Orthodontics in 3 millennia. Chapter 4: the professionalization of orthodontics (concluded).

Angle's legacy was assured when his disciples, both in the United States and abroad, boarded the joiners' bandwagon. The first 2 cornerstones of the professional pyramid were laid (education and organization), and the specialty began to pour the third cornerstone: orthodontic literature. Anthropologists, anatomists, histologists, and health professionals laid the foundation for the study of craniofacial growth.