在正畸门诊中,乳牙错的矫正已经成为门诊治疗的一部分重要内容,日益受到患儿家长的重视。在这一时期也正是身体发育的高峰期和性格行为的形成期,错会在较大程度上影响其身心的发育。本次调查旨在了解乳牙列错畸形的发病原因,为临床治疗提供一定的帮助。1资料与方法1.1一 In orthodontic clinics, the correction of deciduous teeth has become an important part of outpatient treatment and is increasingly valued by parents of children. During this period, it is also the period of the peak of physical development and the formation of the character’s behavior. The error will affect its physical and mental development to a large extent. The purpose of this survey is to understand the causes of malformations of the deciduous teeth and provide some help for clinical treatment. 1 materials and methods 1.1 one