The accurate positions of a wholly impacted supernumerary teeth in bone was ( obtained) based on the measured distances of image between the tooth and the tissues around by the ruler on SCT. 根据CT标尺测量图像与周围结构关系的距离,以确定骨埋伏多生牙的确切位置。
The study of X-ray location method of the embedded supernumerary teeth in fore alveolar bone of maxilla of children 儿童上颌前部埋伏多生牙X线片定位方法的探讨