Meta analysis of micro-screw implant anchorage and extra-oral anchorage in the perioperatively orthodontic treatment for maxillary or bimaxillary protrusion

Yue Shi-chao1, Du Yue-hua1, Tang Xiao-jun2, Ren Yuan-shu1, Qin Pu1, Wang Mao-qing1, Li Xiao-xia1, Deng Jia-shu1, Liu Xun1

Chinese Journal of Tissue Engineering Research . 2012, (21): 3881 -3885 . DOI: 10.3969/j.issn.1673-8225.2012.21.019