McCullough S
University of Oklahoma, College of Dentistry, Yukon.
Am J Orthod Dentofacial Orthop. 1994 Sep;106(3):317-21. doi: 10.1016/S0889-5406(94)70052-4.
The treatment of an Angle Class II, Division I malocclusion without the extraction of premolars is described. Treatment was accomplished with the standard edgewise appliance using Merrifield directional forces systems.