1. Private Practice, Oklahoma City, OK.
2. Professor and Chairman, Department of Prosthodontics, University of Florida College of Dentistry, Gainsville, FL.
3. Private Practice, Montclair, NJ.
4. Private Practice, Reno, NV, and Associate Clinical Professor, Department of Restorative Dentistry, University of the Pacific, Stockton, CA.
5. Associate Professor, Department of Clinical Surgery, University of Chicago, Chicago, IL.
6. Clinical Associate Professor, Department of Restorative Dentistry, University of California‐San Francisco School of Dentistry, San Francsico, CA, and Private Practice, Palo Alto, CA.
7. Professor and Associate Dean of Academic Affairs, Tufts University School of Dental Medicine and Private Practice, Boston, MA.