Dental trauma may occur during orthodontic treatment, which often affect the treatment outcome, and sometimes change of the treatment plan is needed. The problem is troublesome for orthodontists. In this article, we reported a successful treatment in a patient with class II division 1 malocclusion who suffered from incisor trauma during orthodontic treatment. Meanwhile, the problems resulting from traumatized teeth in orthodontic treatment and the principles for their management were also discussed. Hopefully, the information will be useful for the orthodontists in treating the traumatized teeth in orthodontic practice.