中国人与白种人、日本人正常牙齿形态的比较研究

Comparison of tooth profile in Chinese, Caucasian and Japanese with normal occlusion

目的 :比较中国人与白种人、日本人正常牙合数据 ,为临床应用直丝弓矫治器提供参考。方法 :选择中国人正常牙合数据中的轴倾度、转矩和冠凸矩分别与白种人、日本人正常牙合数据进行比较分析。结果 :中国人正常牙合牙齿形态与白种人有显著的差异 ,而与日本人大致相似 ,但也有一定差别。结论 :临床使用无论是基于白种人或日本人正常牙合数据的直丝弓矫治器时 。

Objective: To study the difference in tooth profile among Chinese,Caucasian and Japanese with normal occlusion.Methods: The data of the measurments of Chinese,Caucasian and Japanese with normal occlusion were collected from published studies.Crown angulation,crown inclination and crown convex were used in the comparation among the peoples. Results: Tooth profile in Chinese was significantly different from that of Caucasian but was similar to that of Japanese. Conclusion: The orthodontic appliances should be modified when we use the straight wire appliances that is suitable for Caucasian and Japanese.