研究表明[1],不同种族、民族、地区人群存在牙、颅颌形态总体差异,甚至同一民族不同地域人群,其面型也存在差异。中国汉族人群由北向南逐渐呈现凸面型形态特征已被国内外许多学者证实[2,3]。因此,建立新疆本地区汉族人群头影测量数据体系并分析其颅颌形态特征对临床指导非常 Studies have shown that [1] there is a general difference in dental morphology and cranial jaw among people of different races, ethnic groups and regions, even in different ethnic groups in the same ethnic group. The Chinese Han population gradually presents convex morphology from north to south has been confirmed by many scholars at home and abroad [2,3]. Therefore, the establishment of the Han population in Xinjiang region cephalometric data system and analysis of the craniofacial morphology of clinical guidance is very