Abstract
Comparison of lateral cephalometric radiographs of treatment and control groups finds the changes achieved with a modified functional regulator are limited to improvement in dental and lip relations. No effects are found on mandibular growth or position in relation to the profile.
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Author notes
Sydney Haynes is a Consultant Orthodontist, Lothian Health Board, and Honorary Senior Lecturer in Orthodontics at the University of Edinburgh. He holds a Basic Dental Degree from the University of Leeds, F.D.S. R.C.S. (Royal College of Surgeons of England and Royal College of Surgeons of Scotland), and Diploma in Orthodontics from the Royal College of Surgeons (England)
Edward H. Angle Society of Orthodontists
1986