Abstract: Pain is one of the most common symptoms during orthodontic tooth movement. Many studies have shown that pain has become one of the most important reasons for the interruption of orthodontic treatment. With the increase of patients' comfort requirements, how to monitor orthodontic pain and how to reduce the pain during orthodontic treatment has become the focus of orthodontic researchers. In this paper, the characteristics of pain during orthodontic treatment and the methods of controlling pain caused by orthodontics are reviewed.

Key words: orthodontic treatment, pain, treatment of pain