[摘要]目的：研制一种矫治乳前牙反牙合的下颌全牙弓联冠牙合垫附斜面导板矫治器，用于因乳牙冠短小或依从性不良患者乳前牙牙性、功能性和轻度骨性反牙合畸形，以提高临床效果。方法：病例纳入标准为乳牙期因哺乳姿势不当、不良习惯、乳尖牙磨耗不足及遗传等造成的乳前牙牙性、功能性和轻度骨性反牙合畸形患者，共有23例佩戴研制的下颌全牙弓联冠牙合垫斜面导板矫治器10个月，拍前后头颅定位侧位片，并用Steiner和Tweed方法分析测量前后X线测量数据，并用SPSS 18.0软件配对t检验统计学处理。结果：SNA（°）、U1-NA （°）与前相比，差异具有统计学意义（P
[关键词]AngleⅢ类；乳前牙牙性；功能性和轻度骨性反牙合下颌联冠牙合垫附斜面导板矫治器；制作与应用
[中图分类号]R783.5 [文献标志码]A [文章编号]1008-6455（2018）07-0057-04
Abstract： Objective To develop an orthodontic appliance for the treatment of anterior crossbite in anterior deciduous teeth李湘资料， functional and mild skeletal deformity in patients with short laced crown or patients with poor compliance in order to improve clinical results. Methods The cases were included in the patients with anterior deciduous tooth， functional and mild skeletal deformity caused by improper lactation posture， bad habit， inadequacy of abutment wear and heredity， and 23 patients were worn for 10 months， and the head position before and after treatment was taken. Steiner and Tweed methods were used to analyze and measure X ray data before and after treatment. SPSS 18.0 software was used to match t test and statistical analysis. Results They had significant statistical significance P
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