Moderate differences in the hardness of diet are related to significant differences in maxillary width and other measures of facial size. Probably even more important is a relationship to the coordination of Growth of different parts of the dentofacial complex. Muscular stimulation mediated through occlusal function seems to play a significant role in the coordinated development of facial structures.
Dr. Beecher is Assistant Professor, Department of Anatomy at Wright State University in Dayton, Ohio. He is a graduate of the University of Virginia, and holds a Ph.D. degree in anthropology from Duke University
Dr. Corruccini is Assistant Professor, Department of Anthropology, Southern Illinois University in Carbondale. He is a graduate of the University of Colorado, and holds a Ph.D. degree in anthropology and paleontology from the University of California at Berkeley