乳前牙反是儿童较严重的一种牙畸形 ,既影响咀嚼和美观 ,又可影响牙颌发育 ,应进行早期防治。个别乳前牙反者较少 ,临床上常见的是多数乳前牙反。笔者收集了 1 995年以来 ,我院口腔科矫治的乳前牙反患儿共 78例 ,并进行回顾性分析。现报告如下。1　临床资料与方法1 . Anterior crossbite is a more severe type of tooth deformity in children, affecting both chewing and aesthetics, but also affect the development of the jaw and jaw. Early prevention and treatment should be carried out. Individual milk anterior trochanter less common clinically most of the milk before the reaction. The author collected since 1995, our hospital dental treatment of anterior tinea capitis children with a total of 78 cases, and a retrospective analysis. The report is as follows. 1 clinical data and methods 1.