Histological changes of tooth root and periodontal tissue during mini-implant anchorage for incisor intrusion in dogs
Ge Zhen-lin, Lu Jia-jing, Qi Tao, Tian Jia-ling, Yang Cai-xia
Chinese Journal of Tissue Engineering Research . 2011, (9): 1531 -1535 .  DOI: 10.3969/j.issn.1673-8225.2011.09.004