Objective To study the cephalometric radiograph of Dongxiang adults with normal occlusion in Gansu province. Methods Lateral cephalometric radiographs of 200 Dongxiang adults with normal occlusion were measured by Dolphin Imaging software. Then SPSS 10.0 software package, along with Tweed and Steiner analysis, was employed to do statistics analysis on the results. Results The standard value and standard deviation of the lateral cephalometric radiographs of Dongxiang adults with normal occlusion in Gansu province was obtained, with differences between different genders. Conclusion It is necessary to set up a database of normal occlusion for Dongxiang people in Gansu province, which will be helpful for the diagnosis and treatment of malocclusion among local patients.
