Methods X-ray dental film and panoramic pantomogram were used to determine the location of embedded supernumerary teeth on bases of the geometrical principle of X-xay photography.
方法通过拍X片及全景片,结合临床检查,利用X射照相中的几何学原理确定多的置,以确定手术入路,然后拔除。
Methods X-ray dental film and panoramic pantomogram were used to determine the location of embedded supernumerary teeth on bases of the geometrical principle of X-xay photography.
方法通过拍X片及全景片,结合临床检查,利用X射照相中的几何学原理确定多的置,以确定手术入路,然后拔除。
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