联体分牙簧的制作及应用王学侠固定正畸技术常需分离后牙制作支抗带环以支持弓丝和提供较大的支抗力。目前常用的分牙方法有：铜丝结扎法、分牙簧或橡皮圈分牙法等。笔者在工作中设计一种联体分牙簧，经临床使用效果良好。现介绍如下。在模型上修整需分离的牙齿（一般为第... The production and application of conjoined partial tangshi Wang Xuexia Fixed orthodontic technique often requires the separation of the posterior teeth to make the cuff to support the archwire and provide greater supportive force. At present, the commonly used method of splitting teeth are: copper ligation method, sub-tooth or rubber band sub-tooth method. The author in the work of designing a kind of conjoined partial Tooth Springs, the clinical use of good results. Now introduced as follows. Trimming the teeth to be separated on the model (usually the first ...