目的：观察隧道开放式模板在牙种植手术中的作用。
PURPOSE: To observe the effect of orbital dental template with part-opening channels used in dental implant surgery.
在模板指导下，于猪下颌骨的无牙区预备种植窝，总计8个。
Under the guidance of the template in edentulate area of pig jaws, amounting to prepare planting 8 holes.
方法采用透明牙合托作标记制作放射模板，以多层螺旋CT（MSCT）对猪颅骨定位扫描并重建。
Methods The transparent radiographic templates were made in order to assist MSCT to scan two pigs'skulls locatively.
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