4Costa A, Raffainl M, Melsen B. Miniscrews as orthodontic anchorage: a preliminary report. Int J Adult Orthodon Orthognath Surg, 1998,13 (3):201-209.
5Park HS, Bae SM, Kyung HM, et al. Micro-implant anchorage for treatment of skeletal Class Ⅰ bialveolar protrusion. J Clin Orthod, 2001,35 (7) : 417-422.
6Upadhyay M, Yadav S, Nagaraj K, et al. Dentoskeletal and soft tissue effects of mini-implants in Class Ⅱ division 1 patients. Angle Orthod, 2009,79(2) :240-247.
7Yao CC, Lai EH, Chang JZ, etal. Comparison of treatment outcomes between skeletal anchorage and extraoral anchorage in adults with maxillary dentoalveolar protrusion. Am J Orthod Dentofacial Orthop, 2008,134 (5) : 615 - 624.
8Koyama I, Iino S, Abe Y, et ak Differences between sliding mechanics with implant anchorage and straight-pull headgear andintermaxillary elastics in adults with bimaxillary protrusion. Eur J Orthod,2011,33(2) : 126-131.
9Liu YH, Ding WH, Liu J, et al. Comparison of the differences in cephalometric parameters after active orthodontic treatment applying mini-screw implants or transpalatal arches in adult patients with bialveolar dental protrusion. J Oral Rehabil, 2009,36 (9) : 687-695.
10Upadhyay M, Yadav S, Patil S. Mini-implant anchorage for en-masse retraction of maxillary anterior teeth: a clinical cephalometric study. Am J Orthod Dentofacial Orthop, 2008, 134 (6) : 803-810.
