Abstract:

Primary teeth trauma is a common emergency disease in children. Compared with permanent teeth， it is special to make diagnosis and treatment. Moreover， its diagnosis and treatment are still lack of standardization. Combined with international dental trauma guidelines in 2012，we present the concept，classification，clinical features，and emergency treatment principle of all kinds of primary teeth trauma in order to offer a reference for the diagnosis and treatment of primary teeth trauma.

Key words: primary teeth trauma, guideline, dental emergency

摘要：

乳牙外伤是儿童口腔急诊的常见病，与恒牙外伤相比，其处理存在特殊性，且国内在其诊疗方面存在不规范等问题。文章参考2012年国际牙外伤协会指南，全面系统地阐述乳牙外伤的概念、分类、临床特征以及各类型乳牙外伤的应急处理原则，为乳牙外伤的诊疗提供参考 。

关键词: 乳牙外伤, 指南, 口腔急诊