Department of Orthodontics, University of North Carolina School of Dentistry, Chapel Hill, NC

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC

Emeritus professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC

Kenan distinguished professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC

Kenan Distinguished Professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC.

Department of Orthodontics, University of North Carolina School of Dentistry, Chapel Hill, North Carolina, USA.

Kenan Distinguished Professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC

Department of Orthodontics, University of North Carolina School of Dentistry

University of North Carolina at Chapel Hill, Chapel Hill, USA

Professor, Department of Dentistry-1, Federal University of Maranhão, Maranhão, Brazil

PhD Student, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC

Department of Orthodontics, University of North Carolina, School of Dentistry, Chapel Hill, North Carolina, United States

Robert W. Browne Endowed Professor and Chair, Department of Orthodontics and Pediatric Dentistry, Program Director of Graduate Orthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan

Chapel Hill and Pittsboro, NC

UConn Orthodontic Alumni Endowed Chair, Professor and Head, Department of Craniofacial Sciences, Chair, Division of Orthodontics, School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut

Bryn Mawr, Pa, Chapel Hill, NC

Kenan professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC.

Kenan professor, Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill.

Departments of Orthodontics and Oral and Maxillofacial Surgery, School of Dentistry, University of North Carolina, Chapel Hill, NC 27599-7450, USA

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, USA.

University of North Carolina at Chapel Hill

Department of Orthodontics, University of North Carolina School of Dentistry, Chapel Hill, USA

aPhD program in Oral Biology, Dental Research Center, University of North Carolina School of Dentistry, Chapel Hill; Department of Orthodontics, Methodist University of São Paulo, São Bernardo, Brazil

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill. Chapel Hill, NC

private practice, Birmingham, AL, USA

São Paulo, Brazil, and Chapel Hill, NC

Reprint requests: William R. Proffit, DDS, PhD, Orthodontics Department, University of North Carolina School of Dentistry, Chapel Hill, NC 27S99-7450

Orthodontics Department, University of North Carolina School of Dentistry, Chapel Hill, NC 27599-7450, USA.

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC, 27599-7450, USA

Department of Orthodontics, University of North Carolina, School of Dentistry, Chapel Hill 27599-7450, USA.

Chapel Hill, N.C

University of North Carolina, Chapel Hill, N.C., USA

Department of Orthodontics, University of North Carolina, School of Dentistry, Chapel Hill 27599-7450, USA.

Department of Orthodontics, University of North Carolina School of Dentistry, Chapel Hill 27599-7450, USA.

University of North Carolina, Chapel Hill, NC, USA

Bristol, England, and Chapel Hill, N.C

The University of North Carolina at Chapel Hill, Chapel Hill, NC USA

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill 27599-7450.

Chaptel Hill, N.C., USA

University of North Carolina, School of Dentistry, Chapel Hill, NC 27599.

Turku, Finland

Chapel Hill, N.C., USA

University of North Carolina, School of Dentistry, Chapel Hill 27599-7450.

University of North Carolina School of Dentistry, Chapel Hill.

Department of Orthodontics, USA

School of Dentistry, University of North Carolina, Chapel Hill, USA

From the University of North Carolina at Chapel Hill, School of Dentistry, Chapel Hill, Raleigh and Lincolnton, N.C., USA

Department of Orthodontics and Oral, USA

Dept. of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27514, USA

Department of Orthodontics University of North Carolina School of Dentistry Chapel Hill, NC 27514 USA

Dr. Proffit is professor and chairman department of orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27514.

From the Department of Orthodontics, University of North Carolina School of Dentistry Chapel Hill, N. C., U.S.A.

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27514, U.S.A.

From the Departments of Orthodontics, Oral and Maxillofacial Surgery, and Periodontics, School of Dentistry, University of North Carolina Chapel Hill, N. C., USA

From the Departments of Orthodontics and Oral and Maxillofacial Surgery, School of Dentistry, University of North Carolina Chapel Hill, N. C., USA

Chapel Hill, N.C.

Division of Speech Pathology and Audiology, University of Nebraska, Lincoln, Nebr. and College of Dentistry, University of Florida, Gainesville, Fla.

From the Department of Oral Surgery, School of Dentistry, Virginia Commonwealth University Richmond, Va., USA

University of Kentucky, Lexington, Kentucky

Department of Orthodontics, University of Kentucky, College of Dentistry, Lexington, Kentucky 40506, U.S.A.

Doctor Proffit is chairman, department of orthodontics, College of Dentistry, University of Kentucky, Lexington, Ky 40503.