@article{CHOI Yu-hsin:543, author = {[CHOI Yu-hsin, WU Jian-yong, YANG Xin]}, title = {Causes of impacted maxillary incisors and progresses in orthodontic treatment}, publisher = {Journal of Shanghai Jiao Tong University (Medical Science)}, year = {2020}, journal = {Journal of Shanghai Jiao Tong University (Medical Science)}, volume = {40}, number = {4}, eid = {543}, pages = {543-}, keywords = {maxillary incisors;impacted tooth;closed eruption technique;open eruption technique;traction;treatment}, doi = https://xuebao.shsmu.edu.cn/EN/10.3969/j.issn.1674-8115.2020.04.022 }