结论应该按照性别和年龄的不同建立舌骨位置的正常参考值。
Conclusions We should establish the normal values of hyoid position by gender and age.
结论：替牙期不同垂直骨面型儿童上气道形态，舌骨位置存在差异。
Conclusion: in mixed dentition, there had statistical differences in upper airway form and hyoid position in children with different vertical facial types.
结果男、女性之间舌骨位置均存在性别差异，男性较女性舌骨位置偏下偏前。
Results There was statistical difference in hyoid position between genders. Hyoid of male was positioned more anterior-inferiorly than that of female.
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