Michael A Webb1, Frank E Cordray2, P Emile Rossouw3. 1. Private Practice of Orthodontics in Charlotte, NC. 2. School of Dentistry, Ohio State, University, Columbus, OH; Private Practice of Orthodontics at Cordray Orthodontics, 96 Northwoods Blvd., Columbus, OH 43235. cordrayortho@aol.com. 3. Department of Orthodontics and Dentofacial Orthopedics, Eastman Institute for Oral Health, University of Rochester, Rochester, NY.