...业论文 ted tomography, CBCT)在上颌阻生尖牙白勺三维定位及邻近切牙根吸收诊断中白勺应用,评价曲面体层片(panoramic tomography, PTG)对上颌阻生尖牙诊断白勺有效性。方法：1.
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The sagittal inclinations to the palatal plane of the first and second maxillary molars were measured on panoramic tomography.
在曲面断层片上分别测量上颌第一和第二磨牙与腭平面所成的角度。
Methods Fifty-nine patients with impacted tooth were taken transverse tomography by SIEMENS panoramic machine.
方法对59例上颌前部埋伏牙患者，通过SIEMENS全景机拍摄横断体层片。
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