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本研究目的是扫描电镜(SLM)观察人类恒牙根尖区,明确:①主根尖孔数照及大小,②它与解剖学根尖部距离,③副根尖孔的有无及大小。
The aim of this study is to observe the apical region of human permanent teeth by scanning electron microscopy (SLM), and to make clear: ① the number and size of the main apical foramen, ② the distance between it and the root tip of the anatomy, and the presence and size of the apical apical foramen.