Authors
A.S. Cayley
LDS, BDS, MSc, MDS, MOrth, Orrhodontic Department, Perth Dental Hospital, Australia
A.P. Tindall
BDS, MDS(Adel), Specialist practice, Orthodoncics, Adelaide, Australia
W.J. Sampson
BDS, BSc DENT(Hons), MDS (Adel), P. R. Begg Chait in Orrhodontics, Univetsity of Adelaide, Australia
A.R. Butcher
MA(Hons), MPhil, DrPhil, Chair and Head, Department of Speech Pathology, Flinders University, Australia