牙列拥挤是临床上常见的错畸形,其矫治方法很多,本文通过应用Begg细丝弓矫正器,充分发挥带垂直曲细丝弓加颌内轻牵引能有效保持后牙支抗,同时使尖牙较快向远中移动的优点,矫治37例牙列拥挤,特别是中度或重度拥挤及成年患者,效果令人满意,现报告如下:临床资料1.　病例:本组37 Dental crowding is clinically common malformation deformity, and its correction methods are many, this article through the application of Begg thin wire arch braces, give full play with vertical curved arch plus jaw light traction can effectively maintain the posterior teeth support, while Canine teeth moved faster to move the advantages of correction of 37 cases of crowding crowns, especially moderate or severe congestion and adult patients, the results are satisfactory, are as follows: Clinical data 1 cases: the group 37