上下颌连体式扩弓矫治器是增加骨量的一种活动矫治器,具有同步扩张上下牙弓,保持(牙合)关系不变的优点,简称连体扩弓器。 一、矫治器的制作与戴用 1.用弹性打样膏取上、下颌工作印模,灌注成石膏模型后上简单(牙合)架。 2.弯制固位体和分裂簧,笔者选用的固位体有两对邻间钩,一对单臂卡环以及双 Upper and lower jaw Siamese augmentation appliance is to increase the amount of bone an active appliance, with simultaneous expansion of the upper and lower dental arch, to maintain the (occlusion) the same advantages, referred to as Siameisuanzao. First, the appliance production and wearing 1. With elastic proofing paste to take on the mandibular work impression, perfusion into a plaster model after the simple (occlusion) frame. 2. Bending retainer and split spring, the retainer I have two pairs of adjacent hooks, a pair of single-arm snap ring and double