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本实验的目的是从临床学，影像学、组织学的角度来评价口内非牙支抗式的粘膜下的改良式矫治器对微型猪下颌骨的离断扩展效应。这种矫治器是在螺旋扩大器的两侧焊接不锈钢翼，每个翼上有两个用于固定的栓钉孔。使用时用栓钉将此矫治器固定于骨或骨皮质断端的两侧。在三只生...
The purpose of this experiment was to evaluate the effect of non-dentinal submucosal modified appliance on the segmental expansion of miniature pig mandible from the perspectives of clinical science, radiology and histology. This appliance is made by welding stainless steel wings on both sides of the spiral expander with two peg holes for fixation on each wing. Use the nail to fix the appliance on both sides of the bone or cortical bone. In three students ...