Samuel W. Oglesby, DDS, MA, is associate professor of Clinical Dentistry, director of the Endodontic Clinics, and director of Predoctoral Endodontics, Division of Surgical, Therapeutic and Bioengineering Sciences, University of Southern California School of Dentistry, Los Angeles. He is educationally qualified for the American Board of Endodontics and also for the American Board of Orofacial Pain. He taught part-time for 20 years while maintaining a full-time endodontic practice and was a general dentist for 4 years prior to specialization. He is a member and past president of both the California State Association of Endodontists and the Southern California Association of Endodontists. Oglesby has received a number of awards including election to Omicron Kappa Upsilon, the national dental honor society. He has lectured locally as well as internationally and is published in the dental literature.