本组收集了22例螺旋扫描的颌骨病变进行三维重建，评估其在临床中的应用价值。
The three-dimensional reconstruction ct of 22 cases with the jaw bone diseases and injuries by spiral scan had been collected.
材料和方法：对25例颌骨病变进行常规X线、CT及三维ct表现与手术病理相对照。
Materials and Methods: To compare the signs of routine X-ray film, 2d-ct and 3d-ct with operative and pathological findings in 25 cases.
方法30例牙与颌骨病变患者分别经口内牙片，口腔全景片，CT平扫及螺旋CT三维重建诊断。
Methods 30 cases examined by radiography ct plain scan and spiral ct 3d reconstruction for pathological changes of jawbone and whole mouth.
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