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目的:探讨乳前牙反与恒前牙反、磨牙关系及类骨面畸形的关系。方法:对102例口腔社区调查中诊断为乳前牙反的儿童,6年后进行追踪调查。以同期调查中无乳前牙反及恒前牙反的102名儿童作为对照,进行牙颌发育情况的检查。结果:乳前牙反组102例中,51例(50.0%)为恒前牙反。与个别乳前牙反组相比,多个相邻乳前牙反组演变为恒前牙反的危险度比值比为6.8(95%可信限2.7～17.6),达到统计学显著水平。且多个乳前牙反组类错及骨面畸形的罹患率均明显高于对照组及个别前牙反组。结论:多个乳前牙反,尤其是多个相邻乳前牙反应是临床矫治工作的重点。
Objective: To investigate the relationship between anterior crossbite of anterior teeth and the anterior crossbite, molar relationship and osteoid deformity. Methods: A total of 102 children diagnosed as having anterior deciduous teeth in an oral community survey were followed up 6 years later. In the same period, 102 children who had no milk anterior crossbite and constant anterior crossbite were taken as control to examine the development of dentition. Results: Among the 102 cases of anterior group of anterior teeth, 51 cases (50.0%) were anterior anterior crossbite. The risk odds ratio of multiple anterior rectus femoris invertebrates was 6.8 (95% confidence interval 2.7 to 17.6), which was statistically significant compared with individual anterior rectum females Level. And a number of anterior skeletal group misdiagnosis and bone deformity attack rates were significantly higher than the control group and individual anterior teeth group. Conclusion: A large number of anterior crossbite, especially the adjacent anterior rectus nipples should be the focus of clinical work.