4Guilherme J,Fabricio PV,Jose Fc,ei al. Stability of anterior open-bite nonextraction treatment in the permanent dentition [ J ]. Am JOrthod Dentofacial Orthod,2003,124(3) :265 -276.
5Kim YH. The versaticity and effectiveness of the multiloop edge-wise archwire (ME AW) in treatment of various malocclusion [J].World J Orthod,2001,2(3) :208 -218.