Methods Following a com prehensive oral examination and precise measurement by SCT,the shape of the basa l alveolar bone of the planed implant area was transferred onto the plaster sect ional model.

• 方法在口腔检查和螺旋CT(SCT)准确测量、定位的基础上,将拟植入区的牙槽骨和基骨的形态准确地转移到石膏模型断面上,然后,在“牙槽骨和基骨”的范围内设计种植体的位置和方向,从而达到准确定位的目的。