2021-09-28 Published:2021-09-23

Abstract: Objective To analyze the difference of the permanent dentition cephalometric norm in different genders and ages, and to discuss the measurement error of two-dimensional cephalometric analysis. Methods Samples of permanent dentition with normal occlusion were collected and screened, and the lateral cephalogram of each sample was analyzed by Uceph software, including 58 landmarks and 127 measurements. Results A total of 168 samples aged from 11 to 30 were included in this study. 42.5% and 27.6% of the cephalometric measurements of adolescents and young adults had gender differences, respectively (P<0.05). The average intra-class correlation coefficient (ICC) was 0.911. Conclusion The cephalometric norm established in this study is reliable and can be used for clinical diagnosis, treatment design and effect evaluation of orthodontic patients. There are some differences in cephalometric measurements between males and females, adolescents and young adults, and thus corresponding normal values should be adjusted in orthodontic clinic.

Key words: Cephalometric measurement, norm, consistency test

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