儿童混合牙列时期,新生恒前牙或牙槽骨外伤固定比较困难,因此易造成儿童恒前牙过早缺失,义齿修复也有困难,影响儿童的牙颌系统的正常生长发育。几年来,我们对于采用常规牙弓夹板有困难的外伤患儿设计并应用了几种新型的牙弓夹板,取得良好 During the period of mixed dentition in children, it is difficult to fix newborn permanent anterior teeth or alveolar bone trauma, so it is easy to cause premature loss of permanent teeth in children and denture repair, which affects the normal growth and development of children's dental system. In recent years, we have designed and implemented several new types of dental splints for children with traumatic problems who have difficulty with conventional dental arch splints and achieved good results