3D形态学分析:非拔牙固定矫治中上颌中切牙与切牙管关系及牙根吸收的研究 作者: Remsh Khaled Al-Rokhami1,2, Hongzheng Gu1, Xiaobao Dang1, Zhihua Li2, Sadam Ahmed Elayah3, Xing Zhao1, Karim A