Barnett D P
Br J Orthod. 1983 Oct;10(4):211-2. doi: 10.1179/bjo.10.4.211.
A modification to appliance design is described to allow total distal movement of the upper arch and a case report presented to illustrate its use.
本文描述了一种矫治器设计的改良方法,以实现上牙弓的完全远中移动,并通过一个病例报告来说明其应用。