上海地区正常成人牙颌面结构研究——Ⅰ颅面结构后前位X线头影测量分析

A Study On Dental and Cranioficial Structure Of Normal Shanghai Adults Occlusion—Ⅰ The Craniofacial Structure Analysis with Posterioanterior Cephalometric Roentgenography

目的 研究上海地区正常牙合成人颅面横向结构的特点 ,并确定后前位X线头影测量的正常值范围。方法 运用JOE计算机正畸评价系统 ,对 92名正常牙合成人X线头颅后前位片进行测量分析。结果 建立了上海地区正常牙合成人后前位X线头影测量正常值范围。上海地区正常牙合成人牙颌面宽距存在相关性 ,但男女无差异 ,磨牙覆盖男性大于女性。结论 上海地区正常牙合成人颅面横向结构有其地区特点 ,确定的正常值可为错牙合畸形病人的诊治提供依据。

Objective To evaluate the characteristics of normal transverse craniofacial structure in Shanghai area and to establish the database of normal Shanghai adults occlusion for posterioanterior cephalometric roentgenography. Methods Posterioanterior cephalometric of the 92 adults subjects with normal occlusion were measured and analysed by Jiffy orthodontic evaluation 5.0 software package.Results The database of normal Shanghai adults occlusion for posterioanterior cephalometric roentgenography was established. Transverse measurements were intercorrelated, no statistically significant gender differences were demonstrated in craniofacial width, while the molar overjet of male was larger than that of female.Conclusion The normal transverse cranioficial structure in Shanghai area has its own characteristics. The established database would provide a foundation for the diagnosis and treatment of malocclusion.