Objective: To study the characteristics and differences of patients＇ cervical vertebrae posture with different vertical facial types in order to provide references for obtaining better clinical results through orthodontic treatment as well as the research of the growth of craniofacial structure and cervical vertebrae. Methods: Lateral cephalometric radiographs at natural head posture of 226 children and adults with different vertical facial types were retrospectively investigately by computerized cephalometric analysis, cervical vertebrae posture of children and adults was compared among different vertical facial type groups separately. Results: Children: there were no statistical differences in CVT-OPT, SN-CP, SN-OPT and SN-CVT among low-angle face group, average-angle face group and high-angle face group. Adults: there were statistical differences in CVT-OPT between the low and high-angle face group and between the average and high-angle face group, the CVT-OPT in high-angle face group decreased significantly than that in low-angle face group and in average-angle face group, there were no statistical differences in CVT-OPT between the Iow and average-angle face group; there were statistical differences in SN-CP among three groups, low-angle face group＜average-angle face group＜high-angle face group; there were statistical differences in SN-OPT and SN-CVT between the low and high-angle face group, low-angle face group展开▼
