橡圈分牙的临床运用杨亚雄运用固定正畸矫治技术安放磨牙带环前，需对磨牙进行分牙。现一般有铜丝分牙、分牙簧分牙及橡皮圈分牙等方法。作者在临床操作中对比使用，用Ｕｎｉｔｅｋ公司型橡皮圈分牙取得了较好效果。橡圈分牙与另两种方法相比，优点在于：１．较安全舒适。... Clinical application of rubber sub-teeth Yang Ya-xiong Fixed orthodontics orthodontic technique before placing the molar ring, the need for molar teeth. There are generally copper wire points, sub-tooth spring and rubber band sub-teeth and other methods. The authors compared the use of clinical practice, with Unitek company rubber band sub-teeth achieved good results. Compared with the other two methods of rubber teething, the advantages are: 1. More safe and comfortable. ...