Presented before the North Atlantic Component of the Edward H. Angle Society, May, 1978.

Presented at the North Atlantic Component meeting of the Angle Society, May, 1978.

Presented to the North Atlantic Component of the Edward H. Angle Society, May 1978.

From the Departments of Orthodontics and Dental Materials, Loyola University School of Dentistry, Maywood, Illinois.

Abstracts from a thesis presented in partial fulfillment of the requirements for the degree, Master of Science, The Ohio State University, 1976.

Presented to the Eastern Component of the Edward H. Angle Society of Orthodontics in March, 1978.

From the Department of Orthodontics, Loma Linda University.

From the Departments of Orthodontics and of Stomatognathic Physiology and EMG-laboratory, Faculty of Odontology, University of Göteborg, Sweden.

This investigation received partial support from Grant DE3343-01 through -03, National Institute of Dental Research, and Grant-HD00157-01 through -15, National Institute of Child Health and Human Development.